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<div class="subTitle">org.apache.drill.exec.store.dfs</div>
<h2 title="Class DrillFSDataInputStream" class="title">Class DrillFSDataInputStream</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">java.io.InputStream</a></li>
<li>
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">java.io.FilterInputStream</a></li>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io">java.io.DataInputStream</a></li>
<li>
<ul class="inheritance">
<li>org.apache.hadoop.fs.FSDataInputStream</li>
<li>
<ul class="inheritance">
<li>org.apache.drill.exec.store.dfs.DrillFSDataInputStream</li>
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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/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</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>, org.apache.hadoop.fs.ByteBufferReadable, org.apache.hadoop.fs.CanSetDropBehind, org.apache.hadoop.fs.CanSetReadahead, org.apache.hadoop.fs.CanUnbuffer, org.apache.hadoop.fs.HasEnhancedByteBufferAccess, org.apache.hadoop.fs.HasFileDescriptor, org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable, org.apache.hadoop.fs.StreamCapabilities</dd>
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<pre>public class <span class="typeNameLabel">DrillFSDataInputStream</span>
extends org.apache.hadoop.fs.FSDataInputStream</pre>
<div class="block">Wrapper around FSDataInputStream to collect IO Stats.</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.fs.StreamCapabilities</h3>
<code>org.apache.hadoop.fs.StreamCapabilities.StreamCapability</code></li>
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<h3>Fields inherited from class&nbsp;java.io.<a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#in" title="class or interface in java.io">in</a></code></li>
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<h3>Fields inherited from interface&nbsp;org.apache.hadoop.fs.StreamCapabilities</h3>
<code>DROPBEHIND, HFLUSH, HSYNC, READAHEAD, UNBUFFER</code></li>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#DrillFSDataInputStream-org.apache.hadoop.fs.FSDataInputStream-org.apache.drill.exec.ops.OperatorStats-">DrillFSDataInputStream</a></span>(org.apache.hadoop.fs.FSDataInputStream&nbsp;in,
<a href="../../../../../../org/apache/drill/exec/ops/OperatorStats.html" title="class in org.apache.drill.exec.ops">OperatorStats</a>&nbsp;operatorStats)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#DrillFSDataInputStream-org.apache.hadoop.fs.FSDataInputStream-org.apache.drill.exec.ops.OperatorStats-org.apache.drill.exec.store.dfs.OpenFileTracker-">DrillFSDataInputStream</a></span>(org.apache.hadoop.fs.FSDataInputStream&nbsp;in,
<a href="../../../../../../org/apache/drill/exec/ops/OperatorStats.html" title="class in org.apache.drill.exec.ops">OperatorStats</a>&nbsp;operatorStats,
<a href="../../../../../../org/apache/drill/exec/store/dfs/OpenFileTracker.html" title="interface in org.apache.drill.exec.store.dfs">OpenFileTracker</a>&nbsp;openFileTracker)</code>&nbsp;</td>
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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="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></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#available--">available</a></span>()</code>&nbsp;</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/drill/exec/store/dfs/DrillFSDataInputStream.html#close--">close</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FileDescriptor.html?is-external=true" title="class or interface in java.io">FileDescriptor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#getFileDescriptor--">getFileDescriptor</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#getPos--">getPos</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#getWrappedStream--">getWrappedStream</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#mark-int-">mark</a></span>(int&nbsp;readlimit)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#markSupported--">markSupported</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#read--">read</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#read-java.nio.ByteBuffer-">read</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;buf)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#read-org.apache.hadoop.io.ByteBufferPool-int-java.util.EnumSet-">read</a></span>(org.apache.hadoop.io.ByteBufferPool&nbsp;bufferPool,
int&nbsp;maxLength,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;org.apache.hadoop.fs.ReadOption&gt;&nbsp;opts)</code>&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#read-long-byte:A-int-int-">read</a></span>(long&nbsp;position,
byte[]&nbsp;buffer,
int&nbsp;offset,
int&nbsp;length)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#readFully-long-byte:A-">readFully</a></span>(long&nbsp;position,
byte[]&nbsp;buffer)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#readFully-long-byte:A-int-int-">readFully</a></span>(long&nbsp;position,
byte[]&nbsp;buffer,
int&nbsp;offset,
int&nbsp;length)</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#releaseBuffer-java.nio.ByteBuffer-">releaseBuffer</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;buffer)</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#reset--">reset</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#seek-long-">seek</a></span>(long&nbsp;desired)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#seekToNewSource-long-">seekToNewSource</a></span>(long&nbsp;targetPos)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#setDropBehind-java.lang.Boolean-">setDropBehind</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;dropBehind)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#setReadahead-java.lang.Long-">setReadahead</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;readahead)</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#skip-long-">skip</a></span>(long&nbsp;n)</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/dfs/DrillFSDataInputStream.html#unbuffer--">unbuffer</a></span>()</code>&nbsp;</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.fs.FSDataInputStream</h3>
<code>hasCapability, read, toString</code></li>
</ul>
<ul class="blockList">
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<h3>Methods inherited from class&nbsp;java.io.<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io">DataInputStream</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#read-byte:A-" title="class or interface in java.io">read</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#read-byte:A-int-int-" title="class or interface in java.io">read</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readBoolean--" title="class or interface in java.io">readBoolean</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readByte--" title="class or interface in java.io">readByte</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readChar--" title="class or interface in java.io">readChar</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readDouble--" title="class or interface in java.io">readDouble</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readFloat--" title="class or interface in java.io">readFloat</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readFully-byte:A-" title="class or interface in java.io">readFully</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readFully-byte:A-int-int-" title="class or interface in java.io">readFully</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readInt--" title="class or interface in java.io">readInt</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readLine--" title="class or interface in java.io">readLine</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readLong--" title="class or interface in java.io">readLong</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readShort--" title="class or interface in java.io">readShort</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readUnsignedByte--" title="class or interface in java.io">readUnsignedByte</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readUnsignedShort--" title="class or interface in java.io">readUnsignedShort</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readUTF--" title="class or interface in java.io">readUTF</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#readUTF-java.io.DataInput-" title="class or interface in java.io">readUTF</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInputStream.html?is-external=true#skipBytes-int-" title="class or interface in java.io">skipBytes</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Constructor Detail</h3>
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<pre>public&nbsp;DrillFSDataInputStream(org.apache.hadoop.fs.FSDataInputStream&nbsp;in,
<a href="../../../../../../org/apache/drill/exec/ops/OperatorStats.html" title="class in org.apache.drill.exec.ops">OperatorStats</a>&nbsp;operatorStats)</pre>
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<h4>DrillFSDataInputStream</h4>
<pre>public&nbsp;DrillFSDataInputStream(org.apache.hadoop.fs.FSDataInputStream&nbsp;in,
<a href="../../../../../../org/apache/drill/exec/ops/OperatorStats.html" title="class in org.apache.drill.exec.ops">OperatorStats</a>&nbsp;operatorStats,
<a href="../../../../../../org/apache/drill/exec/store/dfs/OpenFileTracker.html" title="interface in org.apache.drill.exec.store.dfs">OpenFileTracker</a>&nbsp;openFileTracker)</pre>
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<h4>seek</h4>
<pre>public&nbsp;void&nbsp;seek(long&nbsp;desired)
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>seek</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.Seekable</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>seek</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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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<pre>public&nbsp;long&nbsp;getPos()
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>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getPos</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.Seekable</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>getPos</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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>read</h4>
<pre>public&nbsp;int&nbsp;read(long&nbsp;position,
byte[]&nbsp;buffer,
int&nbsp;offset,
int&nbsp;length)
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>read</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.PositionedReadable</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>read</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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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<pre>public&nbsp;void&nbsp;readFully(long&nbsp;position,
byte[]&nbsp;buffer,
int&nbsp;offset,
int&nbsp;length)
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>readFully</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.PositionedReadable</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>readFully</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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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<pre>public&nbsp;void&nbsp;readFully(long&nbsp;position,
byte[]&nbsp;buffer)
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>readFully</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.PositionedReadable</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>readFully</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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>seekToNewSource</h4>
<pre>public&nbsp;boolean&nbsp;seekToNewSource(long&nbsp;targetPos)
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>seekToNewSource</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.Seekable</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>seekToNewSource</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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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<pre>@InterfaceAudience.LimitedPrivate(value="HDFS")
public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;getWrappedStream()</pre>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>getWrappedStream</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</code></dd>
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<h4>read</h4>
<pre>public&nbsp;int&nbsp;read(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;buf)
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>read</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.ByteBufferReadable</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>read</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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>getFileDescriptor</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/FileDescriptor.html?is-external=true" title="class or interface in java.io">FileDescriptor</a>&nbsp;getFileDescriptor()
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>getFileDescriptor</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.HasFileDescriptor</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>getFileDescriptor</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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>setReadahead</h4>
<pre>public&nbsp;void&nbsp;setReadahead(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;readahead)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>setReadahead</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.CanSetReadahead</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>setReadahead</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code></dd>
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<pre>public&nbsp;void&nbsp;setDropBehind(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;dropBehind)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>setDropBehind</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.CanSetDropBehind</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>setDropBehind</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code></dd>
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<h4>read</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;read(org.apache.hadoop.io.ByteBufferPool&nbsp;bufferPool,
int&nbsp;maxLength,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;org.apache.hadoop.fs.ReadOption&gt;&nbsp;opts)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>read</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.HasEnhancedByteBufferAccess</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>read</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</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>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code></dd>
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<h4>releaseBuffer</h4>
<pre>public&nbsp;void&nbsp;releaseBuffer(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&nbsp;buffer)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>releaseBuffer</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.HasEnhancedByteBufferAccess</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>releaseBuffer</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</code></dd>
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<h4>read</h4>
<pre>public&nbsp;int&nbsp;read()
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">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#read--" title="class or interface in java.io">read</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</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>skip</h4>
<pre>public&nbsp;long&nbsp;skip(long&nbsp;n)
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">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#skip-long-" title="class or interface in java.io">skip</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</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>available</h4>
<pre>public&nbsp;int&nbsp;available()
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">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#available--" title="class or interface in java.io">available</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</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>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>
<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="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</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>mark</h4>
<pre>public&nbsp;void&nbsp;mark(int&nbsp;readlimit)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#mark-int-" title="class or interface in java.io">mark</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
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<h4>reset</h4>
<pre>public&nbsp;void&nbsp;reset()
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">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#reset--" title="class or interface in java.io">reset</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</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>markSupported</h4>
<pre>public&nbsp;boolean&nbsp;markSupported()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true#markSupported--" title="class or interface in java.io">markSupported</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/FilterInputStream.html?is-external=true" title="class or interface in java.io">FilterInputStream</a></code></dd>
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<h4>unbuffer</h4>
<pre>public&nbsp;void&nbsp;unbuffer()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>unbuffer</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.fs.CanUnbuffer</code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>unbuffer</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.fs.FSDataInputStream</code></dd>
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