/*
 * 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;

/**
 * An overview of how many jobs are in which status.
 */
public class JobsOverview implements InfoMessage {

	private static final long serialVersionUID = -3699051943490133183L;
	
	private final int numJobsRunningOrPending;
	private final int numJobsFinished;
	private final int numJobsCancelled;
	private final int numJobsFailed;

	public JobsOverview(int numJobsRunningOrPending, int numJobsFinished,
						int numJobsCancelled, int numJobsFailed) {
		
		this.numJobsRunningOrPending = numJobsRunningOrPending;
		this.numJobsFinished = numJobsFinished;
		this.numJobsCancelled = numJobsCancelled;
		this.numJobsFailed = numJobsFailed;
	}

	public JobsOverview(JobsOverview first, JobsOverview second) {
		this.numJobsRunningOrPending = first.numJobsRunningOrPending + second.numJobsRunningOrPending;
		this.numJobsFinished = first.numJobsFinished + second.numJobsFinished;
		this.numJobsCancelled = first.numJobsCancelled + second.numJobsCancelled;
		this.numJobsFailed = first.numJobsFailed + second.numJobsFailed;
	}

	public int getNumJobsRunningOrPending() {
		return numJobsRunningOrPending;
	}

	public int getNumJobsFinished() {
		return numJobsFinished;
	}

	public int getNumJobsCancelled() {
		return numJobsCancelled;
	}

	public int getNumJobsFailed() {
		return numJobsFailed;
	}
	
	// ------------------------------------------------------------------------
	
	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		else if (obj instanceof JobsOverview) {
			JobsOverview that = (JobsOverview) obj;
			return this.numJobsRunningOrPending == that.numJobsRunningOrPending &&
					this.numJobsFinished == that.numJobsFinished &&
					this.numJobsCancelled == that.numJobsCancelled &&
					this.numJobsFailed == that.numJobsFailed;
		}
		else {
			return false;
		}
	}

	@Override
	public int hashCode() {
		int result = numJobsRunningOrPending;
		result = 31 * result + numJobsFinished;
		result = 31 * result + numJobsCancelled;
		result = 31 * result + numJobsFailed;
		return result;
	}

	@Override
	public String toString() {
		return "JobsOverview {" +
				"numJobsRunningOrPending=" + numJobsRunningOrPending +
				", numJobsFinished=" + numJobsFinished +
				", numJobsCancelled=" + numJobsCancelled +
				", numJobsFailed=" + numJobsFailed +
				'}';
	}
}