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.components;
021
022import org.sonar.api.BatchExtension;
023import org.sonar.api.CoreProperties;
024import org.sonar.api.database.DatabaseSession;
025import org.sonar.api.database.model.Snapshot;
026import org.sonar.api.resources.Qualifiers;
027
028import java.util.Date;
029import java.util.List;
030
031public class PastSnapshotFinderByVersion implements BatchExtension {
032
033  private final DatabaseSession session;
034
035  public PastSnapshotFinderByVersion(DatabaseSession session) {
036    this.session = session;
037  }
038
039  PastSnapshot findByVersion(Snapshot projectSnapshot, String version) {
040    String hql = "from " + Snapshot.class.getSimpleName() + " where version=:version AND resourceId=:resourceId AND status=:status AND qualifier<>:lib order by createdAt desc";
041    List<Snapshot> snapshots = session.createQuery(hql)
042        .setParameter("version", version)
043        .setParameter("resourceId", projectSnapshot.getResourceId())
044        .setParameter("status", Snapshot.STATUS_PROCESSED)
045        .setParameter("lib", Qualifiers.LIBRARY)
046        .setMaxResults(1)
047        .getResultList();
048
049    PastSnapshot result;
050    if (snapshots.isEmpty()) {
051      result = new PastSnapshot(CoreProperties.TIMEMACHINE_MODE_VERSION);
052    } else {
053      Snapshot snapshot = snapshots.get(0);
054      Date targetDate = snapshot.getCreatedAt();
055      result = new PastSnapshot(CoreProperties.TIMEMACHINE_MODE_VERSION, targetDate, snapshot).setModeParameter(version);
056    }
057    return result;
058  }
059
060}