Java tutorial
package org.apache.maven.lifecycle.internal; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import org.apache.maven.execution.ProjectDependencyGraph; import org.apache.maven.lifecycle.internal.builder.BuilderCommon; import org.apache.maven.project.MavenProject; import java.util.Collection; import java.util.Collections; import java.util.HashSet; /** * Contains status information that is global to an entire reactor build. * * @since 3.0 * @author <a href="mailto:kristian.rosenvold@gmail.com">Kristian Rosenvold</a> */ public class ReactorBuildStatus { private final ProjectDependencyGraph projectDependencyGraph; private final Collection<String> blackListedProjects = Collections.synchronizedSet(new HashSet<String>()); private volatile boolean halted = false; public ReactorBuildStatus(ProjectDependencyGraph projectDependencyGraph) { this.projectDependencyGraph = projectDependencyGraph; } public boolean isBlackListed(MavenProject project) { return blackListedProjects.contains(BuilderCommon.getKey(project)); } public void blackList(MavenProject project) { if (blackListedProjects.add(BuilderCommon.getKey(project)) && projectDependencyGraph != null) { for (MavenProject downstreamProject : projectDependencyGraph.getDownstreamProjects(project, true)) { blackListedProjects.add(BuilderCommon.getKey(downstreamProject)); } } } public void halt() { halted = true; } public boolean isHalted() { return halted; } public boolean isHaltedOrBlacklisted(MavenProject mavenProject) { return isBlackListed(mavenProject) || isHalted(); } }