org.apache.flink.runtime.scheduler.strategy

Class LazyFromSourcesSchedulingStrategy

java.lang.Object

org.apache.flink.runtime.scheduler.strategy.LazyFromSourcesSchedulingStrategy

All Implemented Interfaces:

SchedulingStrategy

public class LazyFromSourcesSchedulingStrategy
extends Object
implements SchedulingStrategy

SchedulingStrategy instance for batch job which schedule vertices when input data are ready.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LazyFromSourcesSchedulingStrategy.Factory The factory for creating LazyFromSourcesSchedulingStrategy.

Constructor Summary

Constructors

Constructor and Description
LazyFromSourcesSchedulingStrategy(SchedulerOperations schedulerOperations, SchedulingTopology<?,?> schedulingTopology)

Method Summary

Modifier and Type	Method and Description
void	onExecutionStateChange(ExecutionVertexID executionVertexId, ExecutionState executionState) Called whenever an Execution changes its state.
void	onPartitionConsumable(ExecutionVertexID executionVertexId, ResultPartitionID resultPartitionId) Called whenever an IntermediateResultPartition becomes consumable.
void	restartTasks(Set<ExecutionVertexID> verticesToRestart) Called whenever vertices need to be restarted (due to task failure).
void	startScheduling() Called when the scheduling is started (initial scheduling operation).

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyFromSourcesSchedulingStrategy

public LazyFromSourcesSchedulingStrategy(SchedulerOperations schedulerOperations,
                                         SchedulingTopology<?,?> schedulingTopology)

Method Detail

startScheduling

public void startScheduling()

Description copied from interface: SchedulingStrategy

Called when the scheduling is started (initial scheduling operation).

Specified by:

startScheduling in interface SchedulingStrategy

restartTasks

public void restartTasks(Set<ExecutionVertexID> verticesToRestart)

Description copied from interface: SchedulingStrategy

Called whenever vertices need to be restarted (due to task failure).

Specified by:

restartTasks in interface SchedulingStrategy

Parameters:

verticesToRestart - The tasks need to be restarted

onExecutionStateChange

public void onExecutionStateChange(ExecutionVertexID executionVertexId,
                                   ExecutionState executionState)

Description copied from interface: SchedulingStrategy

Called whenever an Execution changes its state.

Specified by:

onExecutionStateChange in interface SchedulingStrategy

Parameters:

executionVertexId - The id of the task

executionState - The new state of the execution

onPartitionConsumable

public void onPartitionConsumable(ExecutionVertexID executionVertexId,
                                  ResultPartitionID resultPartitionId)

Description copied from interface: SchedulingStrategy

Called whenever an IntermediateResultPartition becomes consumable.

Specified by:

onPartitionConsumable in interface SchedulingStrategy

Parameters:

executionVertexId - The id of the producer

resultPartitionId - The id of the result partition