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.index;
021    
022    import com.google.common.collect.Maps;
023    import org.sonar.api.BatchComponent;
024    import org.sonar.api.database.model.Snapshot;
025    import org.sonar.api.resources.Library;
026    
027    import java.util.Map;
028    import java.util.Set;
029    
030    /**
031     * Does not contains snapshots of {@link Library} as effectiveKey can be the same than a project.
032     */
033    public class SnapshotCache implements BatchComponent {
034      // snapshots by component key
035      private final Map<String, Snapshot> snapshots = Maps.newHashMap();
036    
037      public Snapshot get(String componentKey) {
038        return snapshots.get(componentKey);
039      }
040    
041      public SnapshotCache put(String componentKey, Snapshot snapshot) {
042        snapshots.put(componentKey, snapshot);
043        return this;
044      }
045    
046      public Set<Map.Entry<String, Snapshot>> snapshots() {
047        return snapshots.entrySet();
048      }
049    }