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.plugins.dbcleaner.api.Purge; 025 import org.sonar.plugins.dbcleaner.api.PurgeContext; 026 import org.sonar.plugins.dbcleaner.api.PurgeUtils; 027 028 import java.util.List; 029 030 import javax.persistence.Query; 031 032 /** 033 * @since 2.1 034 */ 035 public final class PurgeOrphanResources extends Purge { 036 037 public PurgeOrphanResources(DatabaseSession session) { 038 super(session); 039 } 040 041 public void purge(PurgeContext context) { 042 Query query = getSession().createQuery("SELECT r1.id FROM " + ResourceModel.class.getSimpleName() + 043 " r1 WHERE r1.rootId IS NOT NULL AND NOT EXISTS(FROM " + ResourceModel.class.getSimpleName() + " r2 WHERE r1.rootId=r2.id)"); 044 List<Integer> idsToDelete = query.getResultList(); 045 if (!idsToDelete.isEmpty()) { 046 PurgeUtils.executeQuery(getSession(), "", idsToDelete, "DELETE FROM " + ResourceModel.class.getSimpleName() + " WHERE id in (:ids)"); 047 } 048 } 049 }