org.apache.flink.runtime.executiongraph

Class ExecutionHistory

java.lang.Object

org.apache.flink.runtime.executiongraph.ExecutionHistory

All Implemented Interfaces:

Serializable

public class ExecutionHistory
extends Object
implements Serializable

This class hosts the historical executions of an ExecutionVertex in a LinkedHashMap with a size bound. When the map grows beyond the size bound, elements are dropped from the head of the map (FIFO order). Note that the historical executions does not include the current execution attempt.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ExecutionHistory(int sizeLimit)

Method Summary

Modifier and Type	Method and Description
Optional<ArchivedExecution>	getHistoricalExecution(int attemptNumber)
Collection<ArchivedExecution>	getHistoricalExecutions()
boolean	isValidAttemptNumber(int attemptNumber)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecutionHistory

public ExecutionHistory(int sizeLimit)

Method Detail

getHistoricalExecution

public Optional<ArchivedExecution> getHistoricalExecution(int attemptNumber)

getHistoricalExecutions

public Collection<ArchivedExecution> getHistoricalExecutions()

isValidAttemptNumber

public boolean isValidAttemptNumber(int attemptNumber)