org.apache.flink.runtime.taskexecutor.JobManagerTable 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.taskexecutor;
import org.apache.flink.api.common.JobID;
import java.util.HashMap;
import java.util.Map;
/**
* Container for multiple {@link JobManagerConnection} registered under their respective job id.
*/
public class JobManagerTable {
private final Map jobManagerConnections;
public JobManagerTable() {
jobManagerConnections = new HashMap<>(4);
}
public boolean contains(JobID jobId) {
return jobManagerConnections.containsKey(jobId);
}
public boolean put(JobID jobId, JobManagerConnection jobManagerConnection) {
JobManagerConnection previousJMC = jobManagerConnections.put(jobId, jobManagerConnection);
if (previousJMC != null) {
jobManagerConnections.put(jobId, previousJMC);
return false;
} else {
return true;
}
}
public JobManagerConnection remove(JobID jobId) {
return jobManagerConnections.remove(jobId);
}
public JobManagerConnection get(JobID jobId) {
return jobManagerConnections.get(jobId);
}
}