org.apache.spark.api.r

Class PairwiseRRDD<T>

Object

org.apache.spark.rdd.RDD<U>

org.apache.spark.api.r.BaseRRDD<T,scala.Tuple2<Object,byte[]>>

org.apache.spark.api.r.PairwiseRRDD<T>

All Implemented Interfaces:

java.io.Serializable, org.apache.spark.internal.Logging

public class PairwiseRRDD<T>
extends BaseRRDD<T,scala.Tuple2<Object,byte[]>>

Form an RDD[(Int, Array[Byte])] from key-value pairs returned from R. This is used by SparkR's shuffle operations.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PairwiseRRDD(RDD<T> parent, int numPartitions, byte[] hashFunc, String deserializer, byte[] packageNames, Object[] broadcastVars, scala.reflect.ClassTag<T> evidence$3)

Method Summary

Modifier and Type	Method and Description
JavaPairRDD<Object,byte[]>	asJavaPairRDD()

Methods inherited from class org.apache.spark.api.r.BaseRRDD

compute, getPartitions

Methods inherited from class org.apache.spark.rdd.RDD

aggregate, barrier, cache, cartesian, checkpoint, cleanShuffleDependencies, coalesce, collect, collect, context, count, countApprox, countApproxDistinct, countApproxDistinct, countByValue, countByValueApprox, dependencies, distinct, distinct, doubleRDDToDoubleRDDFunctions, filter, first, flatMap, fold, foreach, foreachPartition, getCheckpointFile, getNumPartitions, getResourceProfile, getStorageLevel, glom, groupBy, groupBy, groupBy, id, intersection, intersection, intersection, isCheckpointed, isEmpty, iterator, keyBy, localCheckpoint, map, mapPartitions, mapPartitionsWithIndex, max, min, name, numericRDDToDoubleRDDFunctions, partitioner, partitions, persist, persist, pipe, pipe, pipe, preferredLocations, randomSplit, rddToAsyncRDDActions, rddToOrderedRDDFunctions, rddToPairRDDFunctions, rddToSequenceFileRDDFunctions, reduce, repartition, sample, saveAsObjectFile, saveAsTextFile, saveAsTextFile, setName, sortBy, sparkContext, subtract, subtract, subtract, take, takeOrdered, takeSample, toDebugString, toJavaRDD, toLocalIterator, top, toString, treeAggregate, treeReduce, union, unpersist, withResources, zip, zipPartitions, zipPartitions, zipPartitions, zipPartitions, zipPartitions, zipPartitions, zipWithIndex, zipWithUniqueId

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.spark.internal.Logging

$init$, initializeForcefully, initializeLogIfNecessary, initializeLogIfNecessary, initializeLogIfNecessary$default$2, initLock, isTraceEnabled, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning, org$apache$spark$internal$Logging$$log__$eq, org$apache$spark$internal$Logging$$log_, uninitialize

Constructor Detail

PairwiseRRDD

public PairwiseRRDD(RDD<T> parent,
                    int numPartitions,
                    byte[] hashFunc,
                    String deserializer,
                    byte[] packageNames,
                    Object[] broadcastVars,
                    scala.reflect.ClassTag<T> evidence$3)

Method Detail

asJavaPairRDD

public JavaPairRDD<Object,byte[]> asJavaPairRDD()