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 <div class="subTitle">org.apache.hadoop.conf</div>
 <h2 title="Class Configuration" class="title">Class Configuration</h2>
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Stable
 public class <span class="typeNameLabel">Configuration</span>
 extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
 implements <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;, <a href="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></pre>
 <div class="block">Provides access to configuration parameters.

  <h3 id="Resources">Resources</h3>

  <p>Configurations are specified by resources. A resource contains a set of
  name/value pairs as XML data. Each resource is named by either a
  <code>String</code> or by a <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><code>Path</code></a>. If named by a <code>String</code>,
  then the classpath is examined for a file with that name.  If named by a
  <code>Path</code>, then the local filesystem is examined directly, without
  referring to the classpath.

  <p>Unless explicitly turned off, Hadoop by default specifies two
  resources, loaded in-order from the classpath: <ol>
  <li><tt>
  <a href="../../../../../hadoop-project-dist/hadoop-common/core-default.xml">
  core-default.xml</a></tt>: Read-only defaults for hadoop.</li>
  <li><tt>core-site.xml</tt>: Site-specific configuration for a given hadoop
  installation.</li>
  </ol>
  Applications may add additional resources, which are loaded
  subsequent to these resources in the order they are added.

  <h4 id="FinalParams">Final Parameters</h4>

  <p>Configuration parameters may be declared <i>final</i>.
  Once a resource declares a value final, no subsequently-loaded
  resource can alter that value.
  For example, one might define a final parameter with:
  <pre><code>
   &lt;property&gt;
     &lt;name&gt;dfs.hosts.include&lt;/name&gt;
     &lt;value&gt;/etc/hadoop/conf/hosts.include&lt;/value&gt;
     <b>&lt;final&gt;true&lt;/final&gt;</b>
   &lt;/property&gt;</code></pre>

  Administrators typically define parameters as final in
  <tt>core-site.xml</tt> for values that user applications may not alter.

  <h4 id="VariableExpansion">Variable Expansion</h4>

  <p>Value strings are first processed for <i>variable expansion</i>. The
  available properties are:<ol>
  <li>Other properties defined in this Configuration; and, if a name is
  undefined here,</li>
  <li>Environment variables in <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/System.html?is-external=true#getenv--" title="class or interface in java.lang"><code>System.getenv()</code></a> if a name starts with
  "env.", or</li>
  <li>Properties in <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/System.html?is-external=true#getProperties--" title="class or interface in java.lang"><code>System.getProperties()</code></a>.</li>
  </ol>

  <p>For example, if a configuration resource contains the following property
  definitions:
  <pre><code>
   &lt;property&gt;
     &lt;name&gt;basedir&lt;/name&gt;
     &lt;value&gt;/user/${<i>user.name</i>}&lt;/value&gt;
   &lt;/property&gt;

   &lt;property&gt;
     &lt;name&gt;tempdir&lt;/name&gt;
     &lt;value&gt;${<i>basedir</i>}/tmp&lt;/value&gt;
   &lt;/property&gt;

   &lt;property&gt;
     &lt;name&gt;otherdir&lt;/name&gt;
     &lt;value&gt;${<i>env.BASE_DIR</i>}/other&lt;/value&gt;
   &lt;/property&gt;
   </code></pre>

  <p>When <tt>conf.get("tempdir")</tt> is called, then <tt>${<i>basedir</i>}</tt>
  will be resolved to another property in this Configuration, while
  <tt>${<i>user.name</i>}</tt> would then ordinarily be resolved to the value
  of the System property with that name.
  <p>When <tt>conf.get("otherdir")</tt> is called, then <tt>${<i>env.BASE_DIR</i>}</tt>
  will be resolved to the value of the <tt>${<i>BASE_DIR</i>}</tt> environment variable.
  It supports <tt>${<i>env.NAME:-default</i>}</tt> and <tt>${<i>env.NAME-default</i>}</tt> notations.
  The former is resolved to "default" if <tt>${<i>NAME</i>}</tt> environment variable is undefined
  or its value is empty.
  The latter behaves the same way only if <tt>${<i>NAME</i>}</tt> is undefined.
  <p>By default, warnings will be given to any deprecated configuration
  parameters and these are suppressible by configuring
  <tt>log4j.logger.org.apache.hadoop.conf.Configuration.deprecation</tt> in
  log4j.properties file.

  <h4 id="Tags">Tags</h4>

  <p>Optionally we can tag related properties together by using tag
  attributes. System tags are defined by hadoop.tags.system property. Users
  can define there own custom tags in  hadoop.tags.custom property.

  <p>For example, we can tag existing property as:
  <pre><code>
   &lt;property&gt;
     &lt;name&gt;dfs.replication&lt;/name&gt;
     &lt;value&gt;3&lt;/value&gt;
     &lt;tag&gt;HDFS,REQUIRED&lt;/tag&gt;
   &lt;/property&gt;

   &lt;property&gt;
     &lt;name&gt;dfs.data.transfer.protection&lt;/name&gt;
     &lt;value&gt;3&lt;/value&gt;
     &lt;tag&gt;HDFS,SECURITY&lt;/tag&gt;
   &lt;/property&gt;
  </code></pre>
  <p> Properties marked with tags can be retrieved with <tt>conf
  .getAllPropertiesByTag("HDFS")</tt> or <tt>conf.getAllPropertiesByTags
  (Arrays.asList("YARN","SECURITY"))</tt>.</p></div>
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#Configuration--">Configuration</a></span>()</code>
 <div class="block">A new configuration.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#Configuration-boolean-">Configuration</a></span>(boolean&nbsp;loadDefaults)</code>
 <div class="block">A new configuration where the behavior of reading from the default
  resources can be turned off.</div>
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#Configuration-org.apache.hadoop.conf.Configuration-">Configuration</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;other)</code>
 <div class="block">A new configuration with the same settings cloned from another.</div>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
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 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addDefaultResource-java.lang.String-">addDefaultResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Add a default resource.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String-">addDeprecation</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;newKey)</code>
 <div class="block">Adds the deprecated key to the global deprecation map when no custom
  message is provided.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String:A-">addDeprecation</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;newKeys)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">use <a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String-"><code>addDeprecation(String key, String newKey)</code></a> instead</span></div>
 </div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String:A-java.lang.String-">addDeprecation</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;newKeys,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;customMessage)</code>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
 <div class="block"><span class="deprecationComment">use <a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String-java.lang.String-"><code>addDeprecation(String key, String newKey,
       String customMessage)</code></a> instead</span></div>
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 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String-java.lang.String-">addDeprecation</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;newKey,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;customMessage)</code>
 <div class="block">Adds the deprecated key to the global deprecation map.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecations-org.apache.hadoop.conf.Configuration.DeprecationDelta:A-">addDeprecations</a></span>(org.apache.hadoop.conf.Configuration.DeprecationDelta[]&nbsp;deltas)</code>
 <div class="block">Adds a set of deprecated keys to the global deprecations.</div>
 </td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-org.apache.hadoop.conf.Configuration-">addResource</a></span>(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
 <div class="block">Add a configuration resource.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.io.InputStream-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in)</code>
 <div class="block">Add a configuration resource.</div>
 </td>
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 <tr id="i8" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.io.InputStream-boolean-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in,
            boolean&nbsp;restrictedParser)</code>&nbsp;</td>
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 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.io.InputStream-java.lang.String-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Add a configuration resource.</div>
 </td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.io.InputStream-java.lang.String-boolean-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
            boolean&nbsp;restrictedParser)</code>&nbsp;</td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-org.apache.hadoop.fs.Path-">addResource</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file)</code>
 <div class="block">Add a configuration resource.</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-org.apache.hadoop.fs.Path-boolean-">addResource</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;file,
            boolean&nbsp;restrictedParser)</code>&nbsp;</td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.lang.String-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Add a configuration resource.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.lang.String-boolean-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.net.URL-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url)</code>
 <div class="block">Add a configuration resource.</div>
 </td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#addResource-java.net.URL-boolean-">addResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
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 <tr id="i17" class="rowColor">
 <td class="colFirst"><code>void</code></td>
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 <div class="block">Add tags defined in HADOOP_TAGS_SYSTEM, HADOOP_TAGS_CUSTOM.</div>
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 <tr id="i18" class="altColor">
 <td class="colFirst"><code>void</code></td>
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 <td class="colFirst"><code>static void</code></td>
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 <div class="block">Writes properties and their attributes (final and resource)
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 </td>
 </tr>
 <tr id="i20" class="altColor">
 <td class="colFirst"><code>static void</code></td>
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 <div class="block">Writes out all properties and their attributes (final and resource) to
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 </td>
 </tr>
 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
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 <tr id="i22" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#get-java.lang.String-">get</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Get the value of the <code>name</code> property, <code>null</code> if
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 </td>
 </tr>
 <tr id="i23" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#get-java.lang.String-java.lang.String-">get</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
    <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</code>
 <div class="block">Get the value of the <code>name</code>.</div>
 </td>
 </tr>
 <tr id="i24" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getAllPropertiesByTag-java.lang.String-">getAllPropertiesByTag</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</code>
 <div class="block">Get all properties belonging to tag.</div>
 </td>
 </tr>
 <tr id="i25" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getAllPropertiesByTags-java.util.List-">getAllPropertiesByTags</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;tagList)</code>
 <div class="block">Get all properties belonging to list of input tags.</div>
 </td>
 </tr>
 <tr id="i26" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getBoolean-java.lang.String-boolean-">getBoolean</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Get the value of the <code>name</code> property as a <code>boolean</code>.</div>
 </td>
 </tr>
 <tr id="i27" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getClass-java.lang.String-java.lang.Class-">getClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
         <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;defaultValue)</code>
 <div class="block">Get the value of the <code>name</code> property as a <code>Class</code>.</div>
 </td>
 </tr>
 <tr id="i28" class="altColor">
 <td class="colFirst"><code>&lt;U&gt;&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends U&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getClass-java.lang.String-java.lang.Class-java.lang.Class-">getClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
         <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends U&gt;&nbsp;defaultValue,
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 <div class="block">Get the value of the <code>name</code> property as a <code>Class</code>
  implementing the interface specified by <code>xface</code>.</div>
 </td>
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 <tr id="i29" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getClassByName-java.lang.String-">getClassByName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Load a class by name.</div>
 </td>
 </tr>
 <tr id="i30" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getClassByNameOrNull-java.lang.String-">getClassByNameOrNull</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Load a class by name, returning null rather than throwing an exception
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 </td>
 </tr>
 <tr id="i31" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getClasses-java.lang.String-java.lang.Class...-">getClasses</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
           <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;...&nbsp;defaultValue)</code>
 <div class="block">Get the value of the <code>name</code> property
  as an array of <code>Class</code>.</div>
 </td>
 </tr>
 <tr id="i32" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getClassLoader--">getClassLoader</a></span>()</code>
 <div class="block">Get the <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang"><code>ClassLoader</code></a> for this job.</div>
 </td>
 </tr>
 <tr id="i33" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getConfResourceAsInputStream-java.lang.String-">getConfResourceAsInputStream</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Get an input stream attached to the configuration resource with the
  given <code>name</code>.</div>
 </td>
 </tr>
 <tr id="i34" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getConfResourceAsReader-java.lang.String-">getConfResourceAsReader</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Get a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io"><code>Reader</code></a> attached to the configuration resource with the
  given <code>name</code>.</div>
 </td>
 </tr>
 <tr id="i35" class="rowColor">
 <td class="colFirst"><code>double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getDouble-java.lang.String-double-">getDouble</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
          double&nbsp;defaultValue)</code>
 <div class="block">Get the value of the <code>name</code> property as a <code>double</code>.</div>
 </td>
 </tr>
 <tr id="i36" class="altColor">
 <td class="colFirst"><code>&lt;T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a>&lt;T&gt;&gt;<br>T</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getEnum-java.lang.String-T-">getEnum</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Return value matching this enumerated type.</div>
 </td>
 </tr>
 <tr id="i37" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getFile-java.lang.String-java.lang.String-">getFile</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dirsProp,
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 <div class="block">Get a local file name under a directory named in <i>dirsProp</i> with
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 </td>
 </tr>
 <tr id="i38" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
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 </td>
 </tr>
 <tr id="i39" class="rowColor">
 <td class="colFirst"><code>float</code></td>
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 <div class="block">Get the value of the <code>name</code> property as a <code>float</code>.</div>
 </td>
 </tr>
 <tr id="i40" class="altColor">
 <td class="colFirst"><code>&lt;U&gt;&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;U&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getInstances-java.lang.String-java.lang.Class-">getInstances</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Get the value of the <code>name</code> property as a <code>List</code>
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 </td>
 </tr>
 <tr id="i41" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getInt-java.lang.String-int-">getInt</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Get the value of the <code>name</code> property as an <code>int</code>.</div>
 </td>
 </tr>
 <tr id="i42" class="altColor">
 <td class="colFirst"><code>int[]</code></td>
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 <div class="block">Get the value of the <code>name</code> property as a set of comma-delimited
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 </td>
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 <tr id="i43" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getLocalPath-java.lang.String-java.lang.String-">getLocalPath</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dirsProp,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)</code>
 <div class="block">Get a local file under a directory named by <i>dirsProp</i> with
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 </td>
 </tr>
 <tr id="i44" class="altColor">
 <td class="colFirst"><code>long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getLong-java.lang.String-long-">getLong</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Get the value of the <code>name</code> property as a <code>long</code>.</div>
 </td>
 </tr>
 <tr id="i45" class="rowColor">
 <td class="colFirst"><code>long</code></td>
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 <div class="block">Get the value of the <code>name</code> property as a <code>long</code> or
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 </td>
 </tr>
 <tr id="i46" class="altColor">
 <td class="colFirst"><code>char[]</code></td>
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 <div class="block">Get the value for a known password configuration element.</div>
 </td>
 </tr>
 <tr id="i47" class="rowColor">
 <td class="colFirst"><code>protected char[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getPasswordFromConfig-java.lang.String-">getPasswordFromConfig</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Fallback to clear text passwords in configuration.</div>
 </td>
 </tr>
 <tr id="i48" class="altColor">
 <td class="colFirst"><code>char[]</code></td>
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 <div class="block">Try and resolve the provided element name as a credential provider
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 </td>
 </tr>
 <tr id="i49" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a></code></td>
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 <tr id="i50" class="altColor">
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 <tr id="i51" class="rowColor">
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 <tr id="i53" class="rowColor">
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 <tr id="i54" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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 <tr id="i55" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getResource-java.lang.String-">getResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
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 </tr>
 <tr id="i56" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getSocketAddr-java.lang.String-java.lang.String-int-">getSocketAddr</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
              <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultAddress,
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 <tr id="i57" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getSocketAddr-java.lang.String-java.lang.String-java.lang.String-int-">getSocketAddr</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;hostProperty,
              <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;addressProperty,
              <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultAddressValue,
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 <tr id="i58" class="altColor">
 <td class="colFirst"><code>double</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getStorageSize-java.lang.String-double-org.apache.hadoop.conf.StorageUnit-">getStorageSize</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 </tr>
 <tr id="i59" class="rowColor">
 <td class="colFirst"><code>double</code></td>
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               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue,
               org.apache.hadoop.conf.StorageUnit&nbsp;targetUnit)</code>
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 </td>
 </tr>
 <tr id="i60" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
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 <div class="block">Get the comma delimited values of the <code>name</code> property as
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 </td>
 </tr>
 <tr id="i61" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td>
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 <div class="block">Get the comma delimited values of the <code>name</code> property as
  an array of <code>String</code>s.</div>
 </td>
 </tr>
 <tr id="i62" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getStrings-java.lang.String-java.lang.String...-">getStrings</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
           <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;defaultValue)</code>
 <div class="block">Get the comma delimited values of the <code>name</code> property as
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 <tr id="i63" class="rowColor">
 <td class="colFirst"><code>long</code></td>
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                long&nbsp;defaultValue,
                <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>
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 </td>
 </tr>
 <tr id="i64" class="altColor">
 <td class="colFirst"><code>long</code></td>
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                long&nbsp;defaultValue,
                <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;defaultUnit,
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 <tr id="i65" class="rowColor">
 <td class="colFirst"><code>long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getTimeDuration-java.lang.String-java.lang.String-java.util.concurrent.TimeUnit-">getTimeDuration</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue,
                <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>&nbsp;</td>
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 <tr id="i66" class="altColor">
 <td class="colFirst"><code>long</code></td>
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                <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue,
                <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;defaultUnit,
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 <tr id="i67" class="rowColor">
 <td class="colFirst"><code>long</code></td>
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                      <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;vStr,
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 <div class="block">Return time duration in the given time unit.</div>
 </td>
 </tr>
 <tr id="i68" class="altColor">
 <td class="colFirst"><code>long[]</code></td>
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 <tr id="i69" class="rowColor">
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 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getTrimmed-java.lang.String-">getTrimmed</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Get the value of the <code>name</code> property as a trimmed <code>String</code>,
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 </td>
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 <tr id="i70" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getTrimmed-java.lang.String-java.lang.String-">getTrimmed</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
           <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</code>
 <div class="block">Get the value of the <code>name</code> property as a trimmed <code>String</code>,
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 </td>
 </tr>
 <tr id="i71" class="rowColor">
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 <div class="block">Get the comma delimited values of the <code>name</code> property as
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 </td>
 </tr>
 <tr id="i72" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td>
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 <div class="block">Get the comma delimited values of the <code>name</code> property as
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 </td>
 </tr>
 <tr id="i73" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#getTrimmedStrings-java.lang.String-java.lang.String...-">getTrimmedStrings</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Get the comma delimited values of the <code>name</code> property as
  an array of <code>String</code>s, trimmed of the leading and trailing whitespace.</div>
 </td>
 </tr>
 <tr id="i74" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
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 <div class="block">get keys matching the the regex</div>
 </td>
 </tr>
 <tr id="i75" class="rowColor">
 <td class="colFirst"><code>static boolean</code></td>
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 <div class="block">Returns whether or not a deprecated name has been warned.</div>
 </td>
 </tr>
 <tr id="i76" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
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 </td>
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 <tr id="i77" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
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 <div class="block">Get Property tag Enum corresponding to given source.</div>
 </td>
 </tr>
 <tr id="i78" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;</code></td>
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 <div class="block">Get an <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> to go through the list of <code>String</code>
  key-value pairs in the configuration.</div>
 </td>
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 <tr id="i79" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#main-java.lang.String:A-">main</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>
 <div class="block">For debugging.</div>
 </td>
 </tr>
 <tr id="i80" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#onlyKeyExists-java.lang.String-">onlyKeyExists</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
 <div class="block">Return existence of the <code>name</code> property, but only for
  names which have no valid value, usually non-existent or commented
  out in XML.</div>
 </td>
 </tr>
 <tr id="i81" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#readFields-java.io.DataInput-">readFields</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)</code>
 <div class="block">Deserialize the fields of this object from <code>in</code>.</div>
 </td>
 </tr>
 <tr id="i82" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#reloadConfiguration--">reloadConfiguration</a></span>()</code>
 <div class="block">Reload configuration from previously added resources.</div>
 </td>
 </tr>
 <tr id="i83" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
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 <div class="block">Reload existing configuration instances.</div>
 </td>
 </tr>
 <tr id="i84" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#set-java.lang.String-java.lang.String-">set</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
    <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</code>
 <div class="block">Set the <code>value</code> of the <code>name</code> property.</div>
 </td>
 </tr>
 <tr id="i85" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#set-java.lang.String-java.lang.String-java.lang.String-">set</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
    <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value,
    <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;source)</code>
 <div class="block">Set the <code>value</code> of the <code>name</code> property.</div>
 </td>
 </tr>
 <tr id="i86" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setAllowNullValueProperties-boolean-">setAllowNullValueProperties</a></span>(boolean&nbsp;val)</code>
 <div class="block">Set Configuration to allow keys without values during setup.</div>
 </td>
 </tr>
 <tr id="i87" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setBoolean-java.lang.String-boolean-">setBoolean</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
           boolean&nbsp;value)</code>
 <div class="block">Set the value of the <code>name</code> property to a <code>boolean</code>.</div>
 </td>
 </tr>
 <tr id="i88" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setBooleanIfUnset-java.lang.String-boolean-">setBooleanIfUnset</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                  boolean&nbsp;value)</code>
 <div class="block">Set the given property, if it is currently unset.</div>
 </td>
 </tr>
 <tr id="i89" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setClass-java.lang.String-java.lang.Class-java.lang.Class-">setClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
         <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;theClass,
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 <div class="block">Set the value of the <code>name</code> property to the name of a
  <code>theClass</code> implementing the given interface <code>xface</code>.</div>
 </td>
 </tr>
 <tr id="i90" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setClassLoader-java.lang.ClassLoader-">setClassLoader</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a>&nbsp;classLoader)</code>
 <div class="block">Set the class loader that will be used to load the various objects.</div>
 </td>
 </tr>
 <tr id="i91" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setDeprecatedProperties--">setDeprecatedProperties</a></span>()</code>
 <div class="block">Sets all deprecated properties that are not currently set but have a
  corresponding new property that is set.</div>
 </td>
 </tr>
 <tr id="i92" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setDouble-java.lang.String-double-">setDouble</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
          double&nbsp;value)</code>
 <div class="block">Set the value of the <code>name</code> property to a <code>double</code>.</div>
 </td>
 </tr>
 <tr id="i93" class="rowColor">
 <td class="colFirst"><code>&lt;T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a>&lt;T&gt;&gt;<br>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setEnum-java.lang.String-T-">setEnum</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
        T&nbsp;value)</code>
 <div class="block">Set the value of the <code>name</code> property to the given type.</div>
 </td>
 </tr>
 <tr id="i94" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setFloat-java.lang.String-float-">setFloat</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
         float&nbsp;value)</code>
 <div class="block">Set the value of the <code>name</code> property to a <code>float</code>.</div>
 </td>
 </tr>
 <tr id="i95" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setIfUnset-java.lang.String-java.lang.String-">setIfUnset</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
           <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</code>
 <div class="block">Sets a property if it is currently unset.</div>
 </td>
 </tr>
 <tr id="i96" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setInt-java.lang.String-int-">setInt</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
       int&nbsp;value)</code>
 <div class="block">Set the value of the <code>name</code> property to an <code>int</code>.</div>
 </td>
 </tr>
 <tr id="i97" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setLong-java.lang.String-long-">setLong</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
        long&nbsp;value)</code>
 <div class="block">Set the value of the <code>name</code> property to a <code>long</code>.</div>
 </td>
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 <tr id="i98" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setPattern-java.lang.String-java.util.regex.Pattern-">setPattern</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
           <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a>&nbsp;pattern)</code>
 <div class="block">Set the given property to <code>Pattern</code>.</div>
 </td>
 </tr>
 <tr id="i99" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setQuietMode-boolean-">setQuietMode</a></span>(boolean&nbsp;quietmode)</code>
 <div class="block">Set the quietness-mode.</div>
 </td>
 </tr>
 <tr id="i100" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setRestrictSystemProperties-boolean-">setRestrictSystemProperties</a></span>(boolean&nbsp;val)</code>&nbsp;</td>
 </tr>
 <tr id="i101" class="rowColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setRestrictSystemPropertiesDefault-boolean-">setRestrictSystemPropertiesDefault</a></span>(boolean&nbsp;val)</code>&nbsp;</td>
 </tr>
 <tr id="i102" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setRestrictSystemProps-boolean-">setRestrictSystemProps</a></span>(boolean&nbsp;val)</code>&nbsp;</td>
 </tr>
 <tr id="i103" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setSocketAddr-java.lang.String-java.net.InetSocketAddress-">setSocketAddr</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
              <a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;addr)</code>
 <div class="block">Set the socket address for the <code>name</code> property as
  a <code>host:port</code>.</div>
 </td>
 </tr>
 <tr id="i104" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setStorageSize-java.lang.String-double-org.apache.hadoop.conf.StorageUnit-">setStorageSize</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
               double&nbsp;value,
               org.apache.hadoop.conf.StorageUnit&nbsp;unit)</code>
 <div class="block">Sets Storage Size for the specified key.</div>
 </td>
 </tr>
 <tr id="i105" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setStrings-java.lang.String-java.lang.String...-">setStrings</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
           <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;values)</code>
 <div class="block">Set the array of string values for the <code>name</code> property as
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 <tr id="i106" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#setTimeDuration-java.lang.String-long-java.util.concurrent.TimeUnit-">setTimeDuration</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                long&nbsp;value,
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 <div class="block">Set the value of <code>name</code> to the given time duration.</div>
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 <tr id="i107" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#size--">size</a></span>()</code>
 <div class="block">Return the number of keys in the configuration.</div>
 </td>
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 <tr id="i108" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#toString--">toString</a></span>()</code>&nbsp;</td>
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 <tr id="i109" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#unset-java.lang.String-">unset</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>
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 </td>
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 <tr id="i110" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#updateConnectAddr-java.lang.String-java.net.InetSocketAddress-">updateConnectAddr</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Set the socket address a client can use to connect for the
  <code>name</code> property as a <code>host:port</code>.</div>
 </td>
 </tr>
 <tr id="i111" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#updateConnectAddr-java.lang.String-java.lang.String-java.lang.String-java.net.InetSocketAddress-">updateConnectAddr</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;hostProperty,
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 <div class="block">Set the socket address a client can use to connect for the
  <code>name</code> property as a <code>host:port</code>.</div>
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 <tr id="i112" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#write-java.io.DataOutput-">write</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out)</code>
 <div class="block">Serialize the fields of this object to <code>out</code>.</div>
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 <tr id="i113" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#writeXml-java.io.OutputStream-">writeXml</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;out)</code>
 <div class="block">Write out the non-default properties in this configuration to the given
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><code>OutputStream</code></a> using UTF-8 encoding.</div>
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 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#writeXml-java.lang.String-java.io.Writer-">writeXml</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;propertyName,
         <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;out)</code>
 <div class="block">Write out the non-default properties in this configuration to the
  given <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io"><code>Writer</code></a>.</div>
 </td>
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 <tr id="i115" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/conf/Configuration.html#writeXml-java.io.Writer-">writeXml</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;out)</code>&nbsp;</td>
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 <pre>public&nbsp;Configuration()</pre>
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 <pre>public&nbsp;Configuration(boolean&nbsp;loadDefaults)</pre>
 <div class="block">A new configuration where the behavior of reading from the default
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  If the parameter <code>loadDefaults</code> is false, the new instance
  will not load resources from the default files.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>loadDefaults</code> - specifies whether to load from the default files</dd>
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 <pre>public&nbsp;Configuration(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;other)</pre>
 <div class="block">A new configuration with the same settings cloned from another.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>other</code> - the configuration from which to clone settings.</dd>
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 <pre>public static&nbsp;void&nbsp;addDeprecations(org.apache.hadoop.conf.Configuration.DeprecationDelta[]&nbsp;deltas)</pre>
 <div class="block">Adds a set of deprecated keys to the global deprecations.

  This method is lockless.  It works by means of creating a new
  DeprecationContext based on the old one, and then atomically swapping in
  the new context.  If someone else updated the context in between us reading
  the old context and swapping in the new one, we try again until we win the
  race.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>deltas</code> - The deprecations to add.</dd>
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 <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
 public static&nbsp;void&nbsp;addDeprecation(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
                                               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;newKeys,
                                               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;customMessage)</pre>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">use <a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String-java.lang.String-"><code>addDeprecation(String key, String newKey,
       String customMessage)</code></a> instead</span></div>
 <div class="block">Adds the deprecated key to the global deprecation map.
  It does not override any existing entries in the deprecation map.
  This is to be used only by the developers in order to add deprecation of
  keys, and attempts to call this method after loading resources once,
  would lead to <tt>UnsupportedOperationException</tt>

  If a key is deprecated in favor of multiple keys, they are all treated as
  aliases of each other, and setting any one of them resets all the others
  to the new value.

  If you have multiple deprecation entries to add, it is more efficient to
  use #addDeprecations(DeprecationDelta[] deltas) instead.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>key</code> - to be deprecated</dd>
 <dd><code>newKeys</code> - list of keys that take up the values of deprecated key</dd>
 <dd><code>customMessage</code> - depcrication message</dd>
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 <div class="block">Adds the deprecated key to the global deprecation map.
  It does not override any existing entries in the deprecation map.
  This is to be used only by the developers in order to add deprecation of
  keys, and attempts to call this method after loading resources once,
  would lead to <tt>UnsupportedOperationException</tt>

  If you have multiple deprecation entries to add, it is more efficient to
  use #addDeprecations(DeprecationDelta[] deltas) instead.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>key</code> - to be deprecated</dd>
 <dd><code>newKey</code> - key that take up the values of deprecated key</dd>
 <dd><code>customMessage</code> - deprecation message</dd>
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 <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
 public static&nbsp;void&nbsp;addDeprecation(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
                                               <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;newKeys)</pre>
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">use <a href="../../../../org/apache/hadoop/conf/Configuration.html#addDeprecation-java.lang.String-java.lang.String-"><code>addDeprecation(String key, String newKey)</code></a> instead</span></div>
 <div class="block">Adds the deprecated key to the global deprecation map when no custom
  message is provided.
  It does not override any existing entries in the deprecation map.
  This is to be used only by the developers in order to add deprecation of
  keys, and attempts to call this method after loading resources once,
  would lead to <tt>UnsupportedOperationException</tt>

  If a key is deprecated in favor of multiple keys, they are all treated as
  aliases of each other, and setting any one of them resets all the others
  to the new value.

  If you have multiple deprecation entries to add, it is more efficient to
  use #addDeprecations(DeprecationDelta[] deltas) instead.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>key</code> - Key that is to be deprecated</dd>
 <dd><code>newKeys</code> - list of keys that take up the values of deprecated key</dd>
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 <pre>public static&nbsp;void&nbsp;addDeprecation(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
                                   <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;newKey)</pre>
 <div class="block">Adds the deprecated key to the global deprecation map when no custom
  message is provided.
  It does not override any existing entries in the deprecation map.
  This is to be used only by the developers in order to add deprecation of
  keys, and attempts to call this method after loading resources once,
  would lead to <tt>UnsupportedOperationException</tt>

  If you have multiple deprecation entries to add, it is more efficient to
  use #addDeprecations(DeprecationDelta[] deltas) instead.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>key</code> - Key that is to be deprecated</dd>
 <dd><code>newKey</code> - key that takes up the value of deprecated key</dd>
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 <pre>public static&nbsp;boolean&nbsp;isDeprecated(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</pre>
 <div class="block">checks whether the given <code>key</code> is deprecated.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>key</code> - the parameter which is to be checked for deprecation</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if the key is deprecated and
          <code>false</code> otherwise.</dd>
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 <pre>public&nbsp;void&nbsp;setDeprecatedProperties()</pre>
 <div class="block">Sets all deprecated properties that are not currently set but have a
  corresponding new property that is set. Useful for iterating the
  properties when all deprecated properties for currently set properties
  need to be present.</div>
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 <pre>public static&nbsp;void&nbsp;reloadExistingConfigurations()</pre>
 <div class="block">Reload existing configuration instances.</div>
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 <div class="block">Add a default resource. Resources are loaded in the order of the resources
  added.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - file name. File should be present in the classpath.</dd>
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 <div class="block">Add a configuration resource.

  The properties of this resource will override properties of previously
  added resources, unless they were marked <a href="#Final">final</a>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - resource to be added, the classpath is examined for a file
              with that name.</dd>
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 <pre>public&nbsp;void&nbsp;addResource(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <pre>public&nbsp;void&nbsp;addResource(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url)</pre>
 <div class="block">Add a configuration resource.

  The properties of this resource will override properties of previously
  added resources, unless they were marked <a href="#Final">final</a>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>url</code> - url of the resource to be added, the local filesystem is
             examined directly to find the resource, without referring to
             the classpath.</dd>
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 <div class="block">Add a configuration resource.

  The properties of this resource will override properties of previously
  added resources, unless they were marked <a href="#Final">final</a>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>file</code> - file-path of resource to be added, the local filesystem is
              examined directly to find the resource, without referring to
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 <div class="block">Add a configuration resource.

  The properties of this resource will override properties of previously
  added resources, unless they were marked <a href="#Final">final</a>.

  WARNING: The contents of the InputStream will be cached, by this method.
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 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>in</code> - InputStream to deserialize the object from. In will be read from
  when a get or set is called next.  After it is read the stream will be
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 <div class="block">Add a configuration resource.

  The properties of this resource will override properties of previously
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 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>in</code> - InputStream to deserialize the object from.</dd>
 <dd><code>name</code> - the name of the resource because InputStream.toString is not
  very descriptive some times.</dd>
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 <div class="block">Add a configuration resource.

  The properties of this resource will override properties of previously
  added resources, unless they were marked <a href="#Final">final</a>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>conf</code> - Configuration object from which to load properties</dd>
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 <pre>public&nbsp;void&nbsp;reloadConfiguration()</pre>
 <div class="block">Reload configuration from previously added resources.

  This method will clear all the configuration read from the added
  resources, and final parameters. This will make the resources to
  be read again before accessing the values. Values that are added
  via set methods will overlay values read from the resources.</div>
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 <h4>get</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;get(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the value of the <code>name</code> property, <code>null</code> if
  no such property exists. If the key is deprecated, it returns the value of
  the first key which replaces the deprecated key and is not null.

  Values are processed for <a href="#VariableExpansion">variable expansion</a>
  before being returned.

  As a side effect get loads the properties from the sources if called for
  the first time as a lazy init.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name, will be trimmed before get value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the value of the <code>name</code> or its replacing property,
          or null if no such property exists.</dd>
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 <pre>public&nbsp;void&nbsp;setAllowNullValueProperties(boolean&nbsp;val)</pre>
 <div class="block">Set Configuration to allow keys without values during setup.  Intended
  for use during testing.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>val</code> - If true, will allow Configuration to store keys without values</dd>
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 <div class="block">Return existence of the <code>name</code> property, but only for
  names which have no valid value, usually non-existent or commented
  out in XML.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if the property <code>name</code> exists without value</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getTrimmed(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the value of the <code>name</code> property as a trimmed <code>String</code>,
  <code>null</code> if no such property exists.
  If the key is deprecated, it returns the value of
  the first key which replaces the deprecated key and is not null

  Values are processed for <a href="#VariableExpansion">variable expansion</a>
  before being returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the value of the <code>name</code> or its replacing property,
          or null if no such property exists.</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getTrimmed(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
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 <div class="block">Get the value of the <code>name</code> property as a trimmed <code>String</code>,
  <code>defaultValue</code> if no such property exists.
  See @{Configuration#getTrimmed} for more details.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name.</dd>
 <dd><code>defaultValue</code> - the property default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the value of the <code>name</code> or defaultValue
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getRaw(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the value of the <code>name</code> property, without doing
  <a href="#VariableExpansion">variable expansion</a>.If the key is
  deprecated, it returns the value of the first key which replaces
  the deprecated key and is not null.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the value of the <code>name</code> property or
          its replacing property and null if no such property exists.</dd>
 </dl>
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 <pre>public&nbsp;void&nbsp;set(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                 <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</pre>
 <div class="block">Set the <code>value</code> of the <code>name</code> property. If
  <code>name</code> is deprecated or there is a deprecated name associated to it,
  it sets the value to both names. Name will be trimmed before put into
  configuration.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>value</code> - property value.</dd>
 </dl>
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 <pre>public&nbsp;void&nbsp;set(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                 <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value,
                 <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;source)</pre>
 <div class="block">Set the <code>value</code> of the <code>name</code> property. If
  <code>name</code> is deprecated, it also sets the <code>value</code> to
  the keys that replace the deprecated key. Name will be trimmed before put
  into configuration.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>value</code> - property value.</dd>
 <dd><code>source</code> - the place that this configuration value came from
  (For debugging).</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - when the value or name is null.</dd>
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 <pre>public&nbsp;void&nbsp;unset(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Unset a previously set property.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name</dd>
 </dl>
 </li>
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 <pre>public&nbsp;void&nbsp;setIfUnset(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</pre>
 <div class="block">Sets a property if it is currently unset.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name</dd>
 <dd><code>value</code> - the new value</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;get(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                   <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code>. If the key is deprecated,
  it returns the value of the first key which replaces the deprecated key
  and is not null.
  If no such property exists,
  then <code>defaultValue</code> is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name, will be trimmed before get value.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value, or <code>defaultValue</code> if the property
          doesn't exist.</dd>
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 <pre>public&nbsp;int&nbsp;getInt(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                   int&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as an <code>int</code>.

  If no such property exists, the provided default value is returned,
  or if the specified value is not a valid <code>int</code>,
  then an error is thrown.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as an <code>int</code>,
          or <code>defaultValue</code>.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></code> - when the value is invalid</dd>
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 <pre>public&nbsp;int[]&nbsp;getInts(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the value of the <code>name</code> property as a set of comma-delimited
  <code>int</code> values.

  If no such property exists, an empty array is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value interpreted as an array of comma-delimited
          <code>int</code> values</dd>
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 <pre>public&nbsp;void&nbsp;setInt(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                    int&nbsp;value)</pre>
 <div class="block">Set the value of the <code>name</code> property to an <code>int</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>value</code> - <code>int</code> value of the property.</dd>
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 <pre>public&nbsp;long&nbsp;getLong(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                     long&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>long</code>.
  If no such property exists, the provided default value is returned,
  or if the specified value is not a valid <code>long</code>,
  then an error is thrown.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>long</code>,
          or <code>defaultValue</code>.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></code> - when the value is invalid</dd>
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 <pre>public&nbsp;long&nbsp;getLongBytes(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                          long&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>long</code> or
  human readable format. If no such property exists, the provided default
  value is returned, or if the specified value is not a valid
  <code>long</code> or human readable format, then an error is thrown. You
  can use the following suffix (case insensitive): k(kilo), m(mega), g(giga),
  t(tera), p(peta), e(exa)</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>long</code>,
          or <code>defaultValue</code>.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></code> - when the value is invalid</dd>
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 <pre>public&nbsp;void&nbsp;setLong(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                     long&nbsp;value)</pre>
 <div class="block">Set the value of the <code>name</code> property to a <code>long</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>value</code> - <code>long</code> value of the property.</dd>
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 <pre>public&nbsp;float&nbsp;getFloat(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                       float&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>float</code>.
  If no such property exists, the provided default value is returned,
  or if the specified value is not a valid <code>float</code>,
  then an error is thrown.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>float</code>,
          or <code>defaultValue</code>.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></code> - when the value is invalid</dd>
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 <pre>public&nbsp;void&nbsp;setFloat(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                      float&nbsp;value)</pre>
 <div class="block">Set the value of the <code>name</code> property to a <code>float</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>value</code> - property value.</dd>
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 <pre>public&nbsp;double&nbsp;getDouble(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                         double&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>double</code>.
  If no such property exists, the provided default value is returned,
  or if the specified value is not a valid <code>double</code>,
  then an error is thrown.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>double</code>,
          or <code>defaultValue</code>.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></code> - when the value is invalid</dd>
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 <pre>public&nbsp;void&nbsp;setDouble(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                       double&nbsp;value)</pre>
 <div class="block">Set the value of the <code>name</code> property to a <code>double</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>value</code> - property value.</dd>
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 <pre>public&nbsp;boolean&nbsp;getBoolean(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                           boolean&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>boolean</code>.
  If no such property is specified, or if the specified value is not a valid
  <code>boolean</code>, then <code>defaultValue</code> is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>boolean</code>,
          or <code>defaultValue</code>.</dd>
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 <pre>public&nbsp;void&nbsp;setBoolean(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                        boolean&nbsp;value)</pre>
 <div class="block">Set the value of the <code>name</code> property to a <code>boolean</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>value</code> - <code>boolean</code> value of the property.</dd>
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 <pre>public&nbsp;void&nbsp;setBooleanIfUnset(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                               boolean&nbsp;value)</pre>
 <div class="block">Set the given property, if it is currently unset.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name</dd>
 <dd><code>value</code> - new value</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;&lt;T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a>&lt;T&gt;&gt;&nbsp;void&nbsp;setEnum(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                         T&nbsp;value)</pre>
 <div class="block">Set the value of the <code>name</code> property to the given type. This
  is equivalent to <code>set(&lt;name&gt;, value.toString())</code>.</div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - enumeration type</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name</dd>
 <dd><code>value</code> - new value</dd>
 </dl>
 </li>
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 <pre>public&nbsp;&lt;T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</a>&lt;T&gt;&gt;&nbsp;T&nbsp;getEnum(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                      T&nbsp;defaultValue)</pre>
 <div class="block">Return value matching this enumerated type.
  Note that the returned value is trimmed by this method.</div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - enumeration type</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - Property name</dd>
 <dd><code>defaultValue</code> - Value returned if no mapping exists</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>enumeration type</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - If mapping is illegal for the type
  provided</dd>
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 <pre>public&nbsp;void&nbsp;setTimeDuration(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                             long&nbsp;value,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</pre>
 <div class="block">Set the value of <code>name</code> to the given time duration. This
  is equivalent to <code>set(&lt;name&gt;, value + &lt;time suffix&gt;)</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - Property name</dd>
 <dd><code>value</code> - Time duration</dd>
 <dd><code>unit</code> - Unit of time</dd>
 </dl>
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 <pre>public&nbsp;long&nbsp;getTimeDuration(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                             long&nbsp;defaultValue,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</pre>
 <div class="block">Return time duration in the given time unit. Valid units are encoded in
  properties as suffixes: nanoseconds (ns), microseconds (us), milliseconds
  (ms), seconds (s), minutes (m), hours (h), and days (d).</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - Property name</dd>
 <dd><code>defaultValue</code> - Value returned if no mapping exists.</dd>
 <dd><code>unit</code> - Unit to convert the stored property, if it exists.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>time duration in given time unit</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></code> - If the property stripped of its unit is not
          a number</dd>
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 <pre>public&nbsp;long&nbsp;getTimeDuration(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</pre>
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                             long&nbsp;defaultValue,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;defaultUnit,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;returnUnit)</pre>
 <div class="block">Return time duration in the given time unit. Valid units are encoded in
  properties as suffixes: nanoseconds (ns), microseconds (us), milliseconds
  (ms), seconds (s), minutes (m), hours (h), and days (d). If no unit is
  provided, the default unit is applied.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - Property name</dd>
 <dd><code>defaultValue</code> - Value returned if no mapping exists.</dd>
 <dd><code>defaultUnit</code> - Default time unit if no valid suffix is provided.</dd>
 <dd><code>returnUnit</code> - The unit used for the returned value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>time duration in given time unit</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NumberFormatException.html?is-external=true" title="class or interface in java.lang">NumberFormatException</a></code> - If the property stripped of its unit is not
          a number</dd>
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                             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;defaultUnit,
                             <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;returnUnit)</pre>
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                                   <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;vStr,
                                   <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</pre>
 <div class="block">Return time duration in the given time unit. Valid units are encoded in
  properties as suffixes: nanoseconds (ns), microseconds (us), milliseconds
  (ms), seconds (s), minutes (m), hours (h), and days (d).</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - Property name</dd>
 <dd><code>vStr</code> - The string value with time unit suffix to be converted.</dd>
 <dd><code>unit</code> - Unit to convert the stored property, if it exists.</dd>
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                                <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</pre>
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                              <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue,
                              org.apache.hadoop.conf.StorageUnit&nbsp;targetUnit)</pre>
 <div class="block">Gets the Storage Size from the config, or returns the defaultValue. The
  unit of return value is specified in target unit.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - - Key Name</dd>
 <dd><code>defaultValue</code> - - Default Value -- e.g. 100MB</dd>
 <dd><code>targetUnit</code> - - The units that we want result to be in.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>double -- formatted in target Units</dd>
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                              double&nbsp;defaultValue,
                              org.apache.hadoop.conf.StorageUnit&nbsp;targetUnit)</pre>
 <div class="block">Gets storage size from a config file.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - - Key to read.</dd>
 <dd><code>defaultValue</code> - - The default value to return in case the key is
  not present.</dd>
 <dd><code>targetUnit</code> - - The Storage unit that should be used
  for the return value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>- double value in the Storage Unit specified.</dd>
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                            double&nbsp;value,
                            org.apache.hadoop.conf.StorageUnit&nbsp;unit)</pre>
 <div class="block">Sets Storage Size for the specified key.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - - Key to set.</dd>
 <dd><code>value</code> - - The numeric value to set.</dd>
 <dd><code>unit</code> - - Storage Unit to be used.</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a>&nbsp;getPattern(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                           <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a>&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>Pattern</code>.
  If no such property is specified, or if the specified value is not a valid
  <code>Pattern</code>, then <code>DefaultValue</code> is returned.
  Note that the returned value is NOT trimmed by this method.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name</dd>
 <dd><code>defaultValue</code> - default value</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a compiled Pattern, or defaultValue</dd>
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 <pre>public&nbsp;void&nbsp;setPattern(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                        <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a>&nbsp;pattern)</pre>
 <div class="block">Set the given property to <code>Pattern</code>.
  If the pattern is passed as null, sets the empty pattern which results in
  further calls to getPattern(...) returning the default value.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name</dd>
 <dd><code>pattern</code> - new value</dd>
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 <pre>@InterfaceStability.Unstable
 public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;getPropertySources(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Gets information about why a property was set.  Typically this is the
  path to the resource objects (file, URL, etc.) the property came from, but
  it can also indicate that it was set programmatically, or because of the
  command line.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - - The property name to get the source of.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>null - If the property or its source wasn't found. Otherwise,
  returns a list of the sources of the resource.  The older sources are
  the first ones in the list.  So for example if a configuration is set from
  the command line, and then written out to a file that is read back in the
  first entry would indicate that it was set from the command line, while
  the second one would indicate the file that the new configuration was read
  in from.</dd>
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 <pre>public&nbsp;org.apache.hadoop.conf.Configuration.IntegerRanges&nbsp;getRange(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                                                    <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</pre>
 <div class="block">Parse the given attribute as a set of integer ranges</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the attribute name</dd>
 <dd><code>defaultValue</code> - the default value if it is not set</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a new set of ranges from the configured value</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getStringCollection(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the comma delimited values of the <code>name</code> property as
  a collection of <code>String</code>s.
  If no such property is specified then empty collection is returned.
  <p>
  This is an optimized version of <a href="../../../../org/apache/hadoop/conf/Configuration.html#getStrings-java.lang.String-"><code>getStrings(String)</code></a></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a collection of <code>String</code>s.</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;getStrings(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the comma delimited values of the <code>name</code> property as
  an array of <code>String</code>s.
  If no such property is specified then <code>null</code> is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as an array of <code>String</code>s,
          or <code>null</code>.</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;getStrings(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;defaultValue)</pre>
 <div class="block">Get the comma delimited values of the <code>name</code> property as
  an array of <code>String</code>s.
  If no such property is specified then default value is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - The default value</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as an array of <code>String</code>s,
          or default value.</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getTrimmedStringCollection(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the comma delimited values of the <code>name</code> property as
  a collection of <code>String</code>s, trimmed of the leading and trailing whitespace.
  If no such property is specified then empty <code>Collection</code> is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a collection of <code>String</code>s, or empty <code>Collection</code></dd>
 </dl>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;getTrimmedStrings(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the comma delimited values of the <code>name</code> property as
  an array of <code>String</code>s, trimmed of the leading and trailing whitespace.
  If no such property is specified then an empty array is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as an array of trimmed <code>String</code>s,
          or empty array.</dd>
 </dl>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;getTrimmedStrings(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                   <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;defaultValue)</pre>
 <div class="block">Get the comma delimited values of the <code>name</code> property as
  an array of <code>String</code>s, trimmed of the leading and trailing whitespace.
  If no such property is specified then default value is returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultValue</code> - The default value</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as an array of trimmed <code>String</code>s,
          or default value.</dd>
 </dl>
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 <pre>public&nbsp;void&nbsp;setStrings(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>...&nbsp;values)</pre>
 <div class="block">Set the array of string values for the <code>name</code> property as
  as comma delimited values.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>values</code> - The values</dd>
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 <pre>public&nbsp;char[]&nbsp;getPassword(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)
                    throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Get the value for a known password configuration element.
  In order to enable the elimination of clear text passwords in config,
  this method attempts to resolve the property name as an alias through
  the CredentialProvider API and conditionally fallsback to config.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>password</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when error in fetching password</dd>
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 <pre>public&nbsp;char[]&nbsp;getPasswordFromCredentialProviders(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)
                                           throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Try and resolve the provided element name as a credential provider
  alias.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - alias of the provisioned credential</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>password or null if not found</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when error in fetching password</dd>
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 <pre>protected&nbsp;char[]&nbsp;getPasswordFromConfig(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Fallback to clear text passwords in configuration.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - </dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>clear text password or null</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;getSocketAddr(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;hostProperty,
                                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;addressProperty,
                                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultAddressValue,
                                        int&nbsp;defaultPort)</pre>
 <div class="block">Get the socket address for <code>hostProperty</code> as a
  <code>InetSocketAddress</code>. If <code>hostProperty</code> is
  <code>null</code>, <code>addressProperty</code> will be used. This
  is useful for cases where we want to differentiate between host
  bind address and address clients should use to establish connection.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>hostProperty</code> - bind host property name.</dd>
 <dd><code>addressProperty</code> - address property name.</dd>
 <dd><code>defaultAddressValue</code> - the default value</dd>
 <dd><code>defaultPort</code> - the default port</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>InetSocketAddress</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;getSocketAddr(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultAddress,
                                        int&nbsp;defaultPort)</pre>
 <div class="block">Get the socket address for <code>name</code> property as a
  <code>InetSocketAddress</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>defaultAddress</code> - the default value</dd>
 <dd><code>defaultPort</code> - the default port</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>InetSocketAddress</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;void&nbsp;setSocketAddr(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                           <a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;addr)</pre>
 <div class="block">Set the socket address for the <code>name</code> property as
  a <code>host:port</code>.</div>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;updateConnectAddr(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;hostProperty,
                                            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;addressProperty,
                                            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultAddressValue,
                                            <a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;addr)</pre>
 <div class="block">Set the socket address a client can use to connect for the
  <code>name</code> property as a <code>host:port</code>.  The wildcard
  address is replaced with the local host's address. If the host and address
  properties are configured the host component of the address will be combined
  with the port component of the addr to generate the address.  This is to allow
  optional control over which host name is used in multi-home bind-host
  cases where a host can have multiple names</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>hostProperty</code> - the bind-host configuration name</dd>
 <dd><code>addressProperty</code> - the service address configuration name</dd>
 <dd><code>defaultAddressValue</code> - the service default address configuration value</dd>
 <dd><code>addr</code> - InetSocketAddress of the service listener</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>InetSocketAddress for clients to connect</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;updateConnectAddr(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                            <a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;addr)</pre>
 <div class="block">Set the socket address a client can use to connect for the
  <code>name</code> property as a <code>host:port</code>.  The wildcard
  address is replaced with the local host's address.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>addr</code> - InetSocketAddress of a listener to store in the given property</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>InetSocketAddress for clients to connect</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;getClassByName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)
                         throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre>
 <div class="block">Load a class by name.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the class name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the class object.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - if the class is not found.</dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;getClassByNameOrNull(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Load a class by name, returning null rather than throwing an exception
  if it couldn't be loaded. This is to avoid the overhead of creating
  an exception.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the class name</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the class object, or null if it could not be found.</dd>
 </dl>
 </li>
 </ul>
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 <h4>getClasses</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;[]&nbsp;getClasses(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                              <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;...&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property
  as an array of <code>Class</code>.
  The value of the property specifies a list of comma separated class names.
  If no such property is specified, then <code>defaultValue</code> is
  returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>Class[]</code>,
          or <code>defaultValue</code>.</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;getClass(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;defaultValue)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>Class</code>.
  If no such property is specified, then <code>defaultValue</code> is
  returned.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the conf key name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>Class</code>,
          or <code>defaultValue</code>.</dd>
 </dl>
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 <pre>public&nbsp;&lt;U&gt;&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends U&gt;&nbsp;getClass(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;? extends U&gt;&nbsp;defaultValue,
                                        <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;U&gt;&nbsp;xface)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>Class</code>
  implementing the interface specified by <code>xface</code>.

  If no such property is specified, then <code>defaultValue</code> is
  returned.

  An exception is thrown if the returned class does not implement the named
  interface.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the conf key name.</dd>
 <dd><code>defaultValue</code> - default value.</dd>
 <dd><code>xface</code> - the interface implemented by the named class.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>property value as a <code>Class</code>,
          or <code>defaultValue</code>.</dd>
 </dl>
 </li>
 </ul>
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 <h4>getInstances</h4>
 <pre>public&nbsp;&lt;U&gt;&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;U&gt;&nbsp;getInstances(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                                 <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;U&gt;&nbsp;xface)</pre>
 <div class="block">Get the value of the <code>name</code> property as a <code>List</code>
  of objects implementing the interface specified by <code>xface</code>.

  An exception is thrown if any of the classes does not exist, or if it does
  not implement the named interface.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - the property name.</dd>
 <dd><code>xface</code> - the interface implemented by the classes named by
         <code>name</code>.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a <code>List</code> of objects implementing <code>xface</code>.</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;void&nbsp;setClass(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name,
                      <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;theClass,
                      <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;xface)</pre>
 <div class="block">Set the value of the <code>name</code> property to the name of a
  <code>theClass</code> implementing the given interface <code>xface</code>.

  An exception is thrown if <code>theClass</code> does not implement the
  interface <code>xface</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - property name.</dd>
 <dd><code>theClass</code> - property value.</dd>
 <dd><code>xface</code> - the interface implemented by the named class.</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;getLocalPath(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dirsProp,
                          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)
                   throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Get a local file under a directory named by <i>dirsProp</i> with
  the given <i>path</i>.  If <i>dirsProp</i> contains multiple directories,
  then one is chosen based on <i>path</i>'s hash code.  If the selected
  directory does not exist, an attempt is made to create it.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>dirsProp</code> - directory in which to locate the file.</dd>
 <dd><code>path</code> - file-path.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>local file under the directory with the given path.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;getFile(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dirsProp,
                     <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)
              throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Get a local file name under a directory named in <i>dirsProp</i> with
  the given <i>path</i>.  If <i>dirsProp</i> contains multiple directories,
  then one is chosen based on <i>path</i>'s hash code.  If the selected
  directory does not exist, an attempt is made to create it.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>dirsProp</code> - directory in which to locate the file.</dd>
 <dd><code>path</code> - file-path.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>local file under the directory with the given path.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;getResource(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get the <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net"><code>URL</code></a> for the named resource.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - resource name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the url for the named resource.</dd>
 </dl>
 </li>
 </ul>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;getConfResourceAsInputStream(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get an input stream attached to the configuration resource with the
  given <code>name</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - configuration resource name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>an input stream attached to the resource.</dd>
 </dl>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;getConfResourceAsReader(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Get a <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io"><code>Reader</code></a> attached to the configuration resource with the
  given <code>name</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - configuration resource name.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a reader attached to the resource.</dd>
 </dl>
 </li>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getFinalParameters()</pre>
 <div class="block">Get the set of parameters marked final.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>final parameter set.</dd>
 </dl>
 </li>
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 <pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;getProps()</pre>
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 <pre>public&nbsp;int&nbsp;size()</pre>
 <div class="block">Return the number of keys in the configuration.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>number of keys in the configuration.</dd>
 </dl>
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 <pre>public&nbsp;void&nbsp;clear()</pre>
 <div class="block">Clears all keys from the configuration.</div>
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 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;&nbsp;iterator()</pre>
 <div class="block">Get an <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> to go through the list of <code>String</code>
  key-value pairs in the configuration.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#iterator--" title="class or interface in java.lang">iterator</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;</code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>an iterator over the entries.</dd>
 </dl>
 </li>
 </ul>
 <a name="getPropsWithPrefix-java.lang.String-">
 <!--   -->
 </a>
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 <h4>getPropsWithPrefix</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getPropsWithPrefix(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;confPrefix)</pre>
 <div class="block">Constructs a mapping of configuration and includes all properties that
  start with the specified configuration prefix.  Property names in the
  mapping are trimmed to remove the configuration prefix.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>confPrefix</code> - configuration prefix</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>mapping of configuration properties with prefix stripped</dd>
 </dl>
 </li>
 </ul>
 <a name="addTags-java.util.Properties-">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>addTags</h4>
 <pre>public&nbsp;void&nbsp;addTags(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;prop)</pre>
 <div class="block">Add tags defined in HADOOP_TAGS_SYSTEM, HADOOP_TAGS_CUSTOM.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>prop</code> - </dd>
 </dl>
 </li>
 </ul>
 <a name="writeXml-java.io.OutputStream-">
 <!--   -->
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 <h4>writeXml</h4>
 <pre>public&nbsp;void&nbsp;writeXml(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;out)
               throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Write out the non-default properties in this configuration to the given
  <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><code>OutputStream</code></a> using UTF-8 encoding.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>out</code> - the output stream to write to.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="writeXml-java.io.Writer-">
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 <ul class="blockList">
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 <h4>writeXml</h4>
 <pre>public&nbsp;void&nbsp;writeXml(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;out)
               throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="writeXml-java.lang.String-java.io.Writer-">
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 <h4>writeXml</h4>
 <pre>public&nbsp;void&nbsp;writeXml(<a href="https://docs.oracle.com/javase/8/docs/api/javax/annotation/Nullable.html?is-external=true" title="class or interface in javax.annotation">@Nullable</a>
                      <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;propertyName,
                      <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;out)
               throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
                      <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></pre>
 <div class="block">Write out the non-default properties in this configuration to the
  given <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io"><code>Writer</code></a>.
  <ul>
  <li>
  When property name is not empty and the property exists in the
  configuration, this method writes the property and its attributes
  to the <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io"><code>Writer</code></a>.
  </li>

  <li>
  When property name is null or empty, this method writes all the
  configuration properties and their attributes to the <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io"><code>Writer</code></a>.
  </li>

  <li>
  When property name is not empty but the property doesn't exist in
  the configuration, this method throws an <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang"><code>IllegalArgumentException</code></a>.
  </li>
  </ul></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>out</code> - the writer to write to.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="dumpConfiguration-org.apache.hadoop.conf.Configuration-java.lang.String-java.io.Writer-">
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 <h4>dumpConfiguration</h4>
 <pre>public static&nbsp;void&nbsp;dumpConfiguration(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;config,
                                      <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;propertyName,
                                      <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;out)
                               throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Writes properties and their attributes (final and resource)
   to the given <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io"><code>Writer</code></a>.
   <ul>
   <li>
   When propertyName is not empty, and the property exists
   in the configuration, the format of the output would be,
   <pre>
   {
     "property": {
       "key" : "key1",
       "value" : "value1",
       "isFinal" : "key1.isFinal",
       "resource" : "key1.resource"
     }
   }
   </pre>
   </li>

   <li>
   When propertyName is null or empty, it behaves same as
   <a href="../../../../org/apache/hadoop/conf/Configuration.html#dumpConfiguration-org.apache.hadoop.conf.Configuration-java.io.Writer-"><code>dumpConfiguration(Configuration, Writer)</code></a>, the
   output would be,
   <pre>
   { "properties" :
       [ { key : "key1",
           value : "value1",
           isFinal : "key1.isFinal",
           resource : "key1.resource" },
         { key : "key2",
           value : "value2",
           isFinal : "ke2.isFinal",
           resource : "key2.resource" }
        ]
    }
   </pre>
   </li>

   <li>
   When propertyName is not empty, and the property is not
   found in the configuration, this method will throw an
   <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang"><code>IllegalArgumentException</code></a>.
   </li>
   </ul>
   <p></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>config</code> - the configuration</dd>
 <dd><code>propertyName</code> - property name</dd>
 <dd><code>out</code> - the Writer to write to</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - when property name is not
    empty and the property is not found in configuration</dd>
 </dl>
 </li>
 </ul>
 <a name="dumpConfiguration-org.apache.hadoop.conf.Configuration-java.io.Writer-">
 <!--   -->
 </a>
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 <h4>dumpConfiguration</h4>
 <pre>public static&nbsp;void&nbsp;dumpConfiguration(<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;config,
                                      <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;out)
                               throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block">Writes out all properties and their attributes (final and resource) to
   the given <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io"><code>Writer</code></a>, the format of the output would be,

   <pre>
   { "properties" :
       [ { key : "key1",
           value : "value1",
           isFinal : "key1.isFinal",
           resource : "key1.resource" },
         { key : "key2",
           value : "value2",
           isFinal : "ke2.isFinal",
           resource : "key2.resource" }
        ]
    }
   </pre>

   It does not output the properties of the configuration object which
   is loaded from an input stream.
   <p></div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>config</code> - the configuration</dd>
 <dd><code>out</code> - the Writer to write to</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="getClassLoader--">
 <!--   -->
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 <h4>getClassLoader</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a>&nbsp;getClassLoader()</pre>
 <div class="block">Get the <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang"><code>ClassLoader</code></a> for this job.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the correct class loader.</dd>
 </dl>
 </li>
 </ul>
 <a name="setClassLoader-java.lang.ClassLoader-">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>setClassLoader</h4>
 <pre>public&nbsp;void&nbsp;setClassLoader(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</a>&nbsp;classLoader)</pre>
 <div class="block">Set the class loader that will be used to load the various objects.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>classLoader</code> - the new class loader.</dd>
 </dl>
 </li>
 </ul>
 <a name="toString--">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>toString</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
 </dl>
 </li>
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 <h4>setQuietMode</h4>
 <pre>public&nbsp;void&nbsp;setQuietMode(boolean&nbsp;quietmode)</pre>
 <div class="block">Set the quietness-mode.

  In the quiet-mode, error and informational messages might not be logged.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>quietmode</code> - <code>true</code> to set quiet-mode on, <code>false</code>
               to turn it off.</dd>
 </dl>
 </li>
 </ul>
 <a name="main-java.lang.String:A-">
 <!--   -->
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 <h4>main</h4>
 <pre>public static&nbsp;void&nbsp;main(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)
                  throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
 <div class="block">For debugging.  List non-default properties to the terminal and exit.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
 </dl>
 </li>
 </ul>
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 <!--   -->
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 <h4>readFields</h4>
 <pre>public&nbsp;void&nbsp;readFields(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)
                 throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/hadoop/io/Writable.html#readFields-java.io.DataInput-">Writable</a></code></span></div>
 <div class="block">Deserialize the fields of this object from <code>in</code>.

  <p>For efficiency, implementations should attempt to re-use storage in the
  existing object where possible.</p></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../org/apache/hadoop/io/Writable.html#readFields-java.io.DataInput-">readFields</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>in</code> - <code>DataInput</code> to deseriablize this object from.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 </dl>
 </li>
 </ul>
 <a name="write-java.io.DataOutput-">
 <!--   -->
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 <ul class="blockList">
 <li class="blockList">
 <h4>write</h4>
 <pre>public&nbsp;void&nbsp;write(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out)
            throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/hadoop/io/Writable.html#write-java.io.DataOutput-">Writable</a></code></span></div>
 <div class="block">Serialize the fields of this object to <code>out</code>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../org/apache/hadoop/io/Writable.html#write-java.io.DataOutput-">write</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>out</code> - <code>DataOuput</code> to serialize this object into.</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
 </dl>
 </li>
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 <a name="getValByRegex-java.lang.String-">
 <!--   -->
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 <ul class="blockList">
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 <h4>getValByRegex</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getValByRegex(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;regex)</pre>
 <div class="block">get keys matching the the regex</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>regex</code> - </dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Map&lt;String,String&gt; with matching keys</dd>
 </dl>
 </li>
 </ul>
 <a name="dumpDeprecatedKeys--">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>dumpDeprecatedKeys</h4>
 <pre>public static&nbsp;void&nbsp;dumpDeprecatedKeys()</pre>
 </li>
 </ul>
 <a name="hasWarnedDeprecation-java.lang.String-">
 <!--   -->
 </a>
 <ul class="blockList">
 <li class="blockList">
 <h4>hasWarnedDeprecation</h4>
 <pre>public static&nbsp;boolean&nbsp;hasWarnedDeprecation(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
 <div class="block">Returns whether or not a deprecated name has been warned. If the name is not
  deprecated then always return false</div>
 </li>
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 <a name="getAllPropertiesByTag-java.lang.String-">
 <!--   -->
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 <h4>getAllPropertiesByTag</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;getAllPropertiesByTag(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</pre>
 <div class="block">Get all properties belonging to tag.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>tag</code> - tag</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Properties with matching tag</dd>
 </dl>
 </li>
 </ul>
 <a name="getAllPropertiesByTags-java.util.List-">
 <!--   -->
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 <h4>getAllPropertiesByTags</h4>
 <pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a>&nbsp;getAllPropertiesByTags(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;tagList)</pre>
 <div class="block">Get all properties belonging to list of input tags. Calls
  getAllPropertiesByTag internally.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>tagList</code> - list of input tags</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Properties with matching tags</dd>
 </dl>
 </li>
 </ul>
 <a name="isPropertyTag-java.lang.String-">
 <!--   -->
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 <h4>isPropertyTag</h4>
 <pre>public&nbsp;boolean&nbsp;isPropertyTag(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tagStr)</pre>
 <div class="block">Get Property tag Enum corresponding to given source.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>tagStr</code> - String representation of Enum</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>true if tagStr is a valid tag</dd>
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