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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 javax.annotation.CheckForNull;
  23 import javax.annotation.Nullable;
  24 import org.sonar.db.DbClient;
  25 import org.sonar.db.DbSession;
  26 import org.sonar.db.component.SnapshotDto;
  27 import org.sonar.db.component.SnapshotQuery;
  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.Branch;
  31 import org.sonar.server.computation.task.projectanalysis.analysis.MutableAnalysisMetadataHolder;
  32 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReader;
  33 import org.sonar.server.computation.task.projectanalysis.component.Component;
  34 import org.sonar.server.computation.task.projectanalysis.component.ComponentKeyGenerator;
  35 import org.sonar.server.computation.task.projectanalysis.component.ComponentTreeBuilder;
  36 import org.sonar.server.computation.task.projectanalysis.component.ComponentUuidFactory;
  37 import org.sonar.server.computation.task.projectanalysis.component.DefaultBranchImpl;
  38 import org.sonar.server.computation.task.projectanalysis.component.MutableTreeRootHolder;
  39 import org.sonar.server.computation.task.step.ComputationStep;
  40
  41 /**
  42  * Populates the {@link MutableTreeRootHolder} and {@link MutableAnalysisMetadataHolder} from the {@link BatchReportReader}
  43  */
  44 public class BuildComponentTreeStep implements ComputationStep {
  45
  46   private final DbClient dbClient;
  47   private final BatchReportReader reportReader;
  48   private final MutableTreeRootHolder treeRootHolder;
  49   private final MutableAnalysisMetadataHolder analysisMetadataHolder;
  50
  51   public BuildComponentTreeStep(DbClient dbClient, BatchReportReader reportReader,
  52     MutableTreeRootHolder treeRootHolder, MutableAnalysisMetadataHolder analysisMetadataHolder) {
  53     this.dbClient = dbClient;
  54     this.reportReader = reportReader;
  55     this.treeRootHolder = treeRootHolder;
  56     this.analysisMetadataHolder = analysisMetadataHolder;
  57   }
  58
  59   @Override
  60   public String getDescription() {
  61     return "Build tree of components";
  62   }
  63
  64   @Override
  65   public void execute() {
  66     try (DbSession dbSession = dbClient.openSession(false)) {
  67       ScannerReport.Component reportProject = reportReader.readComponent(analysisMetadataHolder.getRootComponentRef());
  68       ComponentKeyGenerator keyGenerator = loadKeyGenerator();
  69       ComponentKeyGenerator publicKeyGenerator = loadPublicKeyGenerator();
  70
  71       // root key of branch, not necessarily of project
  72       String rootKey = keyGenerator.generateKey(reportProject, null);
  73
  74       // loads the UUIDs from database. If they don't exist, then generate new ones
  75       ComponentUuidFactory componentUuidFactory = new ComponentUuidFactory(dbClient, dbSession, rootKey);
  76
  77       String rootUuid = componentUuidFactory.getOrCreateForKey(rootKey);
  78       SnapshotDto baseAnalysis = loadBaseAnalysis(dbSession, rootUuid);
  79
  80       ComponentTreeBuilder builder = new ComponentTreeBuilder(keyGenerator, publicKeyGenerator,
  81         componentUuidFactory::getOrCreateForKey,
  82         reportReader::readComponent,
  83         analysisMetadataHolder.getProject(),
  84         baseAnalysis);
  85       Component project = builder.buildProject(reportProject);
  86
  87       treeRootHolder.setRoot(project);
  88       analysisMetadataHolder.setBaseAnalysis(toAnalysis(baseAnalysis));
  89     }
  90   }
  91
  92   private ComponentKeyGenerator loadKeyGenerator() {
  93     return analysisMetadataHolder.getBranch();
  94   }
  95
  96   private ComponentKeyGenerator loadPublicKeyGenerator() {
  97     Branch branch = analysisMetadataHolder.getBranch();
  98
  99     // for non-legacy branches, the public key is different from the DB key.
 100     if (!branch.isLegacyFeature() && !branch.isMain()) {
 101       return new DefaultBranchImpl();
 102     }
 103     return branch;
 104   }
 105
 106   @CheckForNull
 107   private SnapshotDto loadBaseAnalysis(DbSession dbSession, String rootUuid) {
 108     return dbClient.snapshotDao().selectAnalysisByQuery(
 109       dbSession,
 110       new SnapshotQuery()
 111         .setComponentUuid(rootUuid)
 112         .setIsLast(true));
 113   }
 114
 115   @CheckForNull
 116   private static Analysis toAnalysis(@Nullable SnapshotDto dto) {
 117     if (dto != null) {
 118       return new Analysis.Builder()
 119         .setId(dto.getId())
 120         .setUuid(dto.getUuid())
 121         .setCreatedAt(dto.getCreatedAt())
 122         .build();
 123     }
 124     return null;
 125   }
 126
 127 }