org.btrplace.model.AbstractMapping Maven / Gradle / Ivy

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/*
 * Copyright (c) 2016 University Nice Sophia Antipolis
 *
 * This file is part of btrplace.
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */

package org.btrplace.model;

import java.util.Objects;

/**
 * An helper abstract class for standards equals() and hashcode() methods
 * as it is not possible to make them as default in Mapping.
 *
 * @author Fabien Hermenier
 */
public abstract class AbstractMapping implements Mapping {

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof Mapping)) {
            return false;
        }

        Mapping that = (Mapping) o;

        if (!getOnlineNodes().equals(that.getOnlineNodes())
                || !getOfflineNodes().equals(that.getOfflineNodes())
                || !getReadyVMs().equals(that.getReadyVMs())) {
            return false;
        }

        for (Node n : getOnlineNodes()) {
            if (!getRunningVMs(n).equals(that.getRunningVMs(n))
                    || !getSleepingVMs(n).equals(that.getSleepingVMs(n))) {
                return false;
            }
        }
        return true;
    }

    @Override
    public int hashCode() {
        int result = Objects.hash(getOfflineNodes(), getReadyVMs(), getOnlineNodes());
        for (Node n : getOnlineNodes()) {
            result += Objects.hash(n, getRunningVMs(n), getSleepingVMs(n));
        }
        return result;
    }
}