content: /*
   * Copyright (c) 2010 Pentaho Corporation.  All rights reserved. 
   * This software was developed by Pentaho Corporation and is provided under the terms 
   * of the GNU Lesser General Public License, Version 2.1. You may not use 
   * this file except in compliance with the license. If you need a copy of the license, 
   * please go to http://www.gnu.org/licenses/lgpl-2.1.txt. The Original Code is Pentaho 
   * Package Manager.  The Initial Developer is Pentaho Corporation.
   *
   * Software distributed under the GNU Lesser Public License is distributed on an "AS IS" 
   * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
   * the license for the specific language governing your rights and limitations.
   */
  
  /*
   *    Dependency.java
   *    Copyright (C) 2009 Pentaho Corporation
   */
  
  package org.pentaho.packageManagement;
  
  /**
   * Class that encapsulates a dependency between two packages
   * 
   * @author mhall (mhall{[at]}pentaho{[dot]}com)
   * @version $Revision: 44030 $
   */
  public class Dependency {
    
    /** The source package */
    protected Package m_sourcePackage;
    
    /** The target package (wrapped in a PackageConstraint) */
    protected PackageConstraint m_targetPackage;
    
    /**
     * Construct a new Dependency from a supplied source package and
     * PackageConstraint containing the target package.
     * 
     * @param source the source package.
     * @param target the target package (wrapped in a PackageConstraint).
     */
    public Dependency(Package source, PackageConstraint target) {
      m_sourcePackage = source;
      m_targetPackage = target;
    }
    
    /**
     * Set the source package.
     * 
     * @param source the source package.
     */
    public void setSource(Package source) {
      m_sourcePackage = source;
    }
    
    /**
     * Get the source package.
     * 
     * @return the source package.
     */
    public Package getSource() {
      return m_sourcePackage;
    }
    
    /**
     * Set the target package constraint.
     * 
     * @param target the target package (wrapped in a PackageConstraint).
     */
    public void setTarget(PackageConstraint target) {
      m_targetPackage = target;
    }
    
    /**
     * Get the target package constraint.
     * 
     * @return the target package (wrapped in a PackageConstraint).
     */
    public PackageConstraint getTarget() {
      return m_targetPackage;
    }
    
    public String toString() {
      return m_sourcePackage.toString() + " --> " + m_targetPackage.toString();
    }
  }
  