[jboss-cvs] system2/src/main/org/jboss/deployers/plugins ...

[Scott Stark]

  User: starksm 
  Date: 06/07/15 10:10:57

  Added:       src/main/org/jboss/deployers/plugins 
                        DefaultGraphBuilder.java
  Log:
  A default DeploymentGraphBuilder implementation that creates a graph by performing a depth first traversal of the root DeploymentContext.
  
  Revision  Changes    Path
  1.1      date: 2006/07/15 14:10:57;  author: starksm;  state: Exp;system2/src/main/org/jboss/deployers/plugins/DefaultGraphBuilder.java
  
  Index: DefaultGraphBuilder.java
  ===================================================================
  /*
   * JBoss, Home of Professional Open Source
   * Copyright 2005, JBoss Inc., and individual contributors as indicated
   * by the @authors tag. See the copyright.txt in the distribution for a
   * full listing of individual contributors.
   *
   * This is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as
   * published by the Free Software Foundation; either version 2.1 of
   * the License, or (at your option) any later version.
   *
   * This software is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this software; if not, write to the Free
   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
   */
  package org.jboss.deployers.plugins;
  
  import java.util.List;
  
  import org.jboss.deployers.spi.Deployment;
  import org.jboss.deployers.spi.DeploymentContext;
  import org.jboss.deployers.spi.DeploymentGraphBuilder;
  import org.jboss.util.graph.Graph;
  import org.jboss.util.graph.Vertex;
  
  /**
   * A default DeploymentGraphBuilder implementation that creates a graph
   * by performing a depth first traversal of the root DeploymentContext.
   * 
   * @author Scott.Stark at jboss.org
   * @version $Revision$
   */
  public class DefaultGraphBuilder implements DeploymentGraphBuilder
  {
     public Graph<DeploymentContext> build(Deployment deployment)
     {
        Graph<DeploymentContext> graph = new Graph<DeploymentContext>();
        DeploymentContext dc = deployment.getRootContext();
        Vertex<DeploymentContext> v = new Vertex<DeploymentContext>(dc.getFile().getName(), dc);
        depthFirst(graph, v, dc.getSubDeployments());
        return graph;
     }
  
     private void depthFirst(Graph<DeploymentContext> graph,
           Vertex<DeploymentContext> parent, List<DeploymentContext> children)
     {
        for(int n = 0; n < children.size(); n ++)
        {
           DeploymentContext dc = children.get(n);
           Vertex<DeploymentContext> v = new Vertex<DeploymentContext>(dc.getFile().getName(), dc);
           graph.addEdge(parent, v, 0);
        }
        // If there were
        if( children.size() == 0 )
           graph.addVertex(parent);
     }
  }