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ImmutableProjectReactorProvider.java
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ImmutableProjectReactorProvider.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.batch.scan;
import org.picocontainer.injectors.ProviderAdapter;
import org.sonar.api.batch.bootstrap.ProjectReactor;
public class ImmutableProjectReactorProvider extends ProviderAdapter {
private ImmutableProjectReactor singleton;
public ImmutableProjectReactor provide(ProjectReactor reactor, ProjectBuildersExecutor projectBuildersExecutor, ProjectExclusions exclusions, ProjectReactorValidator validator) {
if (singleton == null) {
// 1 Apply project builders
projectBuildersExecutor.execute(reactor);
// 2 Apply project exclusions
exclusions.apply(reactor);
// 3 Validate final reactor
validator.validate(reactor);
singleton = new ImmutableProjectReactor(reactor.getRoot());
}
return singleton;
}
}