001package org.apache.maven.lifecycle.internal;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.execution.ProjectDependencyGraph;
023import org.apache.maven.project.MavenProject;
024
025import java.util.Collection;
026import java.util.Collections;
027import java.util.HashSet;
028
029/**
030 * Contains status information that is global to an entire reactor build.
031 * 
032 * @since 3.0
033 * @author <a href="mailto:kristian.rosenvold@gmail.com">Kristian Rosenvold</a>
034 */
035public class ReactorBuildStatus
036{
037    private final ProjectDependencyGraph projectDependencyGraph;
038
039    private final Collection<String> blackListedProjects = Collections.synchronizedSet( new HashSet<String>() );
040
041    private volatile boolean halted = false;
042
043    public ReactorBuildStatus( ProjectDependencyGraph projectDependencyGraph )
044    {
045        this.projectDependencyGraph = projectDependencyGraph;
046    }
047
048    public boolean isBlackListed( MavenProject project )
049    {
050        return blackListedProjects.contains( BuilderCommon.getKey( project ) );
051    }
052
053    public void blackList( MavenProject project )
054    {
055        if ( blackListedProjects.add( BuilderCommon.getKey( project ) ) && projectDependencyGraph != null )
056        {
057            for ( MavenProject downstreamProject : projectDependencyGraph.getDownstreamProjects( project, true ) )
058            {
059                blackListedProjects.add( BuilderCommon.getKey( downstreamProject ) );
060            }
061        }
062    }
063
064    public void halt()
065    {
066        halted = true;
067    }
068
069    public boolean isHalted()
070    {
071        return halted;
072    }
073
074    public boolean isHaltedOrBlacklisted( MavenProject mavenProject )
075    {
076        return isBlackListed( mavenProject ) || isHalted();
077    }
078
079}