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<div class="subTitle">org.apache.hadoop.io</div>
<h2 title="Class SequenceFile.Writer" class="title">Class SequenceFile.Writer</h2>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html?is-external=true" title="class or interface in java.io">Flushable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs">StreamCapabilities</a>, <a href="../../../../org/apache/hadoop/fs/Syncable.html" title="interface in org.apache.hadoop.fs">Syncable</a></dd>
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<dd><a href="../../../../org/apache/hadoop/io/SequenceFile.html" title="class in org.apache.hadoop.io">SequenceFile</a></dd>
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<pre>public static class <span class="typeNameLabel">SequenceFile.Writer</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="../../../../org/apache/hadoop/fs/Syncable.html" title="interface in org.apache.hadoop.fs">Syncable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html?is-external=true" title="class or interface in java.io">Flushable</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs">StreamCapabilities</a></pre>
<div class="block">Write key/value pairs to a sequence-format file.</div>
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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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<tr class="altColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></span></code>&nbsp;</td>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.fs.<a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs">StreamCapabilities</a></h3>
<code><a href="../../../../org/apache/hadoop/fs/StreamCapabilities.StreamCapability.html" title="enum in org.apache.hadoop.fs">StreamCapabilities.StreamCapability</a></code></li>
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<td class="colFirst"><code>protected org.apache.hadoop.io.serializer.Serializer</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#compressedValSerializer">compressedValSerializer</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected org.apache.hadoop.io.serializer.Serializer</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#keySerializer">keySerializer</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected org.apache.hadoop.io.serializer.Serializer</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#uncompressedValSerializer">uncompressedValSerializer</a></span></code>&nbsp;</td>
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<h3>Fields inherited from interface&nbsp;org.apache.hadoop.fs.<a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs">StreamCapabilities</a></h3>
<code><a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#ABORTABLE_STREAM">ABORTABLE_STREAM</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#DROPBEHIND">DROPBEHIND</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#HFLUSH">HFLUSH</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#HSYNC">HSYNC</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#IOSTATISTICS">IOSTATISTICS</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#PREADBYTEBUFFER">PREADBYTEBUFFER</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#READAHEAD">READAHEAD</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#READBYTEBUFFER">READBYTEBUFFER</a>, <a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#UNBUFFER">UNBUFFER</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#Writer-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-">Writer</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/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&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>&nbsp;valClass)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Use
<a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>SequenceFile.createWriter(Configuration, Writer.Option...)</code></a>
instead.</span></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#Writer-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-int-short-long-org.apache.hadoop.util.Progressable-org.apache.hadoop.io.SequenceFile.Metadata-">Writer</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/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&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>&nbsp;valClass,
int&nbsp;bufferSize,
short&nbsp;replication,
long&nbsp;blockSize,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress,
<a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a>&nbsp;metadata)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Use
<a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>SequenceFile.createWriter(Configuration, Writer.Option...)</code></a>
instead.</span></div>
</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#Writer-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.util.Progressable-org.apache.hadoop.io.SequenceFile.Metadata-">Writer</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/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&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>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress,
<a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a>&nbsp;metadata)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Use
<a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>SequenceFile.createWriter(Configuration, Writer.Option...)</code></a>
instead.</span></div>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#append-java.lang.Object-java.lang.Object-">append</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,
<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;val)</code>
<div class="block">Append a key/value pair.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><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 id="i2" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#appendIfExists-boolean-">appendIfExists</a></span>(boolean&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#appendRaw-byte:A-int-int-org.apache.hadoop.io.SequenceFile.ValueBytes-">appendRaw</a></span>(byte[]&nbsp;keyData,
int&nbsp;keyOffset,
int&nbsp;keyLength,
<a href="../../../../org/apache/hadoop/io/SequenceFile.ValueBytes.html" title="interface in org.apache.hadoop.io">SequenceFile.ValueBytes</a>&nbsp;val)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#blockSize-long-">blockSize</a></span>(long&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#bufferSize-int-">bufferSize</a></span>(int&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#close--">close</a></span>()</code>
<div class="block">Close the file.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#compression-org.apache.hadoop.io.SequenceFile.CompressionType-">compression</a></span>(<a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a>&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#compression-org.apache.hadoop.io.SequenceFile.CompressionType-org.apache.hadoop.io.compress.CompressionCodec-">compression</a></span>(<a href="../../../../org/apache/hadoop/io/SequenceFile.CompressionType.html" title="enum in org.apache.hadoop.io">SequenceFile.CompressionType</a>&nbsp;value,
<a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a>&nbsp;codec)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#file-org.apache.hadoop.fs.Path-">file</a></span>(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#flush--">flush</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress">CompressionCodec</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#getCompressionCodec--">getCompressionCodec</a></span>()</code>
<div class="block">Returns the compression codec of data in this file.</div>
</td>
</tr>
<tr id="i12" 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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#getKeyClass--">getKeyClass</a></span>()</code>
<div class="block">Returns the class of keys in this file.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#getLength--">getLength</a></span>()</code>
<div class="block">Returns the current length of the output file.</div>
</td>
</tr>
<tr id="i14" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#hasCapability-java.lang.String-">hasCapability</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;capability)</code>
<div class="block">Query the stream for a specific capability.</div>
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<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
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<div class="block">Flush out the data in client's user buffer.</div>
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<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
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<div class="block">Similar to posix fsync, flush out the data in client's user buffer
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</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#keyClass-java.lang.Class-">keyClass</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;?&gt;&nbsp;value)</code>&nbsp;</td>
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<tr id="i19" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#metadata-org.apache.hadoop.io.SequenceFile.Metadata-">metadata</a></span>(<a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a>&nbsp;value)</code>&nbsp;</td>
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<tr id="i21" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
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<tr id="i22" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#stream-org.apache.hadoop.fs.FSDataOutputStream-">stream</a></span>(<a href="../../../../org/apache/hadoop/fs/FSDataOutputStream.html" title="class in org.apache.hadoop.fs">FSDataOutputStream</a>&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
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<div class="block">create a sync point</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#syncFs--">syncFs</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
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</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#syncInterval-int-">syncInterval</a></span>(int&nbsp;value)</code>&nbsp;</td>
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<tr id="i26" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#valueClass-java.lang.Class-">valueClass</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;?&gt;&nbsp;value)</code>&nbsp;</td>
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public&nbsp;Writer(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<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/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;name,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&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>&nbsp;valClass)
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<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Use
<a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>SequenceFile.createWriter(Configuration, Writer.Option...)</code></a>
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<div class="block">Create the named file.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<a name="Writer-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-java.lang.Class-java.lang.Class-org.apache.hadoop.util.Progressable-org.apache.hadoop.io.SequenceFile.Metadata-">
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;Writer(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
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<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;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>&nbsp;valClass,
<a href="../../../../org/apache/hadoop/util/Progressable.html" title="interface in org.apache.hadoop.util">Progressable</a>&nbsp;progress,
<a href="../../../../org/apache/hadoop/io/SequenceFile.Metadata.html" title="class in org.apache.hadoop.io">SequenceFile.Metadata</a>&nbsp;metadata)
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<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Use
<a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>SequenceFile.createWriter(Configuration, Writer.Option...)</code></a>
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<div class="block">Create the named file with write-progress reporter.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;Writer(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a>&nbsp;fs,
<a href="../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
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<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;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>&nbsp;valClass,
int&nbsp;bufferSize,
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<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Use
<a href="../../../../org/apache/hadoop/io/SequenceFile.html#createWriter-org.apache.hadoop.conf.Configuration-org.apache.hadoop.io.SequenceFile.Writer.Option...-"><code>SequenceFile.createWriter(Configuration, Writer.Option...)</code></a>
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<div class="block">Create the named file with write-progress reporter.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>file</h4>
<pre>public static&nbsp;<a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.Option.html" title="interface in org.apache.hadoop.io">SequenceFile.Writer.Option</a>&nbsp;file(<a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a>&nbsp;value)</pre>
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<h4>getValueClass</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&nbsp;getValueClass()</pre>
<div class="block">Returns the class of values in this file.</div>
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<pre>public&nbsp;void&nbsp;sync()
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<div class="block">create a sync point</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>syncFs</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;void&nbsp;syncFs()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Use <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#hsync--"><code>hsync()</code></a> or <a href="../../../../org/apache/hadoop/io/SequenceFile.Writer.html#hflush--"><code>hflush()</code></a> instead</span></div>
<div class="block">flush all currently written data to the file system</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>hsync</h4>
<pre>public&nbsp;void&nbsp;hsync()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/Syncable.html#hsync--">Syncable</a></code></span></div>
<div class="block">Similar to posix fsync, flush out the data in client's user buffer
all the way to the disk device (but the disk may have it in its cache).</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/Syncable.html#hsync--">hsync</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/hadoop/fs/Syncable.html" title="interface in org.apache.hadoop.fs">Syncable</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if error occurs</dd>
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<h4>hflush</h4>
<pre>public&nbsp;void&nbsp;hflush()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/Syncable.html#hflush--">Syncable</a></code></span></div>
<div class="block">Flush out the data in client's user buffer. After the return of
this call, new readers will see the data.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/Syncable.html#hflush--">hflush</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/hadoop/fs/Syncable.html" title="interface in org.apache.hadoop.fs">Syncable</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if any error occurs</dd>
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<h4>flush</h4>
<pre>public&nbsp;void&nbsp;flush()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html?is-external=true#flush--" title="class or interface in java.io">flush</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Flushable.html?is-external=true" title="class or interface in java.io">Flushable</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>hasCapability</h4>
<pre>public&nbsp;boolean&nbsp;hasCapability(<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;capability)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#hasCapability-java.lang.String-">StreamCapabilities</a></code></span></div>
<div class="block">Query the stream for a specific capability.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html#hasCapability-java.lang.String-">hasCapability</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/hadoop/fs/StreamCapabilities.html" title="interface in org.apache.hadoop.fs">StreamCapabilities</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>capability</code> - string to query the stream support for.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>True if the stream supports capability.</dd>
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<h4>close</h4>
<pre>public&nbsp;void&nbsp;close()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Close the file.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>append</h4>
<pre>public&nbsp;void&nbsp;append(<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)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Append a key/value pair.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>public&nbsp;void&nbsp;append(<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,
<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;val)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Append a key/value pair.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>appendRaw</h4>
<pre>public&nbsp;void&nbsp;appendRaw(byte[]&nbsp;keyData,
int&nbsp;keyOffset,
int&nbsp;keyLength,
<a href="../../../../org/apache/hadoop/io/SequenceFile.ValueBytes.html" title="interface in org.apache.hadoop.io">SequenceFile.ValueBytes</a>&nbsp;val)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>public&nbsp;long&nbsp;getLength()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Returns the current length of the output file.
<p>This always returns a synchronized position. In other words,
immediately after calling <a href="../../../../org/apache/hadoop/io/SequenceFile.Reader.html#seek-long-"><code>SequenceFile.Reader.seek(long)</code></a> with a position
returned by this method, <a href="../../../../org/apache/hadoop/io/SequenceFile.Reader.html#next-org.apache.hadoop.io.Writable-"><code>SequenceFile.Reader.next(Writable)</code></a> may be called. However
the key may be earlier in the file than key last written when this
method was called (e.g., with block-compression, it may be the first key
in the block that was being written when this method was called).</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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