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ComputeEngineContainerImpl.java
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ComputeEngineContainerImpl.java
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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.computation.container;
import java.util.Arrays;
import java.util.List;
import org.picocontainer.ComponentAdapter;
import org.picocontainer.DefaultPicoContainer;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.behaviors.OptInCaching;
import org.picocontainer.lifecycle.ReflectionLifecycleStrategy;
import org.picocontainer.monitors.NullComponentMonitor;
import org.sonar.api.utils.log.Loggers;
import org.sonar.api.utils.log.Profiler;
import org.sonar.core.issue.db.UpdateConflictResolver;
import org.sonar.core.platform.ComponentContainer;
import org.sonar.server.computation.ComputationService;
import org.sonar.server.computation.ReportQueue;
import org.sonar.server.computation.activity.ActivityManager;
import org.sonar.server.computation.batch.BatchReportReaderImpl;
import org.sonar.server.computation.batch.ReportExtractor;
import org.sonar.server.computation.component.DbComponentsRefCache;
import org.sonar.server.computation.component.TreeRootHolderImpl;
import org.sonar.server.computation.event.EventRepositoryImpl;
import org.sonar.server.computation.component.ProjectSettingsRepository;
import org.sonar.server.computation.issue.IssueCache;
import org.sonar.server.computation.issue.IssueComputation;
import org.sonar.server.computation.issue.RuleCache;
import org.sonar.server.computation.issue.RuleCacheLoader;
import org.sonar.server.computation.issue.ScmAccountCache;
import org.sonar.server.computation.issue.ScmAccountCacheLoader;
import org.sonar.server.computation.issue.SourceLinesCache;
import org.sonar.server.computation.language.PlatformLanguageRepository;
import org.sonar.server.computation.measure.MeasureRepositoryImpl;
import org.sonar.server.computation.measure.MetricCache;
import org.sonar.server.computation.step.ComputationStep;
import org.sonar.server.computation.step.ComputationSteps;
import org.sonar.server.view.index.ViewIndex;
import static java.util.Objects.requireNonNull;
public class ComputeEngineContainerImpl extends ComponentContainer implements ComputeEngineContainer {
private final ReportQueue.Item item;
private final ComputationSteps steps;
public ComputeEngineContainerImpl(ComponentContainer parent, ReportQueue.Item item) {
super(createContainer(requireNonNull(parent)));
this.item = item;
this.steps = new ComputationSteps(this);
populateContainer(requireNonNull(item));
}
@Override
public ReportQueue.Item getItem() {
return item;
}
private void populateContainer(ReportQueue.Item item) {
add(item);
add(steps);
addSingletons(componentClasses());
addSingletons(steps.orderedStepClasses());
}
/**
* Creates a PicContainer which extends the specified ComponentContainer <strong>but is not referenced in return</strong>
* and lazily starts its components.
*/
private static MutablePicoContainer createContainer(ComponentContainer parent) {
ReflectionLifecycleStrategy lifecycleStrategy = new ReflectionLifecycleStrategy(new NullComponentMonitor(), "start", "stop", "close") {
@Override
public boolean isLazy(ComponentAdapter<?> adapter) {
return true;
}
@Override
public void start(Object component) {
Profiler profiler = Profiler.createIfTrace(Loggers.get(ComponentContainer.class));
profiler.start();
super.start(component);
profiler.stopTrace(component.getClass().getCanonicalName() + " started");
}
};
return new DefaultPicoContainer(new OptInCaching(), lifecycleStrategy, parent.getPicoContainer());
}
/**
* List of all objects to be injected in the picocontainer dedicated to computation stack.
* Does not contain the steps declared in {@link org.sonar.server.computation.step.ComputationSteps#orderedStepClasses()}.
*/
private static List componentClasses() {
return Arrays.asList(
ActivityManager.class,
ReportExtractor.class,
BatchReportReaderImpl.class,
TreeRootHolderImpl.class,
// repositories
PlatformLanguageRepository.class,
MeasureRepositoryImpl.class,
EventRepositoryImpl.class,
ProjectSettingsRepository.class,
// component caches
DbComponentsRefCache.class,
// issues
ScmAccountCacheLoader.class,
ScmAccountCache.class,
SourceLinesCache.class,
IssueComputation.class,
RuleCache.class,
RuleCacheLoader.class,
IssueCache.class,
MetricCache.class,
UpdateConflictResolver.class,
// views
ViewIndex.class,
// ComputationService
ComputationService.class
);
}
public void process() {
// calls the first
getComponentByType(ComputationService.class).process();
}
public void cleanup() {
stopComponents();
}
@Override
public <T extends ComputationStep> T getStep(Class<T> type) {
return getComponentByType(type);
}
@Override
public String toString() {
return "ComputeEngineContainerImpl";
}
}