/*******************************************************************************
 *
 * Copyright (c) 2010-2011 Sonatype, Inc.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *
 *
 *
 *
 *******************************************************************************/ 

package org.hudsonci.service.internal;

import static org.hudsonci.service.internal.ServicePreconditions.*;
import hudson.model.BuildListener;
import hudson.model.DependencyGraph;
import hudson.model.TaskListener;
import hudson.model.AbstractBuild;
import hudson.tasks.BuildTrigger;

import javax.inject.Singleton;

import org.hudsonci.service.DependencyGraphService;

/**
 * Default implementation of {@link DependencyGraphService}.
 *
 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
 * @since 2.1.0
 */
@Singleton
public class DependencyGraphServiceImpl extends ServiceSupport implements DependencyGraphService {

    public DependencyGraph getGraph() {
        return getHudson().getDependencyGraph();
    }

    public void rebuild() {
        log.debug("Rebuilding dependency graph");
        getHudson().rebuildDependencyGraph();
    }

    public void triggerDependents(final AbstractBuild<?, ?> build, final TaskListener listener) {
        checkNotNull(build, "build");
        checkNotNull(listener, "listener");

        if (log.isDebugEnabled()) {
            log.debug("Maybe triggering dependents of build: {}", build.getFullDisplayName());
        }

        // FIXME: In a more perfect world, the BuildTrigger would use this
        // service, instead of us calling it directly here
        BuildTrigger.execute(build, (BuildListener) listener);
    }
}