org.sonar.core.measure.db.MeasureKey.java Source code

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Here is the source code for org.sonar.core.measure.db.MeasureKey.java

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/*
 * SonarQube, open source software quality management tool.
 * Copyright (C) 2008-2014 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * SonarQube 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.
 *
 * SonarQube 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package org.sonar.core.measure.db;

import com.google.common.base.Preconditions;
import com.google.common.base.Strings;

import java.io.Serializable;

public class MeasureKey implements Serializable {

    private final String componentKey;
    private final String metricKey;

    private MeasureKey(String componentKey, String metricKey) {
        this.componentKey = componentKey;
        this.metricKey = metricKey;
    }

    public String componentKey() {
        return componentKey;
    }

    public String metricKey() {
        return metricKey;
    }

    public static MeasureKey of(String componentKey, String metricKey) {
        Preconditions.checkArgument(!Strings.isNullOrEmpty(componentKey), "Component key must be set");
        Preconditions.checkArgument(!Strings.isNullOrEmpty(metricKey), "Metric key must be set");
        return new MeasureKey(componentKey, metricKey);
    }

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

        MeasureKey that = (MeasureKey) o;

        if (!componentKey.equals(that.componentKey)) {
            return false;
        }
        if (!metricKey.equals(that.metricKey)) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = componentKey.hashCode();
        result = 31 * result + metricKey.hashCode();
        return result;
    }
}