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 */
020package org.sonar.batch.index;
021
022import org.sonar.api.batch.Event;
023import org.sonar.api.database.DatabaseSession;
024import org.sonar.api.database.model.Snapshot;
025import org.sonar.api.resources.Resource;
026
027import java.util.Collections;
028import java.util.List;
029
030public final class EventPersister {
031  private DatabaseSession session;
032  private ResourcePersister resourcePersister;
033
034  public EventPersister(DatabaseSession session, ResourcePersister resourcePersister) {
035    this.session = session;
036    this.resourcePersister = resourcePersister;
037  }
038
039  public List<Event> getEvents(Resource resource) {
040    Snapshot snapshot = resourcePersister.getSnapshot(resource);
041    if (snapshot == null) {
042      return Collections.emptyList();
043    }
044    return session.getResults(Event.class, "resourceId", snapshot.getResourceId());
045  }
046
047  public void deleteEvent(Event event) {
048    session.removeWithoutFlush(event);
049    session.commit();
050  }
051
052  public void saveEvent(Resource resource, Event event) {
053    Snapshot snapshot = resourcePersister.getSnapshotOrFail(resource);
054    if (event.getDate() == null) {
055      event.setSnapshot(snapshot);
056    } else {
057      event.setResourceId(snapshot.getResourceId());
058    }
059    session.save(event);
060    session.commit();
061
062  }
063}