org.apache.flink.runtime.highavailability.nonha.standalone.StandaloneRunningJobsRegistry Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.highavailability.nonha.standalone;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.highavailability.RunningJobsRegistry;
import java.util.HashMap;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* A registry for running jobs, not-highly available.
*/
public class StandaloneRunningJobsRegistry implements RunningJobsRegistry {
/** The currently running jobs. */
private final HashMap jobStatus = new HashMap<>();
@Override
public void setJobRunning(JobID jobID) {
checkNotNull(jobID);
synchronized (jobStatus) {
jobStatus.put(jobID, JobSchedulingStatus.RUNNING);
}
}
@Override
public void setJobFinished(JobID jobID) {
checkNotNull(jobID);
synchronized (jobStatus) {
jobStatus.put(jobID, JobSchedulingStatus.DONE);
}
}
@Override
public JobSchedulingStatus getJobSchedulingStatus(JobID jobID) {
checkNotNull(jobID);
synchronized (jobStatus) {
JobSchedulingStatus status = jobStatus.get(jobID);
return status == null ? JobSchedulingStatus.PENDING : status;
}
}
@Override
public void clearJob(JobID jobID) {
checkNotNull(jobID);
synchronized (jobStatus) {
jobStatus.remove(jobID);
}
}
}