org.apache.flink.runtime.messages.webmonitor.RequestJobsWithIDsOverview 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.messages.webmonitor;
/**
* This message requests an overview of how many jobs are in which status. The response to this
* message is a {@link org.apache.flink.runtime.messages.webmonitor.JobsOverview} message.
*/
public class RequestJobsWithIDsOverview implements InfoMessage {
private static final long serialVersionUID = 3052933564788843275L;
// ------------------------------------------------------------------------
private static final RequestJobsWithIDsOverview INSTANCE = new RequestJobsWithIDsOverview();
public static RequestJobsWithIDsOverview getInstance() {
return INSTANCE;
}
// ------------------------------------------------------------------------
@Override
public int hashCode() {
return RequestJobsWithIDsOverview.class.hashCode();
}
@Override
public boolean equals(Object obj) {
return obj != null && obj.getClass() == RequestJobsWithIDsOverview.class;
}
@Override
public String toString() {
return RequestJobsWithIDsOverview.class.getSimpleName();
}
// ------------------------------------------------------------------------
/** No external instantiation */
private RequestJobsWithIDsOverview() {}
/** Preserve the singleton property by returning the singleton instance */
private Object readResolve() {
return INSTANCE;
}
}