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<div class="subTitle">org.apache.gora.util</div>
<h2 title="Class IOUtils" class="title">Class IOUtils</h2>
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<pre>public class <span class="typeNameLabel">IOUtils</span>
extends <a href="http://download.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">An utility class for I/O related functionality.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#BUFFER_SIZE">BUFFER_SIZE</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#IOUtils--">IOUtils</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>static &lt;K,T&gt;&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#deserialize-byte:A-org.apache.avro.specific.SpecificDatumReader-T-">deserialize</a></span>(byte[]&nbsp;bytes,
org.apache.avro.specific.SpecificDatumReader&lt;T&gt;&nbsp;datumReader,
T&nbsp;object)</code>
<div class="block">Deserializes the field object using the datumReader.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static &lt;K,T extends org.apache.avro.specific.SpecificRecord&gt;<br>T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#deserialize-byte:A-org.apache.avro.specific.SpecificDatumReader-T-">deserialize</a></span>(byte[]&nbsp;bytes,
org.apache.avro.specific.SpecificDatumReader&lt;T&gt;&nbsp;datumReader,
T&nbsp;object)</code>
<div class="block">Deserializes the field object using the datumReader.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#deserialize-org.apache.hadoop.conf.Configuration-byte:A-T-">deserialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
byte[]&nbsp;in,
T&nbsp;obj)</code>
<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#deserialize-org.apache.hadoop.conf.Configuration-java.io.DataInput-T-">deserialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in,
T&nbsp;obj)</code>
<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#deserialize-org.apache.hadoop.conf.Configuration-java.io.DataInput-T-java.lang.Class-">deserialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in,
T&nbsp;obj,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;objClass)</code>
<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#deserialize-org.apache.hadoop.conf.Configuration-java.io.DataInput-T-java.lang.String-">deserialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in,
T&nbsp;obj,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;objClass)</code>
<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static &lt;K,T extends org.apache.avro.specific.SpecificRecord&gt;<br>T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#deserialize-java.io.InputStream-org.apache.avro.specific.SpecificDatumReader-T-">deserialize</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;is,
org.apache.avro.specific.SpecificDatumReader&lt;T&gt;&nbsp;datumReader,
T&nbsp;object)</code>
<div class="block">Deserializes the field object using the datumReader.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#getAsBytes-java.util.List-">getAsBytes</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://download.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&gt;&nbsp;buffers)</code>
<div class="block">Copies the contents of the buffers into a single byte[].</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;T</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#loadFromConf-org.apache.hadoop.conf.Configuration-java.lang.String-">loadFromConf</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dataKey)</code>
<div class="block">Loads the object stored by <a href="../../../../org/apache/gora/util/IOUtils.html#storeToConf-T-org.apache.hadoop.conf.Configuration-java.lang.String-"><code>storeToConf(Object, Configuration, String)</code></a>
method from the configuration under the given dataKey.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static boolean[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#readBoolArray-java.io.DataInput-">readBoolArray</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)</code>
<div class="block">Reads a boolean[] from input.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static boolean[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#readBoolArray-org.apache.avro.io.Decoder-">readBoolArray</a></span>(org.apache.avro.io.Decoder&nbsp;in)</code>
<div class="block">Reads a boolean[] from input.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#readFully-java.io.InputStream-">readFully</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in)</code>
<div class="block">Reads until the end of the input stream, and returns the contents as a byte[].</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static boolean[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#readNullFieldsInfo-java.io.DataInput-">readNullFieldsInfo</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)</code>
<div class="block">Reads the data written by <a href="../../../../org/apache/gora/util/IOUtils.html#writeNullFieldsInfo-java.io.DataOutput-java.lang.Object...-"><code>writeNullFieldsInfo(DataOutput, Object...)</code></a>
and returns a boolean array representing whether each field is null or not.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static <a href="http://download.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#readObject-java.io.DataInput-">readObject</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>static <a href="http://download.oracle.com/javase/7/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/gora/util/IOUtils.html#readStringArray-java.io.DataInput-">readStringArray</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)</code>
<div class="block">Reads and returns a String array that is written by
<a href="../../../../org/apache/gora/util/IOUtils.html#writeStringArray-java.io.DataOutput-java.lang.String:A-"><code>writeStringArray(DataOutput, String[])</code></a>.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#serialize-org.apache.hadoop.conf.Configuration-java.io.DataOutput-T-">serialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
T&nbsp;obj)</code>
<div class="block">Serializes the object to the given data output using
available Hadoop serializations.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#serialize-org.apache.hadoop.conf.Configuration-java.io.DataOutput-T-java.lang.Class-">serialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
T&nbsp;obj,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;objClass)</code>
<div class="block">Serializes the object to the given data output using
available Hadoop serializations.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#serialize-org.apache.hadoop.conf.Configuration-T-">serialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
T&nbsp;obj)</code>
<div class="block">Serializes the object to the given data output using
available Hadoop serializations</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#serialize-java.io.OutputStream-org.apache.avro.specific.SpecificDatumWriter-T-">serialize</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;os,
org.apache.avro.specific.SpecificDatumWriter&lt;T&gt;&nbsp;datumWriter,
T&nbsp;object)</code>
<div class="block">Serializes the field object using the datumWriter.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>static &lt;T extends org.apache.avro.specific.SpecificRecord&gt;<br>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#serialize-java.io.OutputStream-org.apache.avro.specific.SpecificDatumWriter-T-">serialize</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;os,
org.apache.avro.specific.SpecificDatumWriter&lt;T&gt;&nbsp;datumWriter,
T&nbsp;object)</code>
<div class="block">Serializes the field object using the datumWriter.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#serialize-org.apache.avro.specific.SpecificDatumWriter-T-">serialize</a></span>(org.apache.avro.specific.SpecificDatumWriter&lt;T&gt;&nbsp;datumWriter,
T&nbsp;object)</code>
<div class="block">Serializes the field object using the datumWriter.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>static &lt;T extends org.apache.avro.specific.SpecificRecord&gt;<br>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#serialize-org.apache.avro.specific.SpecificDatumWriter-T-">serialize</a></span>(org.apache.avro.specific.SpecificDatumWriter&lt;T&gt;&nbsp;datumWriter,
T&nbsp;object)</code>
<div class="block">Serializes the field object using the datumWriter.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#storeToConf-T-org.apache.hadoop.conf.Configuration-java.lang.String-">storeToConf</a></span>(T&nbsp;obj,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dataKey)</code>
<div class="block">Stores the given object in the configuration under the given dataKey.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#writeBoolArray-java.io.DataOutput-boolean:A-">writeBoolArray</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
boolean[]&nbsp;boolArray)</code>
<div class="block">Writes a boolean[] to the output.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#writeBoolArray-org.apache.avro.io.Encoder-boolean:A-">writeBoolArray</a></span>(org.apache.avro.io.Encoder&nbsp;out,
boolean[]&nbsp;boolArray)</code>
<div class="block">Writes a boolean[] to the output.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#writeNullFieldsInfo-java.io.DataOutput-java.lang.Object...-">writeNullFieldsInfo</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/gora/util/IOUtils.html#writeObject-java.io.DataOutput-java.lang.Object-">writeObject</a></span>(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
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<td class="colFirst"><code>static void</code></td>
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<pre>public static&nbsp;<a href="http://download.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;readObject(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a>,
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<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd>
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<a href="http://download.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;obj)
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<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/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 static&nbsp;&lt;T&gt;&nbsp;void&nbsp;serialize(org.apache.hadoop.conf.Configuration&nbsp;conf,
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<a href="http://download.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;objClass)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Serializes the object to the given data output using
available Hadoop serializations.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - class type of object to be serialized.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - Hadoop conf.</dd>
<dd><code>obj</code> - object instance to be serialized.</dd>
<dd><code>out</code> - data stream which serialized content is written.</dd>
<dd><code>objClass</code> - Class type of the object to be serialized.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while serializing the object to bytes.</dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;void&nbsp;serialize(org.apache.hadoop.conf.Configuration&nbsp;conf,
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throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Serializes the object to the given data output using
available Hadoop serializations.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - class type of object to be serialized.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - Hadoop conf.</dd>
<dd><code>obj</code> - object instance to be serialized.</dd>
<dd><code>out</code> - data stream which serialized content is written.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while serializing the object to bytes.</dd>
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<div class="block">Serializes the object to the given data output using
available Hadoop serializations</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - class type of object to be serialized.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - Hadoop conf.</dd>
<dd><code>obj</code> - object instance to be serialized.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>serialized byte array.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while serializing the object to bytes.</dd>
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<pre>public static&nbsp;&lt;T extends org.apache.avro.specific.SpecificRecord&gt;&nbsp;void&nbsp;serialize(<a href="http://download.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;os,
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<div class="block">Serializes the field object using the datumWriter.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - class type of object to be serialized.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datumWriter</code> - AVRO datum writer for given schema.</dd>
<dd><code>object</code> - object to be serialized.</dd>
<dd><code>os</code> - output stream which serialized content is written.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while serializing the object to bytes.</dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;void&nbsp;serialize(<a href="http://download.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;os,
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<div class="block">Serializes the field object using the datumWriter.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - class type of object to be serialized.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datumWriter</code> - AVRO datum writer for given schema.</dd>
<dd><code>object</code> - object to be serialized.</dd>
<dd><code>os</code> - output stream which serialized content is written.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while serializing the object to bytes.</dd>
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<div class="block">Serializes the field object using the datumWriter.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - class type of object to be serialized.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datumWriter</code> - AVRO datum writer for given schema.</dd>
<dd><code>object</code> - object to be serialized.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>serialized byte array.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while serializing the object to bytes.</dd>
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<div class="block">Serializes the field object using the datumWriter.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - class type of object to be serialized.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datumWriter</code> - AVRO datum writer for given schema.</dd>
<dd><code>object</code> - object to be serialized.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>serialized byte array.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while serializing the object to bytes.</dd>
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<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - object class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - Hadoop conf.</dd>
<dd><code>in</code> - data input stream where serialized content is read.</dd>
<dd><code>obj</code> - data object.</dd>
<dd><code>objClass</code> - object class type as String.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>deserialized object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while deserializing the byte content.</dd>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - class definition cannot be found for given class name.</dd>
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<a href="http://download.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;objClass)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - object class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - Hadoop conf.</dd>
<dd><code>in</code> - data input stream where serialized content is read.</dd>
<dd><code>obj</code> - data object.</dd>
<dd><code>objClass</code> - object class type.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>deserialized object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while deserializing the byte content.</dd>
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throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre>
<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - object class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - Hadoop conf.</dd>
<dd><code>in</code> - data input stream where serialized content is read.</dd>
<dd><code>obj</code> - data object.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>deserialized object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while deserializing the byte content.</dd>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - class definition cannot be found for given class name.</dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;T&nbsp;deserialize(org.apache.hadoop.conf.Configuration&nbsp;conf,
byte[]&nbsp;in,
T&nbsp;obj)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></pre>
<div class="block">Deserializes the object in the given data input using
available Hadoop serializations.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - object class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - Hadoop conf.</dd>
<dd><code>in</code> - serialized byte array of object.</dd>
<dd><code>obj</code> - data object.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>deserialized object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - occurred while deserializing the byte content.</dd>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code> - class definition cannot be found for given class name.</dd>
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<pre>public static&nbsp;&lt;K,T extends org.apache.avro.specific.SpecificRecord&gt;&nbsp;T&nbsp;deserialize(<a href="http://download.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;is,
org.apache.avro.specific.SpecificDatumReader&lt;T&gt;&nbsp;datumReader,
T&nbsp;object)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Deserializes the field object using the datumReader.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - field class type.</dd>
<dd><code>K</code> - key class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>is</code> - data input stream.</dd>
<dd><code>datumReader</code> - AVRO datum reader associated schema.</dd>
<dd><code>object</code> - data field object.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>deserialized field object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - while deserializing the byte content.</dd>
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<pre>public static&nbsp;&lt;K,T extends org.apache.avro.specific.SpecificRecord&gt;&nbsp;T&nbsp;deserialize(byte[]&nbsp;bytes,
org.apache.avro.specific.SpecificDatumReader&lt;T&gt;&nbsp;datumReader,
T&nbsp;object)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Deserializes the field object using the datumReader.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - field class type.</dd>
<dd><code>K</code> - key class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytes</code> - serialized byte array of field.</dd>
<dd><code>datumReader</code> - AVRO datum reader associated schema.</dd>
<dd><code>object</code> - data field object.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>deserialized field object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - while deserializing the byte content.</dd>
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<pre>public static&nbsp;&lt;K,T&gt;&nbsp;T&nbsp;deserialize(byte[]&nbsp;bytes,
org.apache.avro.specific.SpecificDatumReader&lt;T&gt;&nbsp;datumReader,
T&nbsp;object)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Deserializes the field object using the datumReader.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - field class type.</dd>
<dd><code>K</code> - key class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytes</code> - serialized byte array of field.</dd>
<dd><code>datumReader</code> - AVRO datum reader associated schema.</dd>
<dd><code>object</code> - data field object.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>deserialized field object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - while deserializing the byte content.</dd>
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<pre>public static&nbsp;void&nbsp;writeNullFieldsInfo(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>...&nbsp;fields)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Writes a byte[] to the output, representing whether each given field is null
or not. A Vint and ceil( fields.length / 8 ) bytes are written to the output.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>out</code> - the output to write to.</dd>
<dd><code>fields</code> - the fields to check for null. @see #readNullFieldsInfo(DataInput).</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when writing the data to the stream.</dd>
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<pre>public static&nbsp;boolean[]&nbsp;readNullFieldsInfo(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Reads the data written by <a href="../../../../org/apache/gora/util/IOUtils.html#writeNullFieldsInfo-java.io.DataOutput-java.lang.Object...-"><code>writeNullFieldsInfo(DataOutput, Object...)</code></a>
and returns a boolean array representing whether each field is null or not.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - the input to read from.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a boolean[] representing whether each field is null or not.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when value is too long to fit in integer.</dd>
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<pre>public static&nbsp;void&nbsp;writeBoolArray(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
boolean[]&nbsp;boolArray)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Writes a boolean[] to the output.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>out</code> - the output to write to.</dd>
<dd><code>boolArray</code> - boolean array.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when writing the data to the stream.</dd>
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<pre>public static&nbsp;boolean[]&nbsp;readBoolArray(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Reads a boolean[] from input.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - data input stream to read values.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean array.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when value too long to fit in integer.</dd>
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<pre>public static&nbsp;void&nbsp;writeBoolArray(org.apache.avro.io.Encoder&nbsp;out,
boolean[]&nbsp;boolArray)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Writes a boolean[] to the output.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>out</code> - encoder instance which wraps the output stream where data is written.</dd>
<dd><code>boolArray</code> - boolean array.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when failed writing the data to the stream.</dd>
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<pre>public static&nbsp;boolean[]&nbsp;readBoolArray(org.apache.avro.io.Decoder&nbsp;in)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Reads a boolean[] from input.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - decoder instance which wraps the input stream where data is read.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean array.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when failed reading the data from stream.</dd>
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<pre>public static&nbsp;void&nbsp;writeStringArray(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a>&nbsp;out,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;arr)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Writes the String array to the given DataOutput.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>out</code> - the data output to write to.</dd>
<dd><code>arr</code> - the array to write. @see #readStringArray(DataInput).</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when failed writing the data to output stream.</dd>
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<pre>public static&nbsp;<a href="http://download.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;readStringArray(<a href="http://download.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a>&nbsp;in)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Reads and returns a String array that is written by
<a href="../../../../org/apache/gora/util/IOUtils.html#writeStringArray-java.io.DataOutput-java.lang.String:A-"><code>writeStringArray(DataOutput, String[])</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - the data input to read from.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>read String[].</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when failed reading the data from stream.</dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;void&nbsp;storeToConf(T&nbsp;obj,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dataKey)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Stores the given object in the configuration under the given dataKey.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - the given object class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>obj</code> - the object to store.</dd>
<dd><code>conf</code> - the configuration to store the object into.</dd>
<dd><code>dataKey</code> - the key to store the data.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when failed storing the given data in Hadoop conf.</dd>
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<pre>public static&nbsp;&lt;T&gt;&nbsp;T&nbsp;loadFromConf(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="http://download.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dataKey)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Loads the object stored by <a href="../../../../org/apache/gora/util/IOUtils.html#storeToConf-T-org.apache.hadoop.conf.Configuration-java.lang.String-"><code>storeToConf(Object, Configuration, String)</code></a>
method from the configuration under the given dataKey.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - the given object class type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - the configuration to read from.</dd>
<dd><code>dataKey</code> - the key to get the data from.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the store object.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when failed retrieving the data given key from Hadoop conf.</dd>
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<pre>public static&nbsp;byte[]&nbsp;getAsBytes(<a href="http://download.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://download.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&gt;&nbsp;buffers)</pre>
<div class="block">Copies the contents of the buffers into a single byte[].</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>buffers</code> - input buffers to be merged.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>merged byte array.</dd>
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<pre>public static&nbsp;byte[]&nbsp;readFully(<a href="http://download.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;in)
throws <a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Reads until the end of the input stream, and returns the contents as a byte[].</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - input stream where the data is read.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>byte array of read data from the stream.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - when failed reading the data from input stream.</dd>
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