SONAR-12691 Minor cleanup

server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/purge/ProjectCleaner.java

 @ServerSide
 @ComputeEngineSide
 public class ProjectCleaner {
-  private static final Logger LOG = Loggers.get(ProjectCleaner.class);
-
   private final PurgeProfiler profiler;
   private final PurgeListener purgeListener;
   private final PurgeDao purgeDao;
   }
 
   public ProjectCleaner purge(DbSession session, String rootUuid, String projectUuid, Configuration projectConfig, Set<String> disabledComponentUuids) {
-    long start = System.currentTimeMillis();
     profiler.reset();
 
     periodCleaner.clean(session, rootUuid, projectConfig);
     purgeDao.purge(session, configuration, purgeListener, profiler);
 
     session.commit();
-    logProfiling(start, projectConfig);
     return this;
   }
-
-  private void logProfiling(long start, Configuration config) {
-    if (config.getBoolean(CoreProperties.PROFILING_LOG_PROPERTY).orElse(false)) {
-      long duration = System.currentTimeMillis() - start;
-      LOG.info("\n -------- Profiling for purge: " + TimeUtils.formatDuration(duration) + " --------\n");
-      profiler.dump(duration, LOG);
-      LOG.info("\n -------- End of profiling for purge --------\n");
-    }
-  }
 }

server/sonar-ce-task-projectanalysis/src/main/java/org/sonar/ce/task/projectanalysis/purge/PurgeDatastoresStep.java

 package org.sonar.ce.task.projectanalysis.purge;
 
 import org.sonar.ce.task.projectanalysis.analysis.AnalysisMetadataHolder;
-import org.sonar.ce.task.projectanalysis.component.Component;
 import org.sonar.ce.task.projectanalysis.component.ConfigurationRepository;
-import org.sonar.ce.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
 import org.sonar.ce.task.projectanalysis.component.DisabledComponentsHolder;
 import org.sonar.ce.task.projectanalysis.component.TreeRootHolder;
-import org.sonar.ce.task.projectanalysis.component.TypeAwareVisitorAdapter;
 import org.sonar.ce.task.step.ComputationStep;
 import org.sonar.db.DbClient;
 import org.sonar.db.DbSession;
 
-import static org.sonar.ce.task.projectanalysis.component.Component.Type.PROJECT;
-import static org.sonar.ce.task.projectanalysis.component.Component.Type.VIEW;
-import static org.sonar.ce.task.projectanalysis.component.ComponentVisitor.Order.PRE_ORDER;
-import static org.sonar.ce.task.projectanalysis.component.CrawlerDepthLimit.reportMaxDepth;
-
 public class PurgeDatastoresStep implements ComputationStep {
 
   private final ProjectCleaner projectCleaner;
 
   @Override
   public void execute(ComputationStep.Context context) {
-    new DepthTraversalTypeAwareCrawler(
-      new TypeAwareVisitorAdapter(reportMaxDepth(PROJECT).withViewsMaxDepth(VIEW), PRE_ORDER) {
-        @Override
-        public void visitProject(Component project) {
-          execute(project);
-        }
-
-        @Override
-        public void visitView(Component view) {
-          execute(view);
-        }
-      }).visit(treeRootHolder.getRoot());
-  }
-
-  private void execute(Component root) {
     try (DbSession dbSession = dbClient.openSession(true)) {
+      // applies to views and projects
       String projectUuid = analysisMetadataHolder.getProject().getUuid();
-      projectCleaner.purge(dbSession, root.getUuid(), projectUuid, configRepository.getConfiguration(), disabledComponentsHolder.getUuids());
+      projectCleaner.purge(dbSession, treeRootHolder.getRoot().getUuid(), projectUuid, configRepository.getConfiguration(), disabledComponentsHolder.getUuids());
       dbSession.commit();
     }
   }

server/sonar-ce-task-projectanalysis/src/test/java/org/sonar/ce/task/projectanalysis/purge/ProjectCleanerTest.java

     this.underTest = new ProjectCleaner(dao, periodCleaner, profiler, purgeListener);
   }
 
-  @Test
-  public void no_profiling_when_property_is_false() {
-    settings.setProperty(CoreProperties.PROFILING_LOG_PROPERTY, false);
-
-    underTest.purge(mock(DbSession.class), "root", "project", settings.asConfig(), emptySet());
-
-    verify(profiler, never()).dump(anyLong(), any());
-  }
-
-  @Test
-  public void profiling_when_property_is_true() {
-    settings.setProperty(CoreProperties.PROFILING_LOG_PROPERTY, true);
-
-    underTest.purge(mock(DbSession.class), "root", "project", settings.asConfig(), emptySet());
-
-    verify(profiler).dump(anyLong(), any());
-  }
-
   @Test
   public void call_period_cleaner_index_client_and_purge_dao() {
     settings.setProperty(PurgeConstants.DAYS_BEFORE_DELETING_CLOSED_ISSUES, 5);

sonar-plugin-api/src/main/java/org/sonar/api/CoreProperties.java

   @Deprecated
   String SCAN_TASK = "scan";
 
-  /**
-   * @since 3.6
-   */
-  // TODO remove?
-  String PROFILING_LOG_PROPERTY = "sonar.showProfiling";
-
   /**
    * @since 4.0
    */