001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar 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     * Sonar 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
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.plugins.cpd.index;
021    
022    import com.google.common.collect.Lists;
023    import org.sonar.api.resources.Resource;
024    import org.sonar.duplications.block.Block;
025    import org.sonar.duplications.block.ByteArray;
026    import org.sonar.duplications.index.AbstractCloneIndex;
027    import org.sonar.duplications.index.CloneIndex;
028    import org.sonar.duplications.index.PackedMemoryCloneIndex;
029    
030    import java.util.Collection;
031    import java.util.List;
032    
033    public class SonarDuplicationsIndex extends AbstractCloneIndex {
034    
035      private final CloneIndex mem = new PackedMemoryCloneIndex();
036      private final DbDuplicationsIndex db;
037    
038      public SonarDuplicationsIndex() {
039        this.db = null;
040      }
041    
042      public SonarDuplicationsIndex(DbDuplicationsIndex db) {
043        this.db = db;
044      }
045    
046      public void insert(Resource resource, Collection<Block> blocks) {
047        for (Block block : blocks) {
048          mem.insert(block);
049        }
050        if (db != null) {
051          db.insert(resource, blocks);
052        }
053      }
054    
055      public Collection<Block> getByResource(Resource resource, String resourceKey) {
056        if (db != null) {
057          db.prepareCache(resource);
058        }
059        return mem.getByResourceId(resourceKey);
060      }
061    
062      public Collection<Block> getBySequenceHash(ByteArray hash) {
063        if (db == null) {
064          return mem.getBySequenceHash(hash);
065        } else {
066          List<Block> result = Lists.newArrayList(mem.getBySequenceHash(hash));
067          result.addAll(db.getByHash(hash));
068          return result;
069        }
070      }
071    
072      public Collection<Block> getByResourceId(String resourceId) {
073        throw new UnsupportedOperationException();
074      }
075    
076      public void insert(Block block) {
077        throw new UnsupportedOperationException();
078      }
079    
080    }