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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 java.util.List;
  23 import javax.annotation.Nullable;
  24 import org.sonar.core.util.CloseableIterator;
  25 import org.sonar.db.DbClient;
  26 import org.sonar.db.DbSession;
  27 import org.sonar.db.duplication.DuplicationUnitDto;
  28 import org.sonar.scanner.protocol.output.ScannerReport;
  29 import org.sonar.server.computation.task.projectanalysis.analysis.Analysis;
  30 import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
  31 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReader;
  32 import org.sonar.server.computation.task.projectanalysis.component.Component;
  33 import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
  34 import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthLimit;
  35 import org.sonar.server.computation.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
  36 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolder;
  37 import org.sonar.server.computation.task.projectanalysis.component.TypeAwareVisitorAdapter;
  38 import org.sonar.server.computation.task.projectanalysis.duplication.CrossProjectDuplicationStatusHolder;
  39 import org.sonar.server.computation.task.step.ComputationStep;
  40
  41 import static org.sonar.server.computation.task.projectanalysis.component.ComponentVisitor.Order.PRE_ORDER;
  42
  43 /**
  44  * Persist cross project duplications text blocks into DUPLICATIONS_INDEX table
  45  */
  46 public class PersistCrossProjectDuplicationIndexStep implements ComputationStep {
  47
  48   private final DbClient dbClient;
  49   private final TreeRootHolder treeRootHolder;
  50   private final AnalysisMetadataHolder analysisMetadataHolder;
  51   private final BatchReportReader reportReader;
  52   private final CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder;
  53
  54   public PersistCrossProjectDuplicationIndexStep(CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder, DbClient dbClient,
  55     TreeRootHolder treeRootHolder, AnalysisMetadataHolder analysisMetadataHolder,
  56     BatchReportReader reportReader) {
  57     this.dbClient = dbClient;
  58     this.treeRootHolder = treeRootHolder;
  59     this.analysisMetadataHolder = analysisMetadataHolder;
  60     this.reportReader = reportReader;
  61     this.crossProjectDuplicationStatusHolder = crossProjectDuplicationStatusHolder;
  62   }
  63
  64   @Override
  65   public void execute() {
  66     if (!crossProjectDuplicationStatusHolder.isEnabled()) {
  67       return;
  68     }
  69
  70     try (DbSession dbSession = dbClient.openSession(true)) {
  71       Component project = treeRootHolder.getRoot();
  72       Analysis baseAnalysis = analysisMetadataHolder.getBaseAnalysis();
  73       String lastAnalysysUuid = (baseAnalysis != null) ? baseAnalysis.getUuid() : null;
  74       new DepthTraversalTypeAwareCrawler(new DuplicationVisitor(dbSession, analysisMetadataHolder.getUuid(), lastAnalysysUuid)).visit(project);
  75       dbSession.commit();
  76     }
  77   }
  78
  79   private class DuplicationVisitor extends TypeAwareVisitorAdapter {
  80
  81     private final DbSession session;
  82     private final String analysisUuid;
  83     private final String lastAnalysisUuid;
  84
  85     private DuplicationVisitor(DbSession session, String analysisUuid, @Nullable String lastAnalysisUuid) {
  86       super(CrawlerDepthLimit.FILE, PRE_ORDER);
  87       this.session = session;
  88       this.analysisUuid = analysisUuid;
  89       this.lastAnalysisUuid = lastAnalysisUuid;
  90     }
  91
  92     @Override
  93     public void visitFile(Component file) {
  94       visitComponent(file);
  95     }
  96
  97     private void visitComponent(Component component) {
  98       if (analysisMetadataHolder.isIncrementalAnalysis() && component.getStatus() == Status.SAME) {
  99         readFromDb(component);
 100       } else {
 101         readFromReport(component);
 102       }
 103     }
 104
 105     private void readFromReport(Component component) {
 106       int indexInFile = 0;
 107       try (CloseableIterator<ScannerReport.CpdTextBlock> blocks = reportReader.readCpdTextBlocks(component.getReportAttributes().getRef())) {
 108         while (blocks.hasNext()) {
 109           ScannerReport.CpdTextBlock block = blocks.next();
 110           dbClient.duplicationDao().insert(
 111             session,
 112             new DuplicationUnitDto()
 113               .setHash(block.getHash())
 114               .setStartLine(block.getStartLine())
 115               .setEndLine(block.getEndLine())
 116               .setIndexInFile(indexInFile)
 117               .setAnalysisUuid(analysisUuid)
 118               .setComponentUuid(component.getUuid()));
 119           indexInFile++;
 120         }
 121       }
 122     }
 123
 124     private void readFromDb(Component component) {
 125       int indexInFile = 0;
 126       List<DuplicationUnitDto> units = dbClient.duplicationDao().selectComponent(session, component.getUuid(), lastAnalysisUuid);
 127       for (DuplicationUnitDto unit : units) {
 128         unit.setAnalysisUuid(analysisUuid);
 129         unit.setIndexInFile(indexInFile);
 130         dbClient.duplicationDao().insert(session, unit);
 131         indexInFile++;
 132       }
 133     }
 134   }
 135
 136   @Override
 137   public String getDescription() {
 138     return "Persist cross project duplications index";
 139   }
 140
 141 }