/*
* The MIT License
*
* Copyright (c) 2004-2010, Sun Microsystems, Inc., Kohsuke Kawaguchi,
* Brian Westrich, Jean-Baptiste Quenot
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson;
import hudson.model.AbstractProject;
import jenkins.model.Jenkins;
import hudson.security.ACL;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.Collection;
import java.util.logging.Logger;
import org.acegisecurity.Authentication;
import org.acegisecurity.context.SecurityContext;
import org.acegisecurity.context.SecurityContextHolder;
/**
* Runs a job on all projects in the order of dependencies
*/
public class DependencyRunner implements Runnable {
private static final Logger LOGGER = Logger.getLogger(DependencyRunner.class.getName());
ProjectRunnable runnable;
List<AbstractProject> polledProjects = new ArrayList<AbstractProject>();
public DependencyRunner(ProjectRunnable runnable) {
this.runnable = runnable;
}
public void run() {
SecurityContext oldContext = ACL.impersonate(ACL.SYSTEM);
try {
Set<AbstractProject> topLevelProjects = new HashSet<AbstractProject>();
// Get all top-level projects
LOGGER.fine("assembling top level projects");
for (AbstractProject p : Jenkins.getInstance().getAllItems(AbstractProject.class))
if (p.getUpstreamProjects().size() == 0) {
LOGGER.fine("adding top level project " + p.getName());
topLevelProjects.add(p);
} else {
LOGGER.fine("skipping project since not a top level project: " + p.getName());
}
populate(topLevelProjects);
for (AbstractProject p : polledProjects) {
LOGGER.fine("running project in correct dependency order: " + p.getName());
runnable.run(p);
}
} finally {
SecurityContextHolder.setContext(oldContext);
}
}
private void populate(Collection<? extends AbstractProject> projectList) {
for (AbstractProject<?,?> p : projectList) {
if (polledProjects.contains(p)) {
// Project will be readded at the queue, so that we always use
// the longest path
LOGGER.fine("removing project " + p.getName() + " for re-add");
polledProjects.remove(p);
}
LOGGER.fine("adding project " + p.getName());
polledProjects.add(p);
// Add all downstream dependencies
populate(p.getDownstreamProjects());
}
}
public interface ProjectRunnable {
void run(AbstractProject p);
}
}