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.ResourceModel;
024    import org.sonar.api.database.model.Snapshot;
025    
026    import org.sonar.plugins.dbcleaner.api.Purge;
027    import org.sonar.plugins.dbcleaner.api.PurgeContext;
028    import org.sonar.plugins.dbcleaner.api.PurgeUtils;
029    
030    import java.util.List;
031    
032    import javax.persistence.Query;
033    
034    /**
035     * @since 1.11
036     */
037    public final class PurgeDisabledResources extends Purge {
038    
039      public PurgeDisabledResources(DatabaseSession session) {
040        super(session);
041      }
042    
043      public void purge(PurgeContext context) {
044        PurgeUtils.deleteSnapshotsData(getSession(), getSnapshotIds());
045        deleteResources();
046      }
047    
048      private void deleteResources() {
049        final List<Integer> resourceIds = getResourceIds();
050        if ( !resourceIds.isEmpty()) {
051          PurgeUtils.executeQuery(getSession(), "", resourceIds, "delete from " + ResourceModel.class.getSimpleName() + " r where r.id in (:ids)");
052        }
053      }
054    
055      private List<Integer> getResourceIds() {
056        Query query = getSession().createQuery("SELECT r.id FROM " + ResourceModel.class.getSimpleName() + " r WHERE r.enabled=:enabled");
057        query.setParameter("enabled", Boolean.FALSE);
058        return query.getResultList();
059      }
060    
061      private List<Integer> getSnapshotIds() {
062        Query query = getSession().createQuery("SELECT s.id FROM " + Snapshot.class.getSimpleName() + " s WHERE " +
063            " EXISTS (FROM " + ResourceModel.class.getSimpleName() + " r WHERE r.id=s.resourceId AND r.enabled=:enabled)");
064        query.setParameter("enabled", Boolean.FALSE);
065        return query.getResultList();
066      }
067    }