DefaultMappingContext


1   /**
2    * Copyright (C) 2002 Kelua SA
3    * 
4    * This library is free software; you can redistribute it and/or
5    * modify it under the terms of the GNU Lesser General Public
6    * License as published by the Free Software Foundation; either
7    * version 2 of the License, or (at your option) any later version.
8    * 
9    * This library is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   * Lesser General Public License for more details.
13   * 
14   * You should have received a copy of the GNU Lesser General Public
15   * License along with this library; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17   */
18  
19  package org.objectweb.kilim.model.mapping;
20  
21  import java.io.Serializable  ;
22  import java.util.Stack  ;
23  
24  import org.objectweb.kilim.model.ComponentElement;
25  
26  /**
27   * A mapping context is a container for all informations useful when performing the effective task associated to providers and transformers.
28   * This simple implementation provides two stacks : (1) callStack, a stack automatically managed by the Kilim infrastructure,  which contains 
29   * the RtComponentSources mirroring on the execution stack, (2) contextstack, a stack specifically managed by mappers.
30   * calls to getValue() and execute() methods.
31   * @author horn
32   */ 
33  public class DefaultMappingContext implements MappingContext, Serializable   {
34      private Stack   callStack = new Stack  ();
35      private Stack   contextStack = new Stack  ();
36      private ComponentElement currentElement;
37          
38      /**
39       * Method DefaultMappingContext.
40       */
41      public DefaultMappingContext() { }
42      
43      /**
44       * Method getContextStack. It returns the contextStack.
45       * @return Stack
46       */
47      public Stack   getContextStack() {
48          return contextStack;
49      }
50      
51      /**
52       * Method getCallStack. This method returns the callStack.
53       * @return Stack
54       */
55      public Stack   getCallStack() {
56          return callStack;
57      }
58  }
59
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