org.apache.flink.runtime.executiongraph.failover

Class RestartAllStrategy

java.lang.Object

org.apache.flink.runtime.executiongraph.failover.FailoverStrategy

org.apache.flink.runtime.executiongraph.failover.RestartAllStrategy

public class RestartAllStrategy
extends FailoverStrategy

Simple failover strategy that triggers a restart of all tasks in the execution graph, via ExecutionGraph.failGlobal(Throwable).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RestartAllStrategy.Factory Factory that instantiates the RestartAllStrategy.

Constructor Summary

Constructors

Constructor and Description
RestartAllStrategy(ExecutionGraph executionGraph) Creates a new failover strategy that recovers from failures by restarting all tasks of the execution graph.

Method Summary

Modifier and Type	Method and Description
String	getStrategyName() Gets the name of the failover strategy, for logging purposes.
void	notifyNewVertices(List<ExecutionJobVertex> newJobVerticesTopological) Called whenever new vertices are added to the ExecutionGraph.
void	onTaskFailure(Execution taskExecution, Throwable cause) Called by the execution graph when a task failure occurs.

Methods inherited from class org.apache.flink.runtime.executiongraph.failover.FailoverStrategy

registerMetrics

Methods inherited from class java.lang.Object

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

Constructor Detail

RestartAllStrategy

public RestartAllStrategy(ExecutionGraph executionGraph)

Creates a new failover strategy that recovers from failures by restarting all tasks of the execution graph.

Parameters:

executionGraph - The execution graph to handle.

Method Detail

onTaskFailure

public void onTaskFailure(Execution taskExecution,
                          Throwable cause)

Description copied from class: FailoverStrategy

Called by the execution graph when a task failure occurs.

Specified by:

onTaskFailure in class FailoverStrategy

Parameters:

taskExecution - The execution attempt of the failed task.

cause - The exception that caused the task failure.

notifyNewVertices

public void notifyNewVertices(List<ExecutionJobVertex> newJobVerticesTopological)

Description copied from class: FailoverStrategy

Called whenever new vertices are added to the ExecutionGraph.

Specified by:

notifyNewVertices in class FailoverStrategy

Parameters:

newJobVerticesTopological - The newly added vertices, in topological order.

getStrategyName

public String getStrategyName()

Description copied from class: FailoverStrategy

Gets the name of the failover strategy, for logging purposes.

Specified by:

getStrategyName in class FailoverStrategy