001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2011 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.dbcleaner.purges;
021    
022    import org.sonar.api.database.DatabaseSession;
023    import org.sonar.api.database.model.MeasureModel;
024    import org.sonar.api.database.model.Snapshot;
025    import org.sonar.plugins.dbcleaner.api.Purge;
026    import org.sonar.plugins.dbcleaner.api.PurgeContext;
027    import org.sonar.plugins.dbcleaner.api.PurgeUtils;
028    
029    import javax.persistence.Query;
030    import java.util.List;
031    
032    /**
033     * see SONAR-522
034     *
035     * @since 1.11
036     */
037    public final class PurgeRuleMeasures extends Purge {
038    
039      public PurgeRuleMeasures(DatabaseSession session) {
040        super(session);
041      }
042    
043      public void purge(PurgeContext context) {
044        if (context.getPreviousSnapshotId() != null) {
045          purge(context.getPreviousSnapshotId());
046        }
047      }
048    
049      private void purge(Integer sid) {
050        Query query = getSession().createQuery(
051          "SELECT m.id FROM " + MeasureModel.class.getSimpleName() + " m, " + Snapshot.class.getSimpleName() + " s " +
052            " WHERE s.id = m.snapshotId AND (s.rootId=:rootSid OR s.id=:rootSid) and m.ruleId is not null");
053        query.setParameter("rootSid", sid);
054        List<Integer> measureIds = query.getResultList();
055        PurgeUtils.deleteMeasuresById(getSession(), measureIds);
056      }
057    }