001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * SonarQube is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * SonarQube is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public License
017     * along with this program; if not, write to the Free Software Foundation,
018     * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019     */
020    package org.sonar.batch.duplication;
021    
022    import org.sonar.api.BatchComponent;
023    import org.sonar.api.batch.sensor.duplication.DuplicationGroup;
024    import org.sonar.batch.index.Cache;
025    import org.sonar.batch.index.Cache.Entry;
026    import org.sonar.batch.index.Caches;
027    
028    import javax.annotation.CheckForNull;
029    
030    import java.util.List;
031    
032    /**
033     * Cache of duplication blocks. This cache is shared amongst all project modules.
034     */
035    public class DuplicationCache implements BatchComponent {
036    
037      private final Cache<List<DuplicationGroup>> cache;
038    
039      public DuplicationCache(Caches caches) {
040        caches.registerValueCoder(DuplicationGroup.class, new DuplicationGroupValueCoder());
041        cache = caches.createCache("duplications");
042      }
043    
044      public Iterable<Entry<List<DuplicationGroup>>> entries() {
045        return cache.entries();
046      }
047    
048      @CheckForNull
049      public List<DuplicationGroup> byComponent(String effectiveKey) {
050        return cache.get(effectiveKey);
051      }
052    
053      public DuplicationCache put(String effectiveKey, List<DuplicationGroup> blocks) {
054        cache.put(effectiveKey, blocks);
055        return this;
056      }
057    
058    }