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<h2 title="Uses of Class org.apache.hadoop.security.Credentials" class="title">Uses of Class<br>org.apache.hadoop.security.Credentials</h2>
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<caption><span>Packages that use <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.mapred">org.apache.hadoop.mapred</a></td>
<td class="colLast">&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.mapreduce">org.apache.hadoop.mapreduce</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.mapreduce.security">org.apache.hadoop.mapreduce.security</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.security">org.apache.hadoop.security</a></td>
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<h3>Uses of <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a> in <a href="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</a> that return <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></code></td>
<td class="colLast"><span class="typeNameLabel">JobConf.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/mapred/JobConf.html#getCredentials--">getCredentials</a></span>()</code>
<div class="block">Get credentials for the job.</div>
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<li class="blockList"><a name="org.apache.hadoop.mapreduce">
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<h3>Uses of <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a> in <a href="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</a> that return <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></code></td>
<td class="colLast"><span class="typeNameLabel">JobContext.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/mapreduce/JobContext.html#getCredentials--">getCredentials</a></span>()</code>
<div class="block">Get credentials for the job.</div>
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<h3>Uses of <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a> in org.apache.hadoop.mapreduce.security</h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in org.apache.hadoop.mapreduce.security with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><span class="typeNameLabel">TokenCache.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/mapreduce/security/TokenCache.html#getSecretKey-org.apache.hadoop.security.Credentials-org.apache.hadoop.io.Text-">getSecretKey</a></span>(<a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a>&nbsp;credentials,
<a href="../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a>&nbsp;alias)</code>
<div class="block">auxiliary method to get user's secret keys..</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><span class="typeNameLabel">TokenCache.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/mapreduce/security/TokenCache.html#obtainTokensForNamenodes-org.apache.hadoop.security.Credentials-org.apache.hadoop.fs.Path:A-org.apache.hadoop.conf.Configuration-">obtainTokensForNamenodes</a></span>(<a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a>&nbsp;credentials,
<a href="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>[]&nbsp;ps,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Convenience method to obtain delegation tokens from namenodes
corresponding to the paths passed.</div>
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<h3>Uses of <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a> in <a href="../../../../../org/apache/hadoop/security/package-summary.html">org.apache.hadoop.security</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../org/apache/hadoop/security/package-summary.html">org.apache.hadoop.security</a> that return <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tbody>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></code></td>
<td class="colLast"><span class="typeNameLabel">UserGroupInformation.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/UserGroupInformation.html#getCredentials--">getCredentials</a></span>()</code>
<div class="block">Obtain the tokens in credentials form associated with this user.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></code></td>
<td class="colLast"><span class="typeNameLabel">Credentials.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/Credentials.html#readTokenStorageFile-java.io.File-org.apache.hadoop.conf.Configuration-">readTokenStorageFile</a></span>(<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;filename,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Convenience method for reading a token storage file and loading its Tokens.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></code></td>
<td class="colLast"><span class="typeNameLabel">Credentials.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/Credentials.html#readTokenStorageFile-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-">readTokenStorageFile</a></span>(<a href="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;filename,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Convenience method for reading a token storage file and loading its Tokens.</div>
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</tbody>
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../org/apache/hadoop/security/package-summary.html">org.apache.hadoop.security</a> with parameters of type <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">Credentials.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/Credentials.html#addAll-org.apache.hadoop.security.Credentials-">addAll</a></span>(<a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a>&nbsp;other)</code>
<div class="block">Copy all of the credentials from one credential object into another.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">UserGroupInformation.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/UserGroupInformation.html#addCredentials-org.apache.hadoop.security.Credentials-">addCredentials</a></span>(<a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a>&nbsp;credentials)</code>
<div class="block">Add the given Credentials to this user.</div>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">Credentials.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/Credentials.html#mergeAll-org.apache.hadoop.security.Credentials-">mergeAll</a></span>(<a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a>&nbsp;other)</code>
<div class="block">Copy all of the credentials from one credential object into another.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../org/apache/hadoop/security/package-summary.html">org.apache.hadoop.security</a> with parameters of type <a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a></span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/Credentials.html#Credentials-org.apache.hadoop.security.Credentials-">Credentials</a></span>(<a href="../../../../../org/apache/hadoop/security/Credentials.html" title="class in org.apache.hadoop.security">Credentials</a>&nbsp;credentials)</code>
<div class="block">Create a copy of the given credentials.</div>
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