org.apache.flink.runtime.messages.webmonitor.MultipleJobsDetails.java Source code

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Here is the source code for org.apache.flink.runtime.messages.webmonitor.MultipleJobsDetails.java

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/*
 * 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;

import org.apache.flink.runtime.rest.messages.ResponseBody;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.commons.collections.CollectionUtils;

import java.io.Serializable;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;

/**
 * An actor messages describing details of various jobs. This message is sent for example
 * in response to the {@link RequestJobDetails} message.
 */
public class MultipleJobsDetails implements ResponseBody, Serializable {

    private static final long serialVersionUID = -1526236139616019127L;

    public static final String FIELD_NAME_JOBS_RUNNING = "running";
    public static final String FIELD_NAME_JOBS_FINISHED = "finished";

    @JsonProperty(FIELD_NAME_JOBS_RUNNING)
    private final Collection<JobDetails> running;

    @JsonProperty(FIELD_NAME_JOBS_FINISHED)
    private final Collection<JobDetails> finished;

    @JsonCreator
    public MultipleJobsDetails(@JsonProperty(FIELD_NAME_JOBS_RUNNING) Collection<JobDetails> running,
            @JsonProperty(FIELD_NAME_JOBS_FINISHED) Collection<JobDetails> finished) {
        this.running = running == null ? Collections.emptyList() : running;
        this.finished = finished == null ? Collections.emptyList() : finished;
    }

    // ------------------------------------------------------------------------

    public Collection<JobDetails> getRunning() {
        return running;
    }

    public Collection<JobDetails> getFinished() {
        return finished;
    }

    @Override
    public String toString() {
        return "MultipleJobsDetails{" + "running=" + running + ", finished=" + finished + '}';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        MultipleJobsDetails that = (MultipleJobsDetails) o;

        return CollectionUtils.isEqualCollection(running, that.running)
                && CollectionUtils.isEqualCollection(finished, that.finished);
    }

    @Override
    public int hashCode() {
        // the hash code only depends on the collection elements, not the collection itself!
        int result = 1;

        Iterator<JobDetails> iterator = running.iterator();

        while (iterator.hasNext()) {
            JobDetails jobDetails = iterator.next();
            result = 31 * result + (jobDetails == null ? 0 : jobDetails.hashCode());
        }

        iterator = finished.iterator();

        while (iterator.hasNext()) {
            JobDetails jobDetails = iterator.next();
            result = 31 * result + (jobDetails == null ? 0 : jobDetails.hashCode());
        }

        return result;
    }

    // ------------------------------------------------------------------------
}