org.apache.flink.runtime.resourcemanager.active

接口 ResourceEventHandler<WorkerType extends ResourceIDRetrievable>

所有已知实现类:

ActiveResourceManager

public interface ResourceEventHandler<WorkerType extends ResourceIDRetrievable>

Callback interfaces for handling resource events from external resource managers.

方法概要

限定符和类型	方法和说明
void	onError(Throwable exception) Notifies that an error has occurred that the process cannot proceed.
void	onPreviousAttemptWorkersRecovered(Collection<WorkerType> recoveredWorkers) Notifies that workers of previous attempt have been recovered from the external resource manager.
void	onWorkerTerminated(ResourceID resourceId, String diagnostics) Notifies that the worker has been terminated.

方法详细资料

onPreviousAttemptWorkersRecovered

void onPreviousAttemptWorkersRecovered(Collection<WorkerType> recoveredWorkers)

Notifies that workers of previous attempt have been recovered from the external resource manager.

参数:

recoveredWorkers - Collection of worker nodes, in the deployment specific type.

onWorkerTerminated

void onWorkerTerminated(ResourceID resourceId,
                        String diagnostics)

Notifies that the worker has been terminated.

See also ResourceManagerDriver.requestResource(org.apache.flink.runtime.clusterframework.TaskExecutorProcessSpec).

参数:

resourceId - Identifier of the terminated worker.

diagnostics - Diagnostic message about the worker termination.

onError

void onError(Throwable exception)

Notifies that an error has occurred that the process cannot proceed.

参数:

exception - Exception that describes the error.