org.sonar.core.components.CacheMetricFinder.java Source code

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Here is the source code for org.sonar.core.components.CacheMetricFinder.java

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/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2008-2011 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * Sonar 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.
 *
 * Sonar 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 Sonar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.core.components;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import org.sonar.api.measures.Metric;
import org.sonar.jpa.session.DatabaseSessionFactory;

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

public final class CacheMetricFinder extends DefaultMetricFinder {

    private Map<String, Metric> metricsByKey = Maps.newLinkedHashMap();
    private Map<Integer, Metric> metricsById = Maps.newLinkedHashMap();

    public CacheMetricFinder(DatabaseSessionFactory sessionFactory) {
        super(sessionFactory);
    }

    public void start() {
        Collection<Metric> metrics = doFindAll();
        for (Metric metric : metrics) {
            metricsByKey.put(metric.getKey(), metric);
            metricsById.put(metric.getId(), metric);
        }
    }

    @Override
    public Metric findById(int metricId) {
        return metricsById.get(metricId);
    }

    @Override
    public Metric findByKey(String key) {
        return metricsByKey.get(key);
    }

    @Override
    public Collection<Metric> findAll(List<String> metricKeys) {
        List<Metric> result = Lists.newLinkedList();
        for (String metricKey : metricKeys) {
            Metric metric = findByKey(metricKey);
            if (metric != null) {
                result.add(metric);
            }
        }
        return result;
    }

    @Override
    public Collection<Metric> findAll() {
        return metricsByKey.values();
    }
}