org.apache.flink.runtime.executiongraph.failover.flip1

Interface FailoverStrategy

All Known Implementing Classes:

RestartAllFailoverStrategy, RestartPipelinedRegionFailoverStrategy

public interface FailoverStrategy

New interface for failover strategies.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	FailoverStrategy.Factory The factory to instantiate FailoverStrategy.

Method Summary

Modifier and Type	Method and Description
Set<ExecutionVertexID>	getTasksNeedingRestart(ExecutionVertexID executionVertexId, Throwable cause) Returns a set of IDs corresponding to the set of vertices that should be restarted.

Method Detail

getTasksNeedingRestart

Set<ExecutionVertexID> getTasksNeedingRestart(ExecutionVertexID executionVertexId,
                                              Throwable cause)

Returns a set of IDs corresponding to the set of vertices that should be restarted.

Parameters:

executionVertexId - ID of the failed task

cause - cause of the failure

Returns:

set of IDs of vertices to restart