org.apache.flink.runtime.executiongraph.restart

Class FixedDelayRestartStrategy

java.lang.Object

org.apache.flink.runtime.executiongraph.restart.FixedDelayRestartStrategy

All Implemented Interfaces:

RestartStrategy

public class FixedDelayRestartStrategy
extends Object
implements RestartStrategy

Restart strategy which tries to restart the given ExecutionGraph a fixed number of times with a fixed time delay in between.

Constructor Summary

Constructors

Constructor and Description
FixedDelayRestartStrategy(int maxNumberRestartAttempts, long delayBetweenRestartAttempts)

Method Summary

Modifier and Type	Method and Description
boolean	canRestart() True if the restart strategy can be applied to restart the ExecutionGraph.
static FixedDelayRestartStrategy	create(org.apache.flink.configuration.Configuration configuration) Creates a FixedDelayRestartStrategy from the given Configuration.
int	getCurrentRestartAttempt()
void	restart(ExecutionGraph executionGraph) Restarts the given ExecutionGraph.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FixedDelayRestartStrategy

public FixedDelayRestartStrategy(int maxNumberRestartAttempts,
                                 long delayBetweenRestartAttempts)

Method Detail

getCurrentRestartAttempt

public int getCurrentRestartAttempt()

canRestart

public boolean canRestart()

Description copied from interface: RestartStrategy

True if the restart strategy can be applied to restart the ExecutionGraph.

Specified by:

canRestart in interface RestartStrategy

Returns:

true if restart is possible, otherwise false

restart

public void restart(ExecutionGraph executionGraph)

Description copied from interface: RestartStrategy

Restarts the given ExecutionGraph.

Specified by:

restart in interface RestartStrategy

Parameters:

executionGraph - The ExecutionGraph to be restarted

create

public static FixedDelayRestartStrategy create(org.apache.flink.configuration.Configuration configuration)
                                        throws Exception

Creates a FixedDelayRestartStrategy from the given Configuration.

Parameters:

configuration - Configuration containing the parameter values for the restart strategy

Returns:

Initialized instance of FixedDelayRestartStrategy

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object