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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2016 SonarSource SA
   4  * mailto:contact 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.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.batch.BatchReportReader;
  28 import org.sonar.server.computation.component.Component;
  29 import org.sonar.server.computation.component.CrawlerDepthLimit;
  30 import org.sonar.server.computation.component.DbIdsRepository;
  31 import org.sonar.server.computation.component.DepthTraversalTypeAwareCrawler;
  32 import org.sonar.server.computation.component.TreeRootHolder;
  33 import org.sonar.server.computation.component.TypeAwareVisitorAdapter;
  34 import org.sonar.server.computation.duplication.CrossProjectDuplicationStatusHolder;
  35
  36 import static org.sonar.server.computation.component.ComponentVisitor.Order.PRE_ORDER;
  37
  38 /**
  39  * Persist cross project duplications text blocks into DUPLICATIONS_INDEX table
  40  */
  41 public class PersistCrossProjectDuplicationIndexStep implements ComputationStep {
  42
  43   private final DbClient dbClient;
  44   private final TreeRootHolder treeRootHolder;
  45   private final BatchReportReader reportReader;
  46   private final DbIdsRepository dbIdsRepository;
  47   private final CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder;
  48
  49   public PersistCrossProjectDuplicationIndexStep(DbClient dbClient, DbIdsRepository dbIdsRepository, TreeRootHolder treeRootHolder, BatchReportReader reportReader,
  50     CrossProjectDuplicationStatusHolder crossProjectDuplicationStatusHolder) {
  51     this.dbClient = dbClient;
  52     this.treeRootHolder = treeRootHolder;
  53     this.reportReader = reportReader;
  54     this.dbIdsRepository = dbIdsRepository;
  55     this.crossProjectDuplicationStatusHolder = crossProjectDuplicationStatusHolder;
  56   }
  57
  58   @Override
  59   public void execute() {
  60     DbSession session = dbClient.openSession(true);
  61     try {
  62       if (crossProjectDuplicationStatusHolder.isEnabled()) {
  63         Component project = treeRootHolder.getRoot();
  64         long projectSnapshotId = dbIdsRepository.getSnapshotId(project);
  65         new DepthTraversalTypeAwareCrawler(new DuplicationVisitor(session, projectSnapshotId)).visit(project);
  66       }
  67       session.commit();
  68     } finally {
  69       dbClient.closeSession(session);
  70     }
  71   }
  72
  73   private class DuplicationVisitor extends TypeAwareVisitorAdapter {
  74
  75     private final DbSession session;
  76     private final long projectSnapshotId;
  77
  78     private DuplicationVisitor(DbSession session, long projectSnapshotId) {
  79       super(CrawlerDepthLimit.FILE, PRE_ORDER);
  80       this.session = session;
  81       this.projectSnapshotId = projectSnapshotId;
  82     }
  83
  84     @Override
  85     public void visitFile(Component file) {
  86       visitComponent(file);
  87     }
  88
  89     private void visitComponent(Component component) {
  90       int indexInFile = 0;
  91       CloseableIterator<ScannerReport.CpdTextBlock> blocks = reportReader.readCpdTextBlocks(component.getReportAttributes().getRef());
  92       try {
  93         while (blocks.hasNext()) {
  94           ScannerReport.CpdTextBlock block = blocks.next();
  95           dbClient.duplicationDao().insert(
  96             session,
  97             new DuplicationUnitDto()
  98               .setHash(block.getHash())
  99               .setStartLine(block.getStartLine())
 100               .setEndLine(block.getEndLine())
 101               .setIndexInFile(indexInFile)
 102               .setSnapshotId(dbIdsRepository.getSnapshotId(component))
 103               .setProjectSnapshotId(projectSnapshotId)
 104             );
 105           indexInFile++;
 106         }
 107       } finally {
 108         blocks.close();
 109       }
 110     }
 111   }
 112
 113   @Override
 114   public String getDescription() {
 115     return "Persist cross project duplications index";
 116   }
 117
 118 }