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| <h2 title="Class TextInputFormat" class="title">Class TextInputFormat</h2> |
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| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">org.apache.hadoop.mapred.FileInputFormat</a><<a href="../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</a>,<a href="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a>></li> |
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| <li>org.apache.hadoop.mapred.TextInputFormat</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</a><<a href="../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</a>,<a href="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a>>, <a href="../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</a></dd> |
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| <br> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class <span class="typeNameLabel">TextInputFormat</span> |
| extends <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</a><<a href="../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</a>,<a href="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a>> |
| implements <a href="../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</a></pre> |
| <div class="block">An <a href="../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><code>InputFormat</code></a> for plain text files. Files are broken into lines. |
| Either linefeed or carriage-return are used to signal end of line. Keys are |
| the position in the file, and values are the line of text..</div> |
| </li> |
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| <h3>Fields inherited from class org.apache.hadoop.mapred.<a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</a></h3> |
| <code><a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#INPUT_DIR_NONRECURSIVE_IGNORE_SUBDIRS">INPUT_DIR_NONRECURSIVE_IGNORE_SUBDIRS</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#INPUT_DIR_RECURSIVE">INPUT_DIR_RECURSIVE</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#LOG">LOG</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#NUM_INPUT_FILES">NUM_INPUT_FILES</a></code></li> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapred/TextInputFormat.html#TextInputFormat--">TextInputFormat</a></span>()</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapred/TextInputFormat.html#configure-org.apache.hadoop.mapred.JobConf-">configure</a></span>(<a href="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</a> conf)</code> |
| <div class="block">Initializes a new instance from a <a href="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred"><code>JobConf</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</a><<a href="../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</a>,<a href="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapred/TextInputFormat.html#getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-">getRecordReader</a></span>(<a href="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</a> genericSplit, |
| <a href="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</a> job, |
| <a href="../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</a> reporter)</code> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><code>RecordReader</code></a> for the given <a href="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><code>InputSplit</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapred/TextInputFormat.html#isSplitable-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">isSplitable</a></span>(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> file)</code> |
| <div class="block">Is the given filename splittable? Usually, true, but if the file is |
| stream compressed, it will not be.</div> |
| </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.mapred.FileInputFormat"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.hadoop.mapred.<a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</a></h3> |
| <code><a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPath-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.fs.Path-">addInputPath</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPathRecursively-java.util.List-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.PathFilter-">addInputPathRecursively</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#addInputPaths-org.apache.hadoop.mapred.JobConf-java.lang.String-">addInputPaths</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#computeSplitSize-long-long-long-">computeSplitSize</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getBlockIndex-org.apache.hadoop.fs.BlockLocation:A-long-">getBlockIndex</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPathFilter-org.apache.hadoop.mapred.JobConf-">getInputPathFilter</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getInputPaths-org.apache.hadoop.mapred.JobConf-">getInputPaths</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplitHosts-org.apache.hadoop.fs.BlockLocation:A-long-long-org.apache.hadoop.net.NetworkTopology-">getSplitHosts</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#getSplits-org.apache.hadoop.mapred.JobConf-int-">getSplits</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#listStatus-org.apache.hadoop.mapred.JobConf-">listStatus</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#makeSplit-org.apache.hadoop.fs.Path-long-long-java.lang.String:A-">makeSplit</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#makeSplit-org.apache.hadoop.fs.Path-long-long-java.lang.String:A-java.lang.String:A-">makeSplit</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPathFilter-org.apache.hadoop.mapred.JobConf-java.lang.Class-">setInputPathFilter</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.fs.Path...-">setInputPaths</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setInputPaths-org.apache.hadoop.mapred.JobConf-java.lang.String-">setInputPaths</a>, <a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#setMinSplitSize-long-">setMinSplitSize</a></code></li> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="TextInputFormat--"> |
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| </a> |
| <ul class="blockListLast"> |
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| <h4>TextInputFormat</h4> |
| <pre>public TextInputFormat()</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <li class="blockList"><a name="method.detail"> |
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| <h3>Method Detail</h3> |
| <a name="configure-org.apache.hadoop.mapred.JobConf-"> |
| <!-- --> |
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| <li class="blockList"> |
| <h4>configure</h4> |
| <pre>public void configure(<a href="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</a> conf)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/hadoop/mapred/JobConfigurable.html#configure-org.apache.hadoop.mapred.JobConf-">JobConfigurable</a></code></span></div> |
| <div class="block">Initializes a new instance from a <a href="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred"><code>JobConf</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/hadoop/mapred/JobConfigurable.html#configure-org.apache.hadoop.mapred.JobConf-">configure</a></code> in interface <code><a href="../../../../org/apache/hadoop/mapred/JobConfigurable.html" title="interface in org.apache.hadoop.mapred">JobConfigurable</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the configuration</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isSplitable-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-"> |
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| </a> |
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| <h4>isSplitable</h4> |
| <pre>protected boolean isSplitable(<a href="../../../../org/apache/hadoop/fs/FileSystem.html" title="class in org.apache.hadoop.fs">FileSystem</a> fs, |
| <a href="../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</a> file)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#isSplitable-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">FileInputFormat</a></code></span></div> |
| <div class="block">Is the given filename splittable? Usually, true, but if the file is |
| stream compressed, it will not be. |
| |
| The default implementation in <code>FileInputFormat</code> always returns |
| true. Implementations that may deal with non-splittable files <i>must</i> |
| override this method. |
| |
| <code>FileInputFormat</code> implementations can override this and return |
| <code>false</code> to ensure that individual input files are never split-up |
| so that <a href="../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><code>Mapper</code></a>s process entire files.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html#isSplitable-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">isSplitable</a></code> in class <code><a href="../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat</a><<a href="../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</a>,<a href="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - the file system that the file is on</dd> |
| <dd><code>file</code> - the file name to check</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>is this file splitable?</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-"> |
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| </a> |
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| <h4>getRecordReader</h4> |
| <pre>public <a href="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred">RecordReader</a><<a href="../../../../org/apache/hadoop/io/LongWritable.html" title="class in org.apache.hadoop.io">LongWritable</a>,<a href="../../../../org/apache/hadoop/io/Text.html" title="class in org.apache.hadoop.io">Text</a>> getRecordReader(<a href="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred">InputSplit</a> genericSplit, |
| <a href="../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</a> job, |
| <a href="../../../../org/apache/hadoop/mapred/Reporter.html" title="interface in org.apache.hadoop.mapred">Reporter</a> reporter) |
| 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: <code><a href="../../../../org/apache/hadoop/mapred/InputFormat.html#getRecordReader-org.apache.hadoop.mapred.InputSplit-org.apache.hadoop.mapred.JobConf-org.apache.hadoop.mapred.Reporter-">InputFormat</a></code></span></div> |
| <div class="block">Get the <a href="../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><code>RecordReader</code></a> for the given <a href="../../../../org/apache/hadoop/mapred/InputSplit.html" title="interface in org.apache.hadoop.mapred"><code>InputSplit</code></a>. |
| |
| <p>It is the responsibility of the <code>RecordReader</code> to respect |
| record boundaries while processing the logical split to present a |
| record-oriented view to the individual task.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
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