org.silverpeas.core.util.time.DurationConversionBoardKey.java Source code

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Here is the source code for org.silverpeas.core.util.time.DurationConversionBoardKey.java

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/*
 * Copyright (C) 2000 - 2018 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "https://www.silverpeas.org/legal/floss_exception.html"
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.silverpeas.core.util.time;

import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.EqualsBuilder;

/**
 * A key for the conversion board.
 */
public class DurationConversionBoardKey {
    private final DurationUnit smallestUnit;
    private final DurationUnit largestUnit;

    DurationConversionBoardKey(DurationUnit from, DurationUnit to) {
        if (from.ordinal() < to.ordinal()) {
            smallestUnit = from;
            largestUnit = to;
        } else {
            smallestUnit = to;
            largestUnit = from;
        }
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder().append(smallestUnit.name()).append(largestUnit.name()).toHashCode();
    }

    @Override
    public boolean equals(final Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final DurationConversionBoardKey other = (DurationConversionBoardKey) obj;
        EqualsBuilder matcher = new EqualsBuilder();
        matcher.append(smallestUnit, other.smallestUnit);
        matcher.append(largestUnit, other.largestUnit);
        return matcher.isEquals();
    }
}