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.Snapshot;
024    import org.sonar.api.design.DependencyDto;
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    public final class PurgeDependencies extends Purge {
033    
034      public PurgeDependencies(DatabaseSession session) {
035        super(session);
036      }
037    
038      public void purge(PurgeContext context) {
039        Query query = getSession().createQuery("SELECT d.projectSnapshotId FROM " + DependencyDto.class.getSimpleName() +
040            " d WHERE EXISTS(FROM " + Snapshot.class.getSimpleName() + " s WHERE s.id=d.projectSnapshotId AND s.last=:last and s.status=:status)");
041        query.setParameter("last", Boolean.FALSE);
042        query.setParameter("status", Snapshot.STATUS_PROCESSED);
043    
044        final List<Integer> projectSnapshotIds = query.getResultList();
045        PurgeUtils.executeQuery(getSession(), "", projectSnapshotIds, "DELETE FROM " + DependencyDto.class.getSimpleName() + " WHERE projectSnapshotId in (:ids)");
046      }
047    }