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.lifecycle.internal.builder.BuilderCommon;
024import org.apache.maven.project.MavenProject;
025
026import java.util.Collection;
027import java.util.Collections;
028import java.util.HashSet;
029
030/**
031 * Contains status information that is global to an entire reactor build.
032 *
033 * @since 3.0
034 * @author <a href="mailto:kristian.rosenvold@gmail.com">Kristian Rosenvold</a>
035 */
036public class ReactorBuildStatus
037{
038    private final ProjectDependencyGraph projectDependencyGraph;
039
040    private final Collection<String> blackListedProjects = Collections.synchronizedSet( new HashSet<String>() );
041
042    private volatile boolean halted = false;
043
044    public ReactorBuildStatus( ProjectDependencyGraph projectDependencyGraph )
045    {
046        this.projectDependencyGraph = projectDependencyGraph;
047    }
048
049    public boolean isBlackListed( MavenProject project )
050    {
051        return blackListedProjects.contains( BuilderCommon.getKey( project ) );
052    }
053
054    public void blackList( MavenProject project )
055    {
056        if ( blackListedProjects.add( BuilderCommon.getKey( project ) ) && projectDependencyGraph != null )
057        {
058            for ( MavenProject downstreamProject : projectDependencyGraph.getDownstreamProjects( project, true ) )
059            {
060                blackListedProjects.add( BuilderCommon.getKey( downstreamProject ) );
061            }
062        }
063    }
064
065    public void halt()
066    {
067        halted = true;
068    }
069
070    public boolean isHalted()
071    {
072        return halted;
073    }
074
075    public boolean isHaltedOrBlacklisted( MavenProject mavenProject )
076    {
077        return isBlackListed( mavenProject ) || isHalted();
078    }
079
080}