001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 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.batch.index;
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    import org.sonar.api.resources.Project;
026    import org.sonar.api.resources.ProjectLink;
027    
028    public final class LinkPersister {
029      private DatabaseSession session;
030      private ResourcePersister resourcePersister;
031    
032      public LinkPersister(DatabaseSession session, ResourcePersister resourcePersister) {
033        this.session = session;
034        this.resourcePersister = resourcePersister;
035      }
036    
037      public void saveLink(Project project, ProjectLink link) {
038        Snapshot snapshot = resourcePersister.getSnapshotOrFail(project);
039        ResourceModel projectDao = session.reattach(ResourceModel.class, snapshot.getResourceId());
040        ProjectLink dbLink = projectDao.getProjectLink(link.getKey());
041        if (dbLink == null) {
042          link.setResource(projectDao);
043          projectDao.getProjectLinks().add(link);
044          session.save(link);
045    
046        } else {
047          dbLink.copyFieldsFrom(link);
048          session.save(dbLink);
049        }
050        session.commit();
051    
052      }
053    
054      public void deleteLink(Project project, String linkKey) {
055        Snapshot snapshot = resourcePersister.getSnapshot(project);
056        if (snapshot != null) {
057          ResourceModel model = session.reattach(ResourceModel.class, snapshot.getResourceId());
058          ProjectLink dbLink = model.getProjectLink(linkKey);
059          if (dbLink != null) {
060            session.remove(dbLink);
061            model.getProjectLinks().remove(dbLink);
062            session.commit();
063          }
064    
065        }
066      }
067    }