Package org.apache.flink.runtime.executiongraph.failover

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	Description
static interface	FailoverStrategy.Factory	The factory to instantiate FailoverStrategy.

Method Summary

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

Method Details

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