org.apache.spark.rdd

Class AsyncRDDActions<T>

Object

org.apache.spark.rdd.AsyncRDDActions<T>

All Implemented Interfaces:

java.io.Serializable, Logging

public class AsyncRDDActions<T>
extends Object
implements scala.Serializable, Logging

A set of asynchronous RDD actions available through an implicit conversion. Import org.apache.spark.SparkContext._ at the top of your program to use these functions.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AsyncRDDActions(RDD<T> self, scala.reflect.ClassTag<T> evidence$1)

Method Summary

Methods

Modifier and Type	Method and Description
FutureAction<scala.collection.Seq<T>>	collectAsync() Returns a future for retrieving all elements of this RDD.
FutureAction<Object>	countAsync() Returns a future for counting the number of elements in the RDD.
FutureAction<scala.runtime.BoxedUnit>	foreachAsync(scala.Function1<T,scala.runtime.BoxedUnit> f) Applies a function f to all elements of this RDD.
FutureAction<scala.runtime.BoxedUnit>	foreachPartitionAsync(scala.Function1<scala.collection.Iterator<T>,scala.runtime.BoxedUnit> f) Applies a function f to each partition of this RDD.
FutureAction<scala.collection.Seq<T>>	takeAsync(int num) Returns a future for retrieving the first num elements of the RDD.

Methods inherited from class Object

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

Methods inherited from interface org.apache.spark.Logging

initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning

Constructor Detail

AsyncRDDActions

public AsyncRDDActions(RDD<T> self,
               scala.reflect.ClassTag<T> evidence$1)

Method Detail

countAsync

public FutureAction<Object> countAsync()

Returns a future for counting the number of elements in the RDD.

collectAsync

public FutureAction<scala.collection.Seq<T>> collectAsync()

Returns a future for retrieving all elements of this RDD.

takeAsync

public FutureAction<scala.collection.Seq<T>> takeAsync(int num)

Returns a future for retrieving the first num elements of the RDD.

foreachAsync

public FutureAction<scala.runtime.BoxedUnit> foreachAsync(scala.Function1<T,scala.runtime.BoxedUnit> f)

Applies a function f to all elements of this RDD.

foreachPartitionAsync

public FutureAction<scala.runtime.BoxedUnit> foreachPartitionAsync(scala.Function1<scala.collection.Iterator<T>,scala.runtime.BoxedUnit> f)

Applies a function f to each partition of this RDD.