org.sonar.server.computation.measure.MetricCache.java Source code

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Here is the source code for org.sonar.server.computation.measure.MetricCache.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.server.computation.measure;

import com.google.common.base.Function;
import com.google.common.collect.Maps;
import org.sonar.core.metric.db.MetricDto;
import org.sonar.core.persistence.DbSession;
import org.sonar.core.persistence.MyBatis;
import org.sonar.server.db.DbClient;
import org.sonar.server.exceptions.NotFoundException;

import java.util.List;
import java.util.Map;

public class MetricCache {
    private final Map<String, MetricDto> metrics;

    public MetricCache(DbClient dbClient) {
        DbSession dbSession = dbClient.openSession(false);
        try {
            List<MetricDto> metricList = dbClient.metricDao().selectEnabled(dbSession);
            this.metrics = Maps.uniqueIndex(metricList, new Function<MetricDto, String>() {
                @Override
                public String apply(MetricDto metric) {
                    return metric.getKey();
                }
            });
        } finally {
            MyBatis.closeQuietly(dbSession);
        }
    }

    public MetricDto get(String key) {
        MetricDto metric = metrics.get(key);
        if (metric == null) {
            throw new NotFoundException(String.format("Not found: '%s'", key));
        }

        return metric;
    }
}