/*
 * 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.nifi.web.revision;

import org.apache.nifi.web.Revision;

import java.util.Comparator;

public class RevisionComparator implements Comparator<Revision> {

    @Override
    public int compare(final Revision o1, final Revision o2) {
        final int componentComparison = o1.getComponentId().compareTo(o2.getComponentId());
        if (componentComparison != 0) {
            return componentComparison;
        }

        final int clientComparison = o1.getClientId().compareTo(o2.getClientId());
        if (clientComparison != 0) {
            return clientComparison;
        }

        return o1.getVersion().compareTo(o2.getVersion());
    }

}
