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Posted to commits@spark.apache.org by sr...@apache.org on 2018/02/28 18:49:13 UTC
[07/51] [partial] spark-website git commit: Apache Spark 2.3.0
Release: Generated Docs
http://git-wip-us.apache.org/repos/asf/spark-website/blob/26c57a24/site/docs/2.3.0/api/java/org/apache/spark/api/java/JavaSparkContext.html
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+<title>JavaSparkContext (Spark 2.3.0 JavaDoc)</title>
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+<div class="header">
+<div class="subTitle">org.apache.spark.api.java</div>
+<h2 title="Class JavaSparkContext" class="title">Class JavaSparkContext</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.spark.api.java.JavaSparkContext</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>java.io.Closeable, AutoCloseable</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="typeNameLabel">JavaSparkContext</span>
+extends Object
+implements java.io.Closeable</pre>
+<div class="block">A Java-friendly version of <a href="../../../../../org/apache/spark/SparkContext.html" title="class in org.apache.spark"><code>SparkContext</code></a> that returns
+ <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java"><code>JavaRDD</code></a>s and works with Java collections instead of Scala ones.
+ <p>
+ Only one SparkContext may be active per JVM. You must <code>stop()</code> the active SparkContext before
+ creating a new one. This limitation may eventually be removed; see SPARK-2243 for more details.</div>
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+<caption><span>Constructors</span><span class="tabEnd"> </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/spark/api/java/JavaSparkContext.html#JavaSparkContext--">JavaSparkContext</a></span>()</code>
+<div class="block">Create a JavaSparkContext that loads settings from system properties (for instance, when
+ launching with ./bin/spark-submit).</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#JavaSparkContext-org.apache.spark.SparkConf-">JavaSparkContext</a></span>(<a href="../../../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a> conf)</code> </td>
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+ String appName,
+ String sparkHome,
+ String jarFile)</code> </td>
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+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
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+<td class="colFirst"><code><T,R> <a href="../../../../../org/apache/spark/Accumulable.html" title="class in org.apache.spark">Accumulable</a><T,R></code></td>
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+ <a href="../../../../../org/apache/spark/AccumulableParam.html" title="interface in org.apache.spark">AccumulableParam</a><T,R> param)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code><T,R> <a href="../../../../../org/apache/spark/Accumulable.html" title="class in org.apache.spark">Accumulable</a><T,R></code></td>
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+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
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+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Double></code></td>
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+<div class="block"><span class="deprecationComment">use sc().doubleAccumulator(). Since 2.0.0.</span></div>
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+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Double></code></td>
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+ String name)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use sc().doubleAccumulator(String). Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i4" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Integer></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#accumulator-int-">accumulator</a></span>(int initialValue)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use sc().longAccumulator(). Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i5" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Integer></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#accumulator-int-java.lang.String-">accumulator</a></span>(int initialValue,
+ String name)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use sc().longAccumulator(String). Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i6" class="altColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#accumulator-T-org.apache.spark.AccumulatorParam-">accumulator</a></span>(T initialValue,
+ <a href="../../../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a><T> accumulatorParam)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i7" class="rowColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#accumulator-T-java.lang.String-org.apache.spark.AccumulatorParam-">accumulator</a></span>(T initialValue,
+ String name,
+ <a href="../../../../../org/apache/spark/AccumulatorParam.html" title="interface in org.apache.spark">AccumulatorParam</a><T> accumulatorParam)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use AccumulatorV2. Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i8" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#addFile-java.lang.String-">addFile</a></span>(String path)</code>
+<div class="block">Add a file to be downloaded with this Spark job on every node.</div>
+</td>
+</tr>
+<tr id="i9" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#addFile-java.lang.String-boolean-">addFile</a></span>(String path,
+ boolean recursive)</code>
+<div class="block">Add a file to be downloaded with this Spark job on every node.</div>
+</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/spark/api/java/JavaSparkContext.html#addJar-java.lang.String-">addJar</a></span>(String path)</code>
+<div class="block">Adds a JAR dependency for all tasks to be executed on this SparkContext in the future.</div>
+</td>
+</tr>
+<tr id="i11" class="rowColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#appName--">appName</a></span>()</code> </td>
+</tr>
+<tr id="i12" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><String,<a href="../../../../../org/apache/spark/input/PortableDataStream.html" title="class in org.apache.spark.input">PortableDataStream</a>></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#binaryFiles-java.lang.String-">binaryFiles</a></span>(String path)</code>
+<div class="block">Read a directory of binary files from HDFS, a local file system (available on all nodes),
+ or any Hadoop-supported file system URI as a byte array.</div>
+</td>
+</tr>
+<tr id="i13" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><String,<a href="../../../../../org/apache/spark/input/PortableDataStream.html" title="class in org.apache.spark.input">PortableDataStream</a>></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#binaryFiles-java.lang.String-int-">binaryFiles</a></span>(String path,
+ int minPartitions)</code>
+<div class="block">Read a directory of binary files from HDFS, a local file system (available on all nodes),
+ or any Hadoop-supported file system URI as a byte array.</div>
+</td>
+</tr>
+<tr id="i14" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><byte[]></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#binaryRecords-java.lang.String-int-">binaryRecords</a></span>(String path,
+ int recordLength)</code>
+<div class="block">Load data from a flat binary file, assuming the length of each record is constant.</div>
+</td>
+</tr>
+<tr id="i15" class="rowColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/broadcast/Broadcast.html" title="class in org.apache.spark.broadcast">Broadcast</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#broadcast-T-">broadcast</a></span>(T value)</code>
+<div class="block">Broadcast a read-only variable to the cluster, returning a
+ <a href="../../../../../org/apache/spark/broadcast/Broadcast.html" title="class in org.apache.spark.broadcast"><code>Broadcast</code></a> object for reading it in distributed functions.</div>
+</td>
+</tr>
+<tr id="i16" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#cancelAllJobs--">cancelAllJobs</a></span>()</code>
+<div class="block">Cancel all jobs that have been scheduled or are running.</div>
+</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/spark/api/java/JavaSparkContext.html#cancelJobGroup-java.lang.String-">cancelJobGroup</a></span>(String groupId)</code>
+<div class="block">Cancel active jobs for the specified group.</div>
+</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/spark/api/java/JavaSparkContext.html#clearCallSite--">clearCallSite</a></span>()</code>
+<div class="block">Pass-through to SparkContext.setCallSite.</div>
+</td>
+</tr>
+<tr id="i19" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#clearJobGroup--">clearJobGroup</a></span>()</code>
+<div class="block">Clear the current thread's job group ID and its description.</div>
+</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/spark/api/java/JavaSparkContext.html#close--">close</a></span>()</code> </td>
+</tr>
+<tr id="i21" class="rowColor">
+<td class="colFirst"><code>Integer</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#defaultMinPartitions--">defaultMinPartitions</a></span>()</code>
+<div class="block">Default min number of partitions for Hadoop RDDs when not given by user</div>
+</td>
+</tr>
+<tr id="i22" class="altColor">
+<td class="colFirst"><code>Integer</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#defaultParallelism--">defaultParallelism</a></span>()</code>
+<div class="block">Default level of parallelism to use when not given by user (e.g.</div>
+</td>
+</tr>
+<tr id="i23" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Double></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#doubleAccumulator-double-">doubleAccumulator</a></span>(double initialValue)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use sc().doubleAccumulator(). Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i24" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Double></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#doubleAccumulator-double-java.lang.String-">doubleAccumulator</a></span>(double initialValue,
+ String name)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use sc().doubleAccumulator(String). Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i25" class="rowColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#emptyRDD--">emptyRDD</a></span>()</code>
+<div class="block">Get an RDD that has no partitions or elements.</div>
+</td>
+</tr>
+<tr id="i26" class="altColor">
+<td class="colFirst"><code>static <a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html" title="class in org.apache.spark.api.java">JavaSparkContext</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#fromSparkContext-org.apache.spark.SparkContext-">fromSparkContext</a></span>(<a href="../../../../../org/apache/spark/SparkContext.html" title="class in org.apache.spark">SparkContext</a> sc)</code> </td>
+</tr>
+<tr id="i27" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/Optional.html" title="class in org.apache.spark.api.java">Optional</a><String></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#getCheckpointDir--">getCheckpointDir</a></span>()</code> </td>
+</tr>
+<tr id="i28" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/SparkConf.html" title="class in org.apache.spark">SparkConf</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#getConf--">getConf</a></span>()</code>
+<div class="block">Return a copy of this JavaSparkContext's configuration.</div>
+</td>
+</tr>
+<tr id="i29" class="rowColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#getLocalProperty-java.lang.String-">getLocalProperty</a></span>(String key)</code>
+<div class="block">Get a local property set in this thread, or null if it is missing.</div>
+</td>
+</tr>
+<tr id="i30" class="altColor">
+<td class="colFirst"><code>java.util.Map<Integer,<a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><?>></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#getPersistentRDDs--">getPersistentRDDs</a></span>()</code>
+<div class="block">Returns a Java map of JavaRDDs that have marked themselves as persistent via cache() call.</div>
+</td>
+</tr>
+<tr id="i31" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/Optional.html" title="class in org.apache.spark.api.java">Optional</a><String></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#getSparkHome--">getSparkHome</a></span>()</code>
+<div class="block">Get Spark's home location from either a value set through the constructor,
+ or the spark.home Java property, or the SPARK_HOME environment variable
+ (in that order of preference).</div>
+</td>
+</tr>
+<tr id="i32" class="altColor">
+<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#hadoopConfiguration--">hadoopConfiguration</a></span>()</code>
+<div class="block">Returns the Hadoop configuration used for the Hadoop code (e.g.</div>
+</td>
+</tr>
+<tr id="i33" class="rowColor">
+<td class="colFirst"><code><K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>><br><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#hadoopFile-java.lang.String-java.lang.Class-java.lang.Class-java.lang.Class-">hadoopFile</a></span>(String path,
+ Class<F> inputFormatClass,
+ Class<K> keyClass,
+ Class<V> valueClass)</code>
+<div class="block">Get an RDD for a Hadoop file with an arbitrary InputFormat</div>
+</td>
+</tr>
+<tr id="i34" class="altColor">
+<td class="colFirst"><code><K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>><br><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#hadoopFile-java.lang.String-java.lang.Class-java.lang.Class-java.lang.Class-int-">hadoopFile</a></span>(String path,
+ Class<F> inputFormatClass,
+ Class<K> keyClass,
+ Class<V> valueClass,
+ int minPartitions)</code>
+<div class="block">Get an RDD for a Hadoop file with an arbitrary InputFormat.</div>
+</td>
+</tr>
+<tr id="i35" class="rowColor">
+<td class="colFirst"><code><K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>><br><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#hadoopRDD-org.apache.hadoop.mapred.JobConf-java.lang.Class-java.lang.Class-java.lang.Class-">hadoopRDD</a></span>(org.apache.hadoop.mapred.JobConf conf,
+ Class<F> inputFormatClass,
+ Class<K> keyClass,
+ Class<V> valueClass)</code>
+<div class="block">Get an RDD for a Hadoop-readable dataset from a Hadoop JobConf giving its InputFormat and any
+ other necessary info (e.g.</div>
+</td>
+</tr>
+<tr id="i36" class="altColor">
+<td class="colFirst"><code><K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>><br><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#hadoopRDD-org.apache.hadoop.mapred.JobConf-java.lang.Class-java.lang.Class-java.lang.Class-int-">hadoopRDD</a></span>(org.apache.hadoop.mapred.JobConf conf,
+ Class<F> inputFormatClass,
+ Class<K> keyClass,
+ Class<V> valueClass,
+ int minPartitions)</code>
+<div class="block">Get an RDD for a Hadoop-readable dataset from a Hadoop JobConf giving its InputFormat and any
+ other necessary info (e.g.</div>
+</td>
+</tr>
+<tr id="i37" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Integer></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#intAccumulator-int-">intAccumulator</a></span>(int initialValue)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use sc().longAccumulator(). Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i38" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/Accumulator.html" title="class in org.apache.spark">Accumulator</a><Integer></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#intAccumulator-int-java.lang.String-">intAccumulator</a></span>(int initialValue,
+ String name)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>
+<div class="block"><span class="deprecationComment">use sc().longAccumulator(String). Since 2.0.0.</span></div>
+</div>
+</td>
+</tr>
+<tr id="i39" class="rowColor">
+<td class="colFirst"><code>Boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#isLocal--">isLocal</a></span>()</code> </td>
+</tr>
+<tr id="i40" class="altColor">
+<td class="colFirst"><code>static String[]</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#jarOfClass-java.lang.Class-">jarOfClass</a></span>(Class<?> cls)</code>
+<div class="block">Find the JAR from which a given class was loaded, to make it easy for users to pass
+ their JARs to SparkContext.</div>
+</td>
+</tr>
+<tr id="i41" class="rowColor">
+<td class="colFirst"><code>static String[]</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#jarOfObject-java.lang.Object-">jarOfObject</a></span>(Object obj)</code>
+<div class="block">Find the JAR that contains the class of a particular object, to make it easy for users
+ to pass their JARs to SparkContext.</div>
+</td>
+</tr>
+<tr id="i42" class="altColor">
+<td class="colFirst"><code>java.util.List<String></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#jars--">jars</a></span>()</code> </td>
+</tr>
+<tr id="i43" class="rowColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#master--">master</a></span>()</code> </td>
+</tr>
+<tr id="i44" class="altColor">
+<td class="colFirst"><code><K,V,F extends org.apache.hadoop.mapreduce.InputFormat<K,V>><br><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#newAPIHadoopFile-java.lang.String-java.lang.Class-java.lang.Class-java.lang.Class-org.apache.hadoop.conf.Configuration-">newAPIHadoopFile</a></span>(String path,
+ Class<F> fClass,
+ Class<K> kClass,
+ Class<V> vClass,
+ org.apache.hadoop.conf.Configuration conf)</code>
+<div class="block">Get an RDD for a given Hadoop file with an arbitrary new API InputFormat
+ and extra configuration options to pass to the input format.</div>
+</td>
+</tr>
+<tr id="i45" class="rowColor">
+<td class="colFirst"><code><K,V,F extends org.apache.hadoop.mapreduce.InputFormat<K,V>><br><a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#newAPIHadoopRDD-org.apache.hadoop.conf.Configuration-java.lang.Class-java.lang.Class-java.lang.Class-">newAPIHadoopRDD</a></span>(org.apache.hadoop.conf.Configuration conf,
+ Class<F> fClass,
+ Class<K> kClass,
+ Class<V> vClass)</code>
+<div class="block">Get an RDD for a given Hadoop file with an arbitrary new API InputFormat
+ and extra configuration options to pass to the input format.</div>
+</td>
+</tr>
+<tr id="i46" class="altColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#objectFile-java.lang.String-">objectFile</a></span>(String path)</code>
+<div class="block">Load an RDD saved as a SequenceFile containing serialized objects, with NullWritable keys and
+ BytesWritable values that contain a serialized partition.</div>
+</td>
+</tr>
+<tr id="i47" class="rowColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#objectFile-java.lang.String-int-">objectFile</a></span>(String path,
+ int minPartitions)</code>
+<div class="block">Load an RDD saved as a SequenceFile containing serialized objects, with NullWritable keys and
+ BytesWritable values that contain a serialized partition.</div>
+</td>
+</tr>
+<tr id="i48" class="altColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#parallelize-java.util.List-">parallelize</a></span>(java.util.List<T> list)</code>
+<div class="block">Distribute a local Scala collection to form an RDD.</div>
+</td>
+</tr>
+<tr id="i49" class="rowColor">
+<td class="colFirst"><code><T> <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><T></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#parallelize-java.util.List-int-">parallelize</a></span>(java.util.List<T> list,
+ int numSlices)</code>
+<div class="block">Distribute a local Scala collection to form an RDD.</div>
+</td>
+</tr>
+<tr id="i50" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/JavaDoubleRDD.html" title="class in org.apache.spark.api.java">JavaDoubleRDD</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#parallelizeDoubles-java.util.List-">parallelizeDoubles</a></span>(java.util.List<Double> list)</code>
+<div class="block">Distribute a local Scala collection to form an RDD.</div>
+</td>
+</tr>
+<tr id="i51" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/JavaDoubleRDD.html" title="class in org.apache.spark.api.java">JavaDoubleRDD</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#parallelizeDoubles-java.util.List-int-">parallelizeDoubles</a></span>(java.util.List<Double> list,
+ int numSlices)</code>
+<div class="block">Distribute a local Scala collection to form an RDD.</div>
+</td>
+</tr>
+<tr id="i52" class="altColor">
+<td class="colFirst"><code><K,V> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#parallelizePairs-java.util.List-">parallelizePairs</a></span>(java.util.List<scala.Tuple2<K,V>> list)</code>
+<div class="block">Distribute a local Scala collection to form an RDD.</div>
+</td>
+</tr>
+<tr id="i53" class="rowColor">
+<td class="colFirst"><code><K,V> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#parallelizePairs-java.util.List-int-">parallelizePairs</a></span>(java.util.List<scala.Tuple2<K,V>> list,
+ int numSlices)</code>
+<div class="block">Distribute a local Scala collection to form an RDD.</div>
+</td>
+</tr>
+<tr id="i54" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/SparkContext.html" title="class in org.apache.spark">SparkContext</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#sc--">sc</a></span>()</code> </td>
+</tr>
+<tr id="i55" class="rowColor">
+<td class="colFirst"><code><K,V> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#sequenceFile-java.lang.String-java.lang.Class-java.lang.Class-">sequenceFile</a></span>(String path,
+ Class<K> keyClass,
+ Class<V> valueClass)</code>
+<div class="block">Get an RDD for a Hadoop SequenceFile.</div>
+</td>
+</tr>
+<tr id="i56" class="altColor">
+<td class="colFirst"><code><K,V> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V></code></td>
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+ Class<K> keyClass,
+ Class<V> valueClass,
+ int minPartitions)</code>
+<div class="block">Get an RDD for a Hadoop SequenceFile with given key and value types.</div>
+</td>
+</tr>
+<tr id="i57" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#setCallSite-java.lang.String-">setCallSite</a></span>(String site)</code>
+<div class="block">Pass-through to SparkContext.setCallSite.</div>
+</td>
+</tr>
+<tr id="i58" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#setCheckpointDir-java.lang.String-">setCheckpointDir</a></span>(String dir)</code>
+<div class="block">Set the directory under which RDDs are going to be checkpointed.</div>
+</td>
+</tr>
+<tr id="i59" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#setJobDescription-java.lang.String-">setJobDescription</a></span>(String value)</code>
+<div class="block">Set a human readable description of the current job.</div>
+</td>
+</tr>
+<tr id="i60" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#setJobGroup-java.lang.String-java.lang.String-">setJobGroup</a></span>(String groupId,
+ String description)</code>
+<div class="block">Assigns a group ID to all the jobs started by this thread until the group ID is set to a
+ different value or cleared.</div>
+</td>
+</tr>
+<tr id="i61" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#setJobGroup-java.lang.String-java.lang.String-boolean-">setJobGroup</a></span>(String groupId,
+ String description,
+ boolean interruptOnCancel)</code>
+<div class="block">Assigns a group ID to all the jobs started by this thread until the group ID is set to a
+ different value or cleared.</div>
+</td>
+</tr>
+<tr id="i62" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#setLocalProperty-java.lang.String-java.lang.String-">setLocalProperty</a></span>(String key,
+ String value)</code>
+<div class="block">Set a local property that affects jobs submitted from this thread, and all child
+ threads, such as the Spark fair scheduler pool.</div>
+</td>
+</tr>
+<tr id="i63" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#setLogLevel-java.lang.String-">setLogLevel</a></span>(String logLevel)</code>
+<div class="block">Control our logLevel.</div>
+</td>
+</tr>
+<tr id="i64" class="altColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#sparkUser--">sparkUser</a></span>()</code> </td>
+</tr>
+<tr id="i65" class="rowColor">
+<td class="colFirst"><code>Long</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#startTime--">startTime</a></span>()</code> </td>
+</tr>
+<tr id="i66" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/JavaSparkStatusTracker.html" title="class in org.apache.spark.api.java">JavaSparkStatusTracker</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#statusTracker--">statusTracker</a></span>()</code> </td>
+</tr>
+<tr id="i67" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#stop--">stop</a></span>()</code>
+<div class="block">Shut down the SparkContext.</div>
+</td>
+</tr>
+<tr id="i68" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><String></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/spark/api/java/JavaSparkContext.html#textFile-java.lang.String-">textFile</a></span>(String path)</code>
+<div class="block">Read a text file from HDFS, a local file system (available on all nodes), or any
+ Hadoop-supported file system URI, and return it as an RDD of Strings.</div>
+</td>
+</tr>
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+<dd>(undocumented)</dd>
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+</li>
+</ul>
+<a name="wholeTextFiles-java.lang.String-int-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>wholeTextFiles</h4>
+<pre>public <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><String,String> wholeTextFiles(String path,
+ int minPartitions)</pre>
+<div class="block">Read a directory of text files from HDFS, a local file system (available on all nodes), or any
+ Hadoop-supported file system URI. Each file is read as a single record and returned in a
+ key-value pair, where the key is the path of each file, the value is the content of each file.
+ <p>
+ <p> For example, if you have the following files:
+ <pre><code>
+ hdfs://a-hdfs-path/part-00000
+ hdfs://a-hdfs-path/part-00001
+ ...
+ hdfs://a-hdfs-path/part-nnnnn
+ </code></pre>
+ <p>
+ Do
+ <pre><code>
+ JavaPairRDD<String, String> rdd = sparkContext.wholeTextFiles("hdfs://a-hdfs-path")
+ </code></pre>
+ <p>
+ <p> then <code>rdd</code> contains
+ <pre><code>
+ (a-hdfs-path/part-00000, its content)
+ (a-hdfs-path/part-00001, its content)
+ ...
+ (a-hdfs-path/part-nnnnn, its content)
+ </code></pre>
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>minPartitions</code> - A suggestion value of the minimal splitting number for input data.</dd>
+<dd><code>path</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Small files are preferred, large file is also allowable, but may cause bad performance.
+ <p></dd>
+</dl>
+</li>
+</ul>
+<a name="wholeTextFiles-java.lang.String-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>wholeTextFiles</h4>
+<pre>public <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><String,String> wholeTextFiles(String path)</pre>
+<div class="block">Read a directory of text files from HDFS, a local file system (available on all nodes), or any
+ Hadoop-supported file system URI. Each file is read as a single record and returned in a
+ key-value pair, where the key is the path of each file, the value is the content of each file.
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="seeLabel">See Also:</span></dt>
+<dd><code>wholeTextFiles(path: String, minPartitions: Int)</code>.</dd>
+</dl>
+</li>
+</ul>
+<a name="binaryFiles-java.lang.String-int-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>binaryFiles</h4>
+<pre>public <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><String,<a href="../../../../../org/apache/spark/input/PortableDataStream.html" title="class in org.apache.spark.input">PortableDataStream</a>> binaryFiles(String path,
+ int minPartitions)</pre>
+<div class="block">Read a directory of binary files from HDFS, a local file system (available on all nodes),
+ or any Hadoop-supported file system URI as a byte array. Each file is read as a single
+ record and returned in a key-value pair, where the key is the path of each file,
+ the value is the content of each file.
+ <p>
+ For example, if you have the following files:
+ <pre><code>
+ hdfs://a-hdfs-path/part-00000
+ hdfs://a-hdfs-path/part-00001
+ ...
+ hdfs://a-hdfs-path/part-nnnnn
+ </code></pre>
+ <p>
+ Do
+ <pre><code>
+ JavaPairRDD<String, byte[]> rdd = sparkContext.dataStreamFiles("hdfs://a-hdfs-path")
+ </code></pre>
+ <p>
+ then <code>rdd</code> contains
+ <pre><code>
+ (a-hdfs-path/part-00000, its content)
+ (a-hdfs-path/part-00001, its content)
+ ...
+ (a-hdfs-path/part-nnnnn, its content)
+ </code></pre>
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>minPartitions</code> - A suggestion value of the minimal splitting number for input data.</dd>
+<dd><code>path</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Small files are preferred; very large files but may cause bad performance.
+ <p></dd>
+</dl>
+</li>
+</ul>
+<a name="binaryFiles-java.lang.String-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>binaryFiles</h4>
+<pre>public <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><String,<a href="../../../../../org/apache/spark/input/PortableDataStream.html" title="class in org.apache.spark.input">PortableDataStream</a>> binaryFiles(String path)</pre>
+<div class="block">Read a directory of binary files from HDFS, a local file system (available on all nodes),
+ or any Hadoop-supported file system URI as a byte array. Each file is read as a single
+ record and returned in a key-value pair, where the key is the path of each file,
+ the value is the content of each file.
+ <p>
+ For example, if you have the following files:
+ <pre><code>
+ hdfs://a-hdfs-path/part-00000
+ hdfs://a-hdfs-path/part-00001
+ ...
+ hdfs://a-hdfs-path/part-nnnnn
+ </code></pre>
+ <p>
+ Do
+ <pre><code>
+ JavaPairRDD<String, byte[]> rdd = sparkContext.dataStreamFiles("hdfs://a-hdfs-path")
+ </code></pre>,
+ <p>
+ then <code>rdd</code> contains
+ <pre><code>
+ (a-hdfs-path/part-00000, its content)
+ (a-hdfs-path/part-00001, its content)
+ ...
+ (a-hdfs-path/part-nnnnn, its content)
+ </code></pre>
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Small files are preferred; very large files but may cause bad performance.</dd>
+</dl>
+</li>
+</ul>
+<a name="binaryRecords-java.lang.String-int-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>binaryRecords</h4>
+<pre>public <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><byte[]> binaryRecords(String path,
+ int recordLength)</pre>
+<div class="block">Load data from a flat binary file, assuming the length of each record is constant.
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - Directory to the input data files</dd>
+<dd><code>recordLength</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>An RDD of data with values, represented as byte arrays</dd>
+</dl>
+</li>
+</ul>
+<a name="sequenceFile-java.lang.String-java.lang.Class-java.lang.Class-int-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>sequenceFile</h4>
+<pre>public <K,V> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V> sequenceFile(String path,
+ Class<K> keyClass,
+ Class<V> valueClass,
+ int minPartitions)</pre>
+<div class="block">Get an RDD for a Hadoop SequenceFile with given key and value types.
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - (undocumented)</dd>
+<dd><code>keyClass</code> - (undocumented)</dd>
+<dd><code>valueClass</code> - (undocumented)</dd>
+<dd><code>minPartitions</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Because Hadoop's RecordReader class re-uses the same Writable object for each
+ record, directly caching the returned RDD will create many references to the same object.
+ If you plan to directly cache Hadoop writable objects, you should first copy them using
+ a <code>map</code> function.</dd>
+</dl>
+</li>
+</ul>
+<a name="sequenceFile-java.lang.String-java.lang.Class-java.lang.Class-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>sequenceFile</h4>
+<pre>public <K,V> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V> sequenceFile(String path,
+ Class<K> keyClass,
+ Class<V> valueClass)</pre>
+<div class="block">Get an RDD for a Hadoop SequenceFile.
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - (undocumented)</dd>
+<dd><code>keyClass</code> - (undocumented)</dd>
+<dd><code>valueClass</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Because Hadoop's RecordReader class re-uses the same Writable object for each
+ record, directly caching the returned RDD will create many references to the same object.
+ If you plan to directly cache Hadoop writable objects, you should first copy them using
+ a <code>map</code> function.</dd>
+</dl>
+</li>
+</ul>
+<a name="objectFile-java.lang.String-int-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>objectFile</h4>
+<pre>public <T> <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><T> objectFile(String path,
+ int minPartitions)</pre>
+<div class="block">Load an RDD saved as a SequenceFile containing serialized objects, with NullWritable keys and
+ BytesWritable values that contain a serialized partition. This is still an experimental storage
+ format and may not be supported exactly as is in future Spark releases. It will also be pretty
+ slow if you use the default serializer (Java serialization), though the nice thing about it is
+ that there's very little effort required to save arbitrary objects.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - (undocumented)</dd>
+<dd><code>minPartitions</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+</dl>
+</li>
+</ul>
+<a name="objectFile-java.lang.String-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>objectFile</h4>
+<pre>public <T> <a href="../../../../../org/apache/spark/api/java/JavaRDD.html" title="class in org.apache.spark.api.java">JavaRDD</a><T> objectFile(String path)</pre>
+<div class="block">Load an RDD saved as a SequenceFile containing serialized objects, with NullWritable keys and
+ BytesWritable values that contain a serialized partition. This is still an experimental storage
+ format and may not be supported exactly as is in future Spark releases. It will also be pretty
+ slow if you use the default serializer (Java serialization), though the nice thing about it is
+ that there's very little effort required to save arbitrary objects.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+</dl>
+</li>
+</ul>
+<a name="hadoopRDD-org.apache.hadoop.mapred.JobConf-java.lang.Class-java.lang.Class-java.lang.Class-int-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>hadoopRDD</h4>
+<pre>public <K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V> hadoopRDD(org.apache.hadoop.mapred.JobConf conf,
+ Class<F> inputFormatClass,
+ Class<K> keyClass,
+ Class<V> valueClass,
+ int minPartitions)</pre>
+<div class="block">Get an RDD for a Hadoop-readable dataset from a Hadoop JobConf giving its InputFormat and any
+ other necessary info (e.g. file name for a filesystem-based dataset, table name for HyperTable,
+ etc).
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>conf</code> - JobConf for setting up the dataset. Note: This will be put into a Broadcast.
+ Therefore if you plan to reuse this conf to create multiple RDDs, you need to make
+ sure you won't modify the conf. A safe approach is always creating a new conf for
+ a new RDD.</dd>
+<dd><code>inputFormatClass</code> - Class of the InputFormat</dd>
+<dd><code>keyClass</code> - Class of the keys</dd>
+<dd><code>valueClass</code> - Class of the values</dd>
+<dd><code>minPartitions</code> - Minimum number of Hadoop Splits to generate.
+ <p></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Because Hadoop's RecordReader class re-uses the same Writable object for each
+ record, directly caching the returned RDD will create many references to the same object.
+ If you plan to directly cache Hadoop writable objects, you should first copy them using
+ a <code>map</code> function.</dd>
+</dl>
+</li>
+</ul>
+<a name="hadoopRDD-org.apache.hadoop.mapred.JobConf-java.lang.Class-java.lang.Class-java.lang.Class-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>hadoopRDD</h4>
+<pre>public <K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V> hadoopRDD(org.apache.hadoop.mapred.JobConf conf,
+ Class<F> inputFormatClass,
+ Class<K> keyClass,
+ Class<V> valueClass)</pre>
+<div class="block">Get an RDD for a Hadoop-readable dataset from a Hadoop JobConf giving its InputFormat and any
+ other necessary info (e.g. file name for a filesystem-based dataset, table name for HyperTable,
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>conf</code> - JobConf for setting up the dataset. Note: This will be put into a Broadcast.
+ Therefore if you plan to reuse this conf to create multiple RDDs, you need to make
+ sure you won't modify the conf. A safe approach is always creating a new conf for
+ a new RDD.</dd>
+<dd><code>inputFormatClass</code> - Class of the InputFormat</dd>
+<dd><code>keyClass</code> - Class of the keys</dd>
+<dd><code>valueClass</code> - Class of the values
+ <p></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Because Hadoop's RecordReader class re-uses the same Writable object for each
+ record, directly caching the returned RDD will create many references to the same object.
+ If you plan to directly cache Hadoop writable objects, you should first copy them using
+ a <code>map</code> function.</dd>
+</dl>
+</li>
+</ul>
+<a name="hadoopFile-java.lang.String-java.lang.Class-java.lang.Class-java.lang.Class-int-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>hadoopFile</h4>
+<pre>public <K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V> hadoopFile(String path,
+ Class<F> inputFormatClass,
+ Class<K> keyClass,
+ Class<V> valueClass,
+ int minPartitions)</pre>
+<div class="block">Get an RDD for a Hadoop file with an arbitrary InputFormat.
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>path</code> - (undocumented)</dd>
+<dd><code>inputFormatClass</code> - (undocumented)</dd>
+<dd><code>keyClass</code> - (undocumented)</dd>
+<dd><code>valueClass</code> - (undocumented)</dd>
+<dd><code>minPartitions</code> - (undocumented)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>(undocumented)</dd>
+<dt><span class="simpleTagLabel">Note:</span></dt>
+<dd>Because Hadoop's RecordReader class re-uses the same Writable object for each
+ record, directly caching the returned RDD will create many references to the same object.
+ If you plan to directly cache Hadoop writable objects, you should first copy them using
+ a <code>map</code> function.</dd>
+</dl>
+</li>
+</ul>
+<a name="hadoopFile-java.lang.String-java.lang.Class-java.lang.Class-java.lang.Class-">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>hadoopFile</h4>
+<pre>public <K,V,F extends org.apache.hadoop.mapred.InputFormat<K,V>> <a href="../../../../../org/apache/spark/api/java/JavaPairRDD.html" title="class in org.apache.spark.api.java">JavaPairRDD</a><K,V> hadoopFile(String path,
+
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