org.apache.flink.runtime.jobmanager.StandaloneJobGraphStore 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.jobmanager;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.jobgraph.JobGraph;
import java.util.Collection;
import java.util.Collections;
/**
* {@link JobGraph} instances for JobManagers running in {@link HighAvailabilityMode#NONE}.
*
* All operations are NoOps, because {@link JobGraph} instances cannot be recovered in this
* recovery mode.
*/
public class StandaloneJobGraphStore implements JobGraphStore {
@Override
public void start(JobGraphListener jobGraphListener) throws Exception {
// Nothing to do
}
@Override
public void stop() {
// Nothing to do
}
@Override
public void putJobGraph(JobGraph jobGraph) {
// Nothing to do
}
@Override
public void removeJobGraph(JobID jobId) {
// Nothing to do
}
@Override
public void releaseJobGraph(JobID jobId) {
// nothing to do
}
@Override
public Collection getJobIds() {
return Collections.emptyList();
}
@Override
public JobGraph recoverJobGraph(JobID jobId) {
return null;
}
}