org.apache.flink.runtime.taskexecutor

Class DefaultShuffleDescriptorsCache

java.lang.Object

org.apache.flink.runtime.taskexecutor.DefaultShuffleDescriptorsCache

All Implemented Interfaces:

ShuffleDescriptorsCache

public class DefaultShuffleDescriptorsCache
extends Object
implements ShuffleDescriptorsCache

Default implement of ShuffleDescriptorsCache. Entries will be expired after timeout.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefaultShuffleDescriptorsCache.Factory The Factory of DefaultShuffleDescriptorsCache.

Method Summary

Modifier and Type	Method and Description
void	clear() clear all cache.
void	clearCacheForJob(org.apache.flink.api.common.JobID jobId) Clear all cache for the Job.
TaskDeploymentDescriptorFactory.ShuffleDescriptorGroup	get(PermanentBlobKey blobKey) Get shuffle descriptor group in cache.
void	put(org.apache.flink.api.common.JobID jobId, PermanentBlobKey blobKey, TaskDeploymentDescriptorFactory.ShuffleDescriptorGroup shuffleDescriptorGroup) Put shuffle descriptor group to cache.

Methods inherited from class java.lang.Object

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

Method Detail

clear

public void clear()

Description copied from interface: ShuffleDescriptorsCache

clear all cache.

Specified by:

clear in interface ShuffleDescriptorsCache

get

public TaskDeploymentDescriptorFactory.ShuffleDescriptorGroup get(PermanentBlobKey blobKey)

Description copied from interface: ShuffleDescriptorsCache

Get shuffle descriptor group in cache.

Specified by:

get in interface ShuffleDescriptorsCache

Parameters:

blobKey - identify the shuffle descriptor group

Returns:

shuffle descriptor group in cache if exists, otherwise null

put

public void put(org.apache.flink.api.common.JobID jobId,
                PermanentBlobKey blobKey,
                TaskDeploymentDescriptorFactory.ShuffleDescriptorGroup shuffleDescriptorGroup)

Description copied from interface: ShuffleDescriptorsCache

Put shuffle descriptor group to cache.

Specified by:

put in interface ShuffleDescriptorsCache

Parameters:

jobId - of job

blobKey - identify the shuffle descriptor group

shuffleDescriptorGroup - shuffle descriptor group to cache

clearCacheForJob

public void clearCacheForJob(org.apache.flink.api.common.JobID jobId)

Description copied from interface: ShuffleDescriptorsCache

Clear all cache for the Job.

Specified by:

clearCacheForJob in interface ShuffleDescriptorsCache

Parameters:

jobId - of job