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<h2 title="Uses of Interface org.apache.hadoop.io.Writable" class="title">Uses of Interface<br>org.apache.hadoop.io.Writable</h2>
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<div class="classUseContainer">
<ul class="blockList">
<li class="blockList">
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
<caption><span>Packages that use <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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.conf">org.apache.hadoop.conf</a></td>
<td class="colLast">
<div class="block">Configuration of system parameters.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.crypto.key.kms">org.apache.hadoop.crypto.key.kms</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs">org.apache.hadoop.fs</a></td>
<td class="colLast">
<div class="block">An abstract file system API.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.permission">org.apache.hadoop.fs.permission</a></td>
<td class="colLast">
<div class="block">This package provides support for HDFS permission and ACL.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.fs.store">org.apache.hadoop.fs.store</a></td>
<td class="colLast">
<div class="block">This package is for classes to be shared across object stores; for internal
use within the hadoop-* modules only.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.io">org.apache.hadoop.io</a></td>
<td class="colLast">
<div class="block">Generic i/o code for use when reading and writing data to the network,
to databases, and to files.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.ipc">org.apache.hadoop.ipc</a></td>
<td class="colLast">
<div class="block">Tools to help define network clients and servers.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.security">org.apache.hadoop.security</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.security.authorize">org.apache.hadoop.security.authorize</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.security.token">org.apache.hadoop.security.token</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.security.token.delegation">org.apache.hadoop.security.token.delegation</a></td>
<td class="colLast">&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.security.token.delegation.web">org.apache.hadoop.security.token.delegation.web</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.util">org.apache.hadoop.util</a></td>
<td class="colLast">
<div class="block">Common utilities.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.util.bloom">org.apache.hadoop.util.bloom</a></td>
<td class="colLast">&nbsp;</td>
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<h3>Uses of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in <a href="../../../../../org/apache/hadoop/conf/package-summary.html">org.apache.hadoop.conf</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../org/apache/hadoop/conf/package-summary.html">org.apache.hadoop.conf</a> that implement <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a></span></code>
<div class="block">Provides access to configuration parameters.</div>
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<h3>Uses of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in <a href="../../../../../org/apache/hadoop/crypto/key/kms/package-summary.html">org.apache.hadoop.crypto.key.kms</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../org/apache/hadoop/crypto/key/kms/package-summary.html">org.apache.hadoop.crypto.key.kms</a> that implement <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/crypto/key/kms/KMSDelegationToken.KMSDelegationTokenIdentifier.html" title="class in org.apache.hadoop.crypto.key.kms">KMSDelegationToken.KMSDelegationTokenIdentifier</a></span></code>
<div class="block">DelegationTokenIdentifier used for the KMS.</div>
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<h3>Uses of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in <a href="../../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../org/apache/hadoop/fs/package-summary.html">org.apache.hadoop.fs</a> that implement <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/ContentSummary.html" title="class in org.apache.hadoop.fs">ContentSummary</a></span></code>
<div class="block">Store the summary of a content (a directory or a file).</div>
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</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/FileChecksum.html" title="class in org.apache.hadoop.fs">FileChecksum</a></span></code>
<div class="block">An abstract class representing file checksums for files.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/FileStatus.html" title="class in org.apache.hadoop.fs">FileStatus</a></span></code>
<div class="block">Interface that represents the client side information for a file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/FsServerDefaults.html" title="class in org.apache.hadoop.fs">FsServerDefaults</a></span></code>
<div class="block">Provides server default configuration values to clients.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/FsStatus.html" title="class in org.apache.hadoop.fs">FsStatus</a></span></code>
<div class="block">This class is used to represent the capacity, free and used space on a
<a href="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs"><code>FileSystem</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/LocatedFileStatus.html" title="class in org.apache.hadoop.fs">LocatedFileStatus</a></span></code>
<div class="block">This class defines a FileStatus that includes a file's block locations.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/MD5MD5CRC32CastagnoliFileChecksum.html" title="class in org.apache.hadoop.fs">MD5MD5CRC32CastagnoliFileChecksum</a></span></code>
<div class="block">For CRC32 with the Castagnoli polynomial</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink">org.apache.hadoop.fs.MD5MD5CRC32FileChecksum</span></code>
<div class="block">MD5 of MD5 of CRC32.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/MD5MD5CRC32GzipFileChecksum.html" title="class in org.apache.hadoop.fs">MD5MD5CRC32GzipFileChecksum</a></span></code>
<div class="block">For CRC32 with the Gzip polynomial</div>
</td>
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<h3>Uses of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in org.apache.hadoop.fs.permission</h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in org.apache.hadoop.fs.permission 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/permission/FsCreateModes.html" title="class in org.apache.hadoop.fs.permission">FsCreateModes</a></span></code>
<div class="block">A class that stores both masked and unmasked create modes
and is a drop-in replacement for masked permission.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/permission/FsPermission.html" title="class in org.apache.hadoop.fs.permission">FsPermission</a></span></code>
<div class="block">A class for file/directory permissions.</div>
</td>
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</tbody>
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<li class="blockList"><a name="org.apache.hadoop.fs.store">
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<h3>Uses of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in org.apache.hadoop.fs.store</h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in org.apache.hadoop.fs.store 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/fs/store/EtagChecksum.html" title="class in org.apache.hadoop.fs.store">EtagChecksum</a></span></code>
<div class="block">An etag as a checksum.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.hadoop.io">
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</a>
<h3>Uses of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in <a href="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing subinterfaces, and an explanation">
<caption><span>Subinterfaces of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in <a href="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Interface and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&lt;T&gt;</span></code>
<div class="block">A <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io"><code>Writable</code></a> which is also <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang"><code>Comparable</code></a>.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</a> that implement <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/AbstractMapWritable.html" title="class in org.apache.hadoop.io">AbstractMapWritable</a></span></code>
<div class="block">Abstract base class for MapWritable and SortedMapWritable
Unlike org.apache.nutch.crawl.MapWritable, this class allows creation of
MapWritable&lt;Writable, MapWritable&gt; so the CLASS_TO_ID and ID_TO_CLASS
maps travel with the class instead of being static.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayPrimitiveWritable.html" title="class in org.apache.hadoop.io">ArrayPrimitiveWritable</a></span></code>
<div class="block">This is a wrapper class.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayWritable.html" title="class in org.apache.hadoop.io">ArrayWritable</a></span></code>
<div class="block">A Writable for arrays containing instances of a class.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/BooleanWritable.html" title="class in org.apache.hadoop.io">BooleanWritable</a></span></code>
<div class="block">A WritableComparable for booleans.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/BytesWritable.html" title="class in org.apache.hadoop.io">BytesWritable</a></span></code>
<div class="block">A byte sequence that is usable as a key or value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ByteWritable.html" title="class in org.apache.hadoop.io">ByteWritable</a></span></code>
<div class="block">A WritableComparable for a single byte.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/CompressedWritable.html" title="class in org.apache.hadoop.io">CompressedWritable</a></span></code>
<div class="block">A base-class for Writables which store themselves compressed and lazily
inflate on field access.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/DoubleWritable.html" title="class in org.apache.hadoop.io">DoubleWritable</a></span></code>
<div class="block">Writable for Double values.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/EnumSetWritable.html" title="class in org.apache.hadoop.io">EnumSetWritable</a>&lt;E 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;E&gt;&gt;</span></code>
<div class="block">A Writable wrapper for EnumSet.</div>
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</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/FloatWritable.html" title="class in org.apache.hadoop.io">FloatWritable</a></span></code>
<div class="block">A WritableComparable for floats.</div>
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<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/GenericWritable.html" title="class in org.apache.hadoop.io">GenericWritable</a></span></code>
<div class="block">A wrapper for Writable instances.</div>
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<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/IntWritable.html" title="class in org.apache.hadoop.io">IntWritable</a></span></code>
<div class="block">A WritableComparable for ints.</div>
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</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</a></span></code>
<div class="block">A WritableComparable for longs.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html" title="class in org.apache.hadoop.io">MapWritable</a></span></code>
<div class="block">A Writable Map.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MD5Hash.html" title="class in org.apache.hadoop.io">MD5Hash</a></span></code>
<div class="block">A Writable for MD5 hash values.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/NullWritable.html" title="class in org.apache.hadoop.io">NullWritable</a></span></code>
<div class="block">Singleton Writable with no data.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ObjectWritable.html" title="class in org.apache.hadoop.io">ObjectWritable</a></span></code>
<div class="block">A polymorphic Writable that writes an instance with it's class name.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a></span></code>
<div class="block">The class encapsulating with the metadata of a file.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ShortWritable.html" title="class in org.apache.hadoop.io">ShortWritable</a></span></code>
<div class="block">A WritableComparable for shorts.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="class in org.apache.hadoop.io">SortedMapWritable</a>&lt;K extends <a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&lt;? super K&gt;&gt;</span></code>
<div class="block">A Writable SortedMap.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a></span></code>
<div class="block">This class stores text using standard UTF8 encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/TwoDArrayWritable.html" title="class in org.apache.hadoop.io">TwoDArrayWritable</a></span></code>
<div class="block">A Writable for 2D arrays containing a matrix of instances of a class.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/VersionedWritable.html" title="class in org.apache.hadoop.io">VersionedWritable</a></span></code>
<div class="block">A base class for Writables that provides version checking.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/VIntWritable.html" title="class in org.apache.hadoop.io">VIntWritable</a></span></code>
<div class="block">A WritableComparable for integer values stored in variable-length format.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/VLongWritable.html" title="class in org.apache.hadoop.io">VLongWritable</a></span></code>
<div class="block">A WritableComparable for longs in a variable-length format.</div>
</td>
</tr>
</tbody>
</table>
<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/io/package-summary.html">org.apache.hadoop.io</a> with type parameters of type <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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>static &lt;T extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;<br>T</code></td>
<td class="colLast"><span class="typeNameLabel">WritableUtils.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableUtils.html#clone-T-org.apache.hadoop.conf.Configuration-">clone</a></span>(T&nbsp;orig,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Make a copy of a writable object using serialization to a buffer.</div>
</td>
</tr>
</tbody>
</table>
<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/io/package-summary.html">org.apache.hadoop.io</a> that return <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>[][]</code></td>
<td class="colLast"><span class="typeNameLabel">TwoDArrayWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/TwoDArrayWritable.html#get--">get</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/GenericWritable.html#get--">get</a></span>()</code>
<div class="block">Return the wrapped instance.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>[]</code></td>
<td class="colLast"><span class="typeNameLabel">ArrayWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayWritable.html#get--">get</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">ArrayFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayFile.Reader.html#get-long-org.apache.hadoop.io.Writable-">get</a></span>(long&nbsp;n,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>
<div class="block">Return the <code>n</code>th value in the file.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#get-java.lang.Object-">get</a></span>(<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>&nbsp;key)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#get-java.lang.Object-">get</a></span>(<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>&nbsp;key)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.Reader.html#get-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">get</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Return the value for the named key, or null if none exists.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">BloomMapFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/BloomMapFile.Reader.html#get-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">get</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Fast version of the
<a href="../../../../../org/apache/hadoop/io/MapFile.Reader.html#get-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-"><code>MapFile.Reader.get(WritableComparable, Writable)</code></a> method.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">WritableFactory.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableFactory.html#newInstance--">newInstance</a></span>()</code>
<div class="block">Return a new instance.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">WritableFactories.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableFactories.html#newInstance-java.lang.Class-">newInstance</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;c)</code>
<div class="block">Create a new instance of a class with a defined factory.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">WritableFactories.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableFactories.html#newInstance-java.lang.Class-org.apache.hadoop.conf.Configuration-">newInstance</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;c,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Create a new instance of a class with a defined factory.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">ArrayFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayFile.Reader.html#next-org.apache.hadoop.io.Writable-">next</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>
<div class="block">Read and return the next value in the file.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#put-K-org.apache.hadoop.io.Writable-">put</a></span>(<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#put-org.apache.hadoop.io.Writable-org.apache.hadoop.io.Writable-">put</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#remove-java.lang.Object-">remove</a></span>(<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>&nbsp;key)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#remove-java.lang.Object-">remove</a></span>(<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>&nbsp;key)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<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/io/package-summary.html">org.apache.hadoop.io</a> that return types with arguments of type <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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="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/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a>&lt;<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>,<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#entrySet--">entrySet</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<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/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a>&lt;<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>,<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#entrySet--">entrySet</a></span>()</code>&nbsp;</td>
</tr>
<tr 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/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a>&lt;<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>,<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#entrySet--">entrySet</a></span>()</code>&nbsp;</td>
</tr>
<tr 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;? extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ArrayWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayWritable.html#getValueClass--">getValueClass</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedMap.html?is-external=true" title="class or interface in java.util">SortedMap</a>&lt;<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>,<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#headMap-K-">headMap</a></span>(<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>&nbsp;toKey)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<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="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#keySet--">keySet</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedMap.html?is-external=true" title="class or interface in java.util">SortedMap</a>&lt;<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>,<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#subMap-K-K-">subMap</a></span>(<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>&nbsp;fromKey,
<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>&nbsp;toKey)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/SortedMap.html?is-external=true" title="class or interface in java.util">SortedMap</a>&lt;<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>,<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#tailMap-K-">tailMap</a></span>(<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>&nbsp;fromKey)</code>&nbsp;</td>
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<tr 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="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#values--">values</a></span>()</code>&nbsp;</td>
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<tr class="rowColor">
<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="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#values--">values</a></span>()</code>&nbsp;</td>
</tr>
</tbody>
</table>
<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/io/package-summary.html">org.apache.hadoop.io</a> with parameters of type <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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>void</code></td>
<td class="colLast"><span class="typeNameLabel">ArrayFile.Writer.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayFile.Writer.html#append-org.apache.hadoop.io.Writable-">append</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>
<div class="block">Append a value to the file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.Writer.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.Writer.html#append-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">append</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Append a key/value pair to the map.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">BloomMapFile.Writer.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/BloomMapFile.Writer.html#append-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">append</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">SequenceFile.Writer.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SequenceFile.Writer.html#append-org.apache.hadoop.io.Writable-org.apache.hadoop.io.Writable-">append</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Append a key/value pair.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><span class="typeNameLabel">WritableUtils.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableUtils.html#cloneInto-org.apache.hadoop.io.Writable-org.apache.hadoop.io.Writable-">cloneInto</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;dst,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;src)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">use ReflectionUtils.cloneInto instead.</span></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/AbstractMapWritable.html#copy-org.apache.hadoop.io.Writable-">copy</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;other)</code>
<div class="block">Used by child copy constructors.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">ArrayFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayFile.Reader.html#get-long-org.apache.hadoop.io.Writable-">get</a></span>(long&nbsp;n,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>
<div class="block">Return the <code>n</code>th value in the file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.Reader.html#get-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">get</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Return the value for the named key, or null if none exists.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">BloomMapFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/BloomMapFile.Reader.html#get-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">get</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Fast version of the
<a href="../../../../../org/apache/hadoop/io/MapFile.Reader.html#get-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-"><code>MapFile.Reader.get(WritableComparable, Writable)</code></a> method.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.Reader.html#getClosest-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">getClosest</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Finds the record that is the closest match to the specified key.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.Reader.html#getClosest-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-boolean-">getClosest</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val,
boolean&nbsp;before)</code>
<div class="block">Finds the record that is the closest match to the specified key.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">SequenceFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SequenceFile.Reader.html#getCurrentValue-org.apache.hadoop.io.Writable-">getCurrentValue</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Get the 'value' corresponding to the last read 'key'.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">ArrayFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayFile.Reader.html#next-org.apache.hadoop.io.Writable-">next</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>
<div class="block">Read and return the next value in the file.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><span class="typeNameLabel">SequenceFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SequenceFile.Reader.html#next-org.apache.hadoop.io.Writable-">next</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;key)</code>
<div class="block">Read the next key in the file into <code>key</code>, skipping its
value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.Reader.html#next-org.apache.hadoop.io.WritableComparable-org.apache.hadoop.io.Writable-">next</a></span>(<a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Read the next key/value pair in the map into <code>key</code> and
<code>val</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><span class="typeNameLabel">SequenceFile.Reader.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SequenceFile.Reader.html#next-org.apache.hadoop.io.Writable-org.apache.hadoop.io.Writable-">next</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;val)</code>
<div class="block">Read the next key/value pair in the file into <code>key</code> and
<code>val</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#put-K-org.apache.hadoop.io.Writable-">put</a></span>(<a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#put-org.apache.hadoop.io.Writable-org.apache.hadoop.io.Writable-">put</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;key,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">GenericWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/GenericWritable.html#set-org.apache.hadoop.io.Writable-">set</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;obj)</code>
<div class="block">Set the instance that is wrapped.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">ArrayWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayWritable.html#set-org.apache.hadoop.io.Writable:A-">set</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>[]&nbsp;values)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">TwoDArrayWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/TwoDArrayWritable.html#set-org.apache.hadoop.io.Writable:A:A-">set</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>[][]&nbsp;values)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static byte[]</code></td>
<td class="colLast"><span class="typeNameLabel">WritableUtils.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableUtils.html#toByteArray-org.apache.hadoop.io.Writable...-">toByteArray</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>...&nbsp;writables)</code>
<div class="block">Convert writables to a byte array</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Method parameters in <a href="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</a> with type arguments of type <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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>static long</code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.html#fix-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-boolean-org.apache.hadoop.conf.Configuration-">fix</a></span>(<a href="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dir,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;keyClass,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valueClass,
boolean&nbsp;dryrun,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">This method attempts to fix a corrupt MapFile by re-creating its index.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><span class="typeNameLabel">MapFile.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapFile.html#fix-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-boolean-org.apache.hadoop.conf.Configuration-">fix</a></span>(<a href="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;dir,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;keyClass,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valueClass,
boolean&nbsp;dryrun,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">This method attempts to fix a corrupt MapFile by re-creating its index.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">WritableFactories.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableFactories.html#newInstance-java.lang.Class-">newInstance</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;c)</code>
<div class="block">Create a new instance of a class with a defined factory.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">WritableFactories.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/WritableFactories.html#newInstance-java.lang.Class-org.apache.hadoop.conf.Configuration-">newInstance</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;c,
<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf)</code>
<div class="block">Create a new instance of a class with a defined factory.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">SortedMapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html#putAll-java.util.Map-">putAll</a></span>(<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;? extends <a href="../../../../../org/apache/hadoop/io/SortedMapWritable.html" title="type parameter in SortedMapWritable">K</a>,? extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;t)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#putAll-java.util.Map-">putAll</a></span>(<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;? extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>,? extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;t)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">MapWritable.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/MapWritable.html#putAll-java.util.Map-">putAll</a></span>(<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;? extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>,? extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;t)</code>&nbsp;</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/io/package-summary.html">org.apache.hadoop.io</a> with parameters of type <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayWritable.html#ArrayWritable-java.lang.Class-org.apache.hadoop.io.Writable:A-">ArrayWritable</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valueClass,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>[]&nbsp;values)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/TwoDArrayWritable.html#TwoDArrayWritable-java.lang.Class-org.apache.hadoop.io.Writable:A:A-">TwoDArrayWritable</a></span>(<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>&nbsp;valueClass,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>[][]&nbsp;values)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructor parameters in <a href="../../../../../org/apache/hadoop/io/package-summary.html">org.apache.hadoop.io</a> with type arguments of type <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayWritable.html#ArrayWritable-java.lang.Class-">ArrayWritable</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valueClass)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayWritable.html#ArrayWritable-java.lang.Class-org.apache.hadoop.io.Writable:A-">ArrayWritable</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valueClass,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>[]&nbsp;values)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayFile.Writer.html#Writer-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-java.lang.String-java.lang.Class-">Writer</a></span>(<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<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;file,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valClass)</code>
<div class="block">Create the named file for values of the named class.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/ArrayFile.Writer.html#Writer-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-java.lang.String-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.util.Progressable-">Writer</a></span>(<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<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;file,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valClass,
<a href="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a>&nbsp;compress,
<a href="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)</code>
<div class="block">Create the named file for values of the named class.</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/io/BloomMapFile.Writer.html#Writer-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-java.lang.String-java.lang.Class-java.lang.Class-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-org.apache.hadoop.util.Progressable-">Writer</a></span>(<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<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;dirName,
<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 <a href="../../../../../org/apache/hadoop/io/WritableComparable.html" title="interface in org.apache.hadoop.io">WritableComparable</a>&gt;&nbsp;keyClass,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valClass,
<a href="../../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a>&nbsp;compress,
<a href="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a>&nbsp;codec,
<a href="../../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.hadoop.ipc">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a> in org.apache.hadoop.ipc</h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in org.apache.hadoop.ipc 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/ProtocolSignature.html" title="class in org.apache.hadoop.ipc">ProtocolSignature</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink">org.apache.hadoop.ipc.RpcWritable</span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/RpcWritable.Buffer.html" title="class in org.apache.hadoop.ipc">RpcWritable.Buffer</a></span></code>
<div class="block">adapter to allow decoding of writables and protobufs from a byte buffer.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in org.apache.hadoop.ipc 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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>static &lt;T extends <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;<br><a href="../../../../../org/apache/hadoop/util/concurrent/AsyncGet.html" title="interface in org.apache.hadoop.util.concurrent">AsyncGet</a>&lt;T,<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>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">Client.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Client.html#getAsyncRpcResponse--">getAsyncRpcResponse</a></span>()</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in org.apache.hadoop.ipc 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">RPC.Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/RPC.Server.html#call-org.apache.hadoop.ipc.RPC.RpcKind-java.lang.String-org.apache.hadoop.io.Writable-long-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<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;protocol,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;rpcRequest,
long&nbsp;receiveTime)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Server.html#call-org.apache.hadoop.ipc.RPC.RpcKind-java.lang.String-org.apache.hadoop.io.Writable-long-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<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;protocol,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;param,
long&nbsp;receiveTime)</code>
<div class="block">Called for each call.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Client.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Client.html#call-org.apache.hadoop.ipc.RPC.RpcKind-org.apache.hadoop.io.Writable-org.apache.hadoop.ipc.Client.ConnectionId-java.util.concurrent.atomic.AtomicBoolean-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;rpcRequest,
org.apache.hadoop.ipc.Client.ConnectionId&nbsp;remoteId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a>&nbsp;fallbackToSimpleAuth)</code>
<div class="block">Make a call, passing <code>rpcRequest</code>, to the IPC server defined by
<code>remoteId</code>, returning the rpc respond.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Client.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Client.html#call-org.apache.hadoop.ipc.RPC.RpcKind-org.apache.hadoop.io.Writable-org.apache.hadoop.ipc.Client.ConnectionId-java.util.concurrent.atomic.AtomicBoolean-org.apache.hadoop.ipc.AlignmentContext-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;rpcRequest,
org.apache.hadoop.ipc.Client.ConnectionId&nbsp;remoteId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a>&nbsp;fallbackToSimpleAuth,
org.apache.hadoop.ipc.AlignmentContext&nbsp;alignmentContext)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Server.html#call-org.apache.hadoop.io.Writable-long-">call</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;param,
long&nbsp;receiveTime)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Use <a href="../../../../../org/apache/hadoop/ipc/Server.html#call-org.apache.hadoop.ipc.RPC.RpcKind-java.lang.String-org.apache.hadoop.io.Writable-long-"><code>Server.call(RPC.RpcKind, String,
Writable, long)</code></a> instead</span></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">ProtobufRpcEngine2.Invoker.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/ProtobufRpcEngine2.Invoker.html#constructRpcRequest-java.lang.reflect.Method-org.apache.hadoop.thirdparty.protobuf.Message-">constructRpcRequest</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>&nbsp;method,
org.apache.hadoop.thirdparty.protobuf.Message&nbsp;theRequest)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">ProtobufRpcEngine.Invoker.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/ProtobufRpcEngine.Invoker.html#constructRpcRequest-java.lang.reflect.Method-com.google.protobuf.Message-">constructRpcRequest</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>&nbsp;method,
com.google.protobuf.Message&nbsp;theRequest)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in org.apache.hadoop.ipc 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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="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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Server.html#getRpcRequestWrapper-org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcKindProto-">getRpcRequestWrapper</a></span>(<a href="../../../../../org/apache/hadoop/ipc/protobuf/RpcHeaderProtos.RpcKindProto.html" title="enum in org.apache.hadoop.ipc.protobuf">RpcHeaderProtos.RpcKindProto</a>&nbsp;rpcKind)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in org.apache.hadoop.ipc 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">RPC.Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/RPC.Server.html#call-org.apache.hadoop.ipc.RPC.RpcKind-java.lang.String-org.apache.hadoop.io.Writable-long-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<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;protocol,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;rpcRequest,
long&nbsp;receiveTime)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Server.html#call-org.apache.hadoop.ipc.RPC.RpcKind-java.lang.String-org.apache.hadoop.io.Writable-long-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<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;protocol,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;param,
long&nbsp;receiveTime)</code>
<div class="block">Called for each call.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Client.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Client.html#call-org.apache.hadoop.ipc.RPC.RpcKind-org.apache.hadoop.io.Writable-org.apache.hadoop.ipc.Client.ConnectionId-java.util.concurrent.atomic.AtomicBoolean-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;rpcRequest,
org.apache.hadoop.ipc.Client.ConnectionId&nbsp;remoteId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a>&nbsp;fallbackToSimpleAuth)</code>
<div class="block">Make a call, passing <code>rpcRequest</code>, to the IPC server defined by
<code>remoteId</code>, returning the rpc respond.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Client.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Client.html#call-org.apache.hadoop.ipc.RPC.RpcKind-org.apache.hadoop.io.Writable-org.apache.hadoop.ipc.Client.ConnectionId-java.util.concurrent.atomic.AtomicBoolean-org.apache.hadoop.ipc.AlignmentContext-">call</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;rpcRequest,
org.apache.hadoop.ipc.Client.ConnectionId&nbsp;remoteId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a>&nbsp;fallbackToSimpleAuth,
org.apache.hadoop.ipc.AlignmentContext&nbsp;alignmentContext)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></td>
<td class="colLast"><span class="typeNameLabel">Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Server.html#call-org.apache.hadoop.io.Writable-long-">call</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;param,
long&nbsp;receiveTime)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Use <a href="../../../../../org/apache/hadoop/ipc/Server.html#call-org.apache.hadoop.ipc.RPC.RpcKind-java.lang.String-org.apache.hadoop.io.Writable-long-"><code>Server.call(RPC.RpcKind, String,
Writable, long)</code></a> instead</span></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">Server.Call.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Server.Call.html#setDeferredResponse-org.apache.hadoop.io.Writable-">setDeferredResponse</a></span>(<a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&nbsp;response)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Method parameters in org.apache.hadoop.ipc 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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>static void</code></td>
<td class="colLast"><span class="typeNameLabel">Server.</span><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Server.html#registerProtocolEngine-org.apache.hadoop.ipc.RPC.RpcKind-java.lang.Class-org.apache.hadoop.ipc.RPC.RpcInvoker-">registerProtocolEngine</a></span>(<a href="../../../../../org/apache/hadoop/ipc/RPC.RpcKind.html" title="enum in org.apache.hadoop.ipc">RPC.RpcKind</a>&nbsp;rpcKind,
<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;rpcRequestWrapperClass,
org.apache.hadoop.ipc.RPC.RpcInvoker&nbsp;rpcInvoker)</code>
<div class="block">Register a RPC kind and the class to deserialize the rpc request.</div>
</td>
</tr>
</tbody>
</table>
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<caption><span>Constructor parameters in org.apache.hadoop.ipc 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</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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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/ipc/Client.html#Client-java.lang.Class-org.apache.hadoop.conf.Configuration-">Client</a></span>(<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 <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a>&gt;&nbsp;valueClass,
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<caption><span>Classes in <a href="../../../../../org/apache/hadoop/security/package-summary.html">org.apache.hadoop.security</a> that implement <a href="../../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<td class="colFirst"><code>class&nbsp;</code></td>
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<div class="block">A class that provides the facilities of reading and writing
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<td class="colFirst"><code>class&nbsp;</code></td>
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<div class="block">The client-side form of the token.</div>
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<td class="colFirst"><code>class&nbsp;</code></td>
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<caption><span>Classes in org.apache.hadoop.security.token.delegation 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/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></span><span class="tabEnd">&nbsp;</span></caption>
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<td class="colFirst"><code>class&nbsp;</code></td>
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<td class="colFirst"><code>static void</code></td>
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<td class="colFirst"><code>class&nbsp;</code></td>
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