org.apache.flink.runtime.rest.handler.legacy

Class DefaultExecutionGraphCache

java.lang.Object

org.apache.flink.runtime.rest.handler.legacy.DefaultExecutionGraphCache

All Implemented Interfaces:

Closeable, AutoCloseable, ExecutionGraphCache

public class DefaultExecutionGraphCache
extends Object
implements ExecutionGraphCache

Default implementation of ExecutionGraphCache.

Constructor Summary

Constructors

Constructor and Description
DefaultExecutionGraphCache(org.apache.flink.api.common.time.Time timeout, org.apache.flink.api.common.time.Time timeToLive)

Method Summary

Modifier and Type	Method and Description
void	cleanup() Perform the cleanup of out dated cache entries.
void	close() Closes the execution graph cache.
CompletableFuture<ExecutionGraphInfo>	getExecutionGraphInfo(org.apache.flink.api.common.JobID jobId, RestfulGateway restfulGateway) Gets the ExecutionGraphInfo for the given JobID and caches it.
int	size() Gets the number of cache entries.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultExecutionGraphCache

public DefaultExecutionGraphCache(org.apache.flink.api.common.time.Time timeout,
                                  org.apache.flink.api.common.time.Time timeToLive)

Method Detail

close

public void close()

Description copied from interface: ExecutionGraphCache

Closes the execution graph cache.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface ExecutionGraphCache

size

public int size()

Description copied from interface: ExecutionGraphCache

Gets the number of cache entries.

Specified by:

size in interface ExecutionGraphCache

getExecutionGraphInfo

public CompletableFuture<ExecutionGraphInfo> getExecutionGraphInfo(org.apache.flink.api.common.JobID jobId,
                                                                   RestfulGateway restfulGateway)

Description copied from interface: ExecutionGraphCache

Gets the ExecutionGraphInfo for the given JobID and caches it. The ExecutionGraphInfo will be requested again after the refresh interval has passed or if the graph could not be retrieved from the given gateway.

Specified by:

getExecutionGraphInfo in interface ExecutionGraphCache

Parameters:

jobId - identifying the ExecutionGraphInfo to get

restfulGateway - to request the ExecutionGraphInfo from

Returns:

Future containing the requested ExecutionGraphInfo

cleanup

public void cleanup()

Description copied from interface: ExecutionGraphCache

Perform the cleanup of out dated cache entries.

Specified by:

cleanup in interface ExecutionGraphCache