org.apache.flink.runtime.executiongraph.restart

Class ExecutionGraphRestartCallback

java.lang.Object

org.apache.flink.runtime.executiongraph.restart.ExecutionGraphRestartCallback

All Implemented Interfaces:

RestartCallback

public class ExecutionGraphRestartCallback
extends Object
implements RestartCallback

A RestartCallback that abstracts restart calls on an ExecutionGraph.

This callback implementation is one-shot; it can only be used once.

Constructor Summary

Constructors

Constructor and Description
ExecutionGraphRestartCallback(ExecutionGraph execGraph, long expectedGlobalModVersion) Creates a new ExecutionGraphRestartCallback.

Method Summary

Modifier and Type	Method and Description
void	triggerFullRecovery() Triggers a full recovery in the target ExecutionGraph.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecutionGraphRestartCallback

public ExecutionGraphRestartCallback(ExecutionGraph execGraph,
                                     long expectedGlobalModVersion)

Creates a new ExecutionGraphRestartCallback.

Parameters:

execGraph - The ExecutionGraph to restart

expectedGlobalModVersion - The globalModVersion that the ExecutionGraph needs to have for the restart to go through

Method Detail

triggerFullRecovery

public void triggerFullRecovery()

Description copied from interface: RestartCallback

Triggers a full recovery in the target ExecutionGraph. A full recovery resets all vertices to the state of the latest checkpoint.

Specified by:

triggerFullRecovery in interface RestartCallback