Package org.apache.wayang.spark.channels

Class BroadcastChannel.Instance

java.lang.Object

org.apache.wayang.core.util.AbstractReferenceCountable

org.apache.wayang.core.platform.ExecutionResourceTemplate

org.apache.wayang.core.platform.AbstractChannelInstance

org.apache.wayang.spark.channels.BroadcastChannel.Instance

All Implemented Interfaces:

ChannelInstance, ExecutionResource, ReferenceCountable

Enclosing class:

BroadcastChannel

public class BroadcastChannel.Instance
extends AbstractChannelInstance

ChannelInstance implementation for BroadcastChannels.

Constructor Summary

Constructors

Constructor	Description
Instance(SparkExecutor executor, OptimizationContext.OperatorContext producerOperatorContext, int producerOutputIndex)

Method Summary

Modifier and Type	Method	Description
void	accept(org.apache.spark.broadcast.Broadcast broadcast)
protected void	doDispose()	Performs the actual disposing work of this instance.
BroadcastChannel	getChannel()
org.apache.spark.broadcast.Broadcast<?>	provideBroadcast()

Methods inherited from class org.apache.wayang.core.platform.AbstractChannelInstance

getLineage, getMeasuredCardinality, getProducerOperatorContext, markProduced, setMeasuredCardinality, toString, wasProduced

Methods inherited from class org.apache.wayang.core.platform.ExecutionResourceTemplate

dispose, disposeUnreferenced

Methods inherited from class org.apache.wayang.core.util.AbstractReferenceCountable

disposeIfUnreferenced, getNumReferences, isDisposed, noteDiscardedReference, noteObtainedReference

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.wayang.core.platform.ChannelInstance

isMarkedForInstrumentation

Methods inherited from interface org.apache.wayang.core.platform.ExecutionResource

dispose

Methods inherited from interface org.apache.wayang.core.util.ReferenceCountable

disposeIfUnreferenced, getNumReferences, isDisposed, noteDiscardedReference, noteObtainedReference

Constructor Details

Instance

public Instance(SparkExecutor executor,
 OptimizationContext.OperatorContext producerOperatorContext,
 int producerOutputIndex)

Method Details

accept

public void accept(org.apache.spark.broadcast.Broadcast broadcast)

provideBroadcast

public org.apache.spark.broadcast.Broadcast<?> provideBroadcast()

doDispose

protected void doDispose()

Description copied from class: ExecutionResourceTemplate

Performs the actual disposing work of this instance.

Specified by:

doDispose in class ExecutionResourceTemplate

getChannel

public BroadcastChannel getChannel()

Returns:

the Channel that is implemented by this instance