org.apache.flink.runtime.resourcemanager.JobLeaderIdActions Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.resourcemanager;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.jobmaster.JobMasterId;
import java.util.UUID;
/**
* Interface for actions called by the {@link JobLeaderIdService}.
*/
public interface JobLeaderIdActions {
/**
* Callback when a monitored job leader lost its leadership.
*
* @param jobId identifying the job whose leader lost leadership
* @param oldJobMasterId of the job manager which lost leadership
*/
void jobLeaderLostLeadership(JobID jobId, JobMasterId oldJobMasterId);
/**
* Notify a job timeout. The job is identified by the given JobID. In order to check
* for the validity of the timeout the timeout id of the triggered timeout is provided.
*
* @param jobId JobID which identifies the timed out job
* @param timeoutId Id of the calling timeout to differentiate valid from invalid timeouts
*/
void notifyJobTimeout(JobID jobId, UUID timeoutId);
/**
* Callback to report occurring errors.
*
* @param error which has occurred
*/
void handleError(Throwable error);
}