001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * SonarQube 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     * SonarQube 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 License
017     * along with this program; if not, write to the Free Software Foundation,
018     * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019     */
020    package org.sonar.batch.components;
021    
022    import com.google.common.collect.Maps;
023    import org.apache.commons.lang.ObjectUtils;
024    import org.apache.commons.lang.StringUtils;
025    import org.sonar.api.BatchExtension;
026    import org.sonar.api.database.DatabaseSession;
027    import org.sonar.api.database.model.Snapshot;
028    import org.sonar.api.measures.Metric;
029    import org.sonar.api.measures.MetricFinder;
030    import org.sonar.api.resources.Qualifiers;
031    import org.sonar.api.resources.Resource;
032    
033    import javax.annotation.Nullable;
034    import javax.persistence.Query;
035    
036    import java.util.Collection;
037    import java.util.Collections;
038    import java.util.List;
039    import java.util.Map;
040    
041    public class PastMeasuresLoader implements BatchExtension {
042    
043      private Map<Integer, Metric> metricByIds;
044      private DatabaseSession session;
045    
046      public PastMeasuresLoader(DatabaseSession session, MetricFinder metricFinder) {
047        this(session, metricFinder.findAll());
048      }
049    
050      PastMeasuresLoader(DatabaseSession session, Collection<Metric> metrics) {
051        this.session = session;
052        this.metricByIds = Maps.newHashMap();
053        for (Metric metric : metrics) {
054          if (metric.isNumericType()) {
055            metricByIds.put(metric.getId(), metric);
056          }
057        }
058      }
059    
060      public Collection<Metric> getMetrics() {
061        return metricByIds.values();
062      }
063    
064      public List<Object[]> getPastMeasures(Resource resource, PastSnapshot projectPastSnapshot) {
065        if (projectPastSnapshot != null && projectPastSnapshot.getProjectSnapshot() != null) {
066          return getPastMeasures(resource.getEffectiveKey(), resource.getPath(), projectPastSnapshot.getProjectSnapshot());
067        }
068        return Collections.emptyList();
069      }
070    
071      public List<Object[]> getPastMeasures(String resourceKey, Snapshot projectPastSnapshot) {
072        return getPastMeasures(resourceKey, null, projectPastSnapshot);
073      }
074    
075      public List<Object[]> getPastMeasures(String resourceKey, @Nullable String path, Snapshot projectPastSnapshot) {
076        String sql = "select m.metric_id, m.characteristic_id, m.person_id, m.rule_id, m.value from project_measures m, snapshots s" +
077          " where m.snapshot_id=s.id and m.metric_id in (:metricIds) " +
078          "       and (s.root_snapshot_id=:rootSnapshotId or s.id=:rootSnapshotId) " +
079          "       and s.status=:status and s.project_id=(select p.id from projects p where p.kee=:resourceKey and p.qualifier<>:lib"
080          + (StringUtils.isNotBlank(path) ? " and p.path=:path" : "")
081          + ")";
082        Query q = session.createNativeQuery(sql)
083          .setParameter("metricIds", metricByIds.keySet())
084          .setParameter("rootSnapshotId", ObjectUtils.defaultIfNull(projectPastSnapshot.getRootId(), projectPastSnapshot.getId()))
085          .setParameter("resourceKey", resourceKey)
086          .setParameter("lib", Qualifiers.LIBRARY)
087          .setParameter("status", Snapshot.STATUS_PROCESSED);
088        if (StringUtils.isNotBlank(path)) {
089          q.setParameter("path", path);
090        }
091        return q.getResultList();
092      }
093    
094      public static int getMetricId(Object[] row) {
095        // can be BigDecimal on Oracle
096        return ((Number) row[0]).intValue();
097      }
098    
099      public static Integer getCharacteristicId(Object[] row) {
100        // can be BigDecimal on Oracle
101        Number number = (Number) row[1];
102        return number != null ? number.intValue() : null;
103      }
104    
105      public static Integer getPersonId(Object[] row) {
106        // can be BigDecimal on Oracle
107        Number number = (Number) row[2];
108        return number != null ? number.intValue() : null;
109      }
110    
111      public static Integer getRuleId(Object[] row) {
112        // can be BigDecimal on Oracle
113        Number number = (Number) row[3];
114        return number != null ? number.intValue() : null;
115      }
116    
117      public static boolean hasValue(Object[] row) {
118        return row[4] != null;
119      }
120    
121      public static double getValue(Object[] row) {
122        return ((Number) row[4]).doubleValue();
123      }
124    
125    }