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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2017 SonarSource SA
   4  * mailto:info AT sonarsource DOT com
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20 package org.sonar.server.computation.task.projectanalysis.step;
  21
  22 import org.sonar.core.util.CloseableIterator;
  23 import org.sonar.db.DbClient;
  24 import org.sonar.db.DbSession;
  25 import org.sonar.db.duplication.DuplicationUnitDto;
  26 import org.sonar.scanner.protocol.output.ScannerReport;
  27 import org.sonar.server.computation.task.projectanalysis.analysis.Analysis;
  28 import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
  29 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReader;
  30 import org.sonar.server.computation.task.projectanalysis.component.Component;
  31 import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthLimit;
  32 import org.sonar.server.computation.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
  33 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolder;
  34 import org.sonar.server.computation.task.projectanalysis.component.TypeAwareVisitorAdapter;
  35 import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
  36 import org.sonar.server.computation.task.projectanalysis.duplication.CrossProjectDuplicationStatusHolder;
  37 import org.sonar.server.computation.task.step.ComputationStep;
  38
  39 import static org.sonar.server.computation.task.projectanalysis.component.ComponentVisitor.Order.PRE_ORDER;
  40
  41 import java.util.List;
  42
  43 import javax.annotation.Nullable;
  44
  45 /**
  46  * Persist cross project duplications text blocks into DUPLICATIONS_INDEX table
  47  */
  48 public class PersistCrossProjectDuplicationIndexStep implements ComputationStep {
  49
  50   private final DbClient dbClient;
  51   private final TreeRootHolder treeRootHolder;
  52   private final AnalysisMetadataHolder analysisMetadataHolder;
  53   private final BatchReportReader reportReader;
  54   private final CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder;
  55
  56   public PersistCrossProjectDuplicationIndexStep(CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder, DbClient dbClient,
  57     TreeRootHolder treeRootHolder, AnalysisMetadataHolder analysisMetadataHolder,
  58     BatchReportReader reportReader) {
  59     this.dbClient = dbClient;
  60     this.treeRootHolder = treeRootHolder;
  61     this.analysisMetadataHolder = analysisMetadataHolder;
  62     this.reportReader = reportReader;
  63     this.crossProjectDuplicationStatusHolder = crossProjectDuplicationStatusHolder;
  64   }
  65
  66   @Override
  67   public void execute() {
  68     if (!crossProjectDuplicationStatusHolder.isEnabled()) {
  69       return;
  70     }
  71
  72     try (DbSession dbSession = dbClient.openSession(true)) {
  73       Component project = treeRootHolder.getRoot();
  74       Analysis baseAnalysis = analysisMetadataHolder.getBaseAnalysis();
  75       String lastAnalysysUuid = (baseAnalysis != null) ? baseAnalysis.getUuid() : null;
  76       new DepthTraversalTypeAwareCrawler(new DuplicationVisitor(dbSession, analysisMetadataHolder.getUuid(), lastAnalysysUuid)).visit(project);
  77       dbSession.commit();
  78     }
  79   }
  80
  81   private class DuplicationVisitor extends TypeAwareVisitorAdapter {
  82
  83     private final DbSession session;
  84     private final String analysisUuid;
  85     private final String lastAnalysisUuid;
  86
  87     private DuplicationVisitor(DbSession session, String analysisUuid, @Nullable String lastAnalysisUuid) {
  88       super(CrawlerDepthLimit.FILE, PRE_ORDER);
  89       this.session = session;
  90       this.analysisUuid = analysisUuid;
  91       this.lastAnalysisUuid = lastAnalysisUuid;
  92     }
  93
  94     @Override
  95     public void visitFile(Component file) {
  96       visitComponent(file);
  97     }
  98
  99     private void visitComponent(Component component) {
 100       if (component.getStatus() == Status.SAME) {
 101         readFromDb(component);
 102       } else {
 103         readFromReport(component);
 104       }
 105     }
 106
 107     private void readFromReport(Component component) {
 108       int indexInFile = 0;
 109       CloseableIterator<ScannerReport.CpdTextBlock> blocks = reportReader.readCpdTextBlocks(component.getReportAttributes().getRef());
 110       try {
 111         while (blocks.hasNext()) {
 112           ScannerReport.CpdTextBlock block = blocks.next();
 113           dbClient.duplicationDao().insert(
 114             session,
 115             new DuplicationUnitDto()
 116               .setHash(block.getHash())
 117               .setStartLine(block.getStartLine())
 118               .setEndLine(block.getEndLine())
 119               .setIndexInFile(indexInFile)
 120               .setAnalysisUuid(analysisUuid)
 121               .setComponentUuid(component.getUuid()));
 122           indexInFile++;
 123         }
 124       } finally {
 125         blocks.close();
 126       }
 127     }
 128
 129     private void readFromDb(Component component) {
 130       int indexInFile = 0;
 131       List<DuplicationUnitDto> units = dbClient.duplicationDao().selectComponent(session, component.getUuid(), lastAnalysisUuid);
 132       for (DuplicationUnitDto unit : units) {
 133         unit.setAnalysisUuid(analysisUuid);
 134         unit.setIndexInFile(indexInFile);
 135         dbClient.duplicationDao().insert(session, unit);
 136         indexInFile++;
 137       }
 138     }
 139   }
 140
 141   @Override
 142   public String getDescription() {
 143     return "Persist cross project duplications index";
 144   }
 145
 146 }