MappedComponent3


1   /*****************************************************************************
2    * Copyright (C) Codehaus.org. All rights reserved.            *
3    * ------------------------------------------------------------------------- *
4    * The software in this package is published under the terms of the BSD      *
5    * style license a copy of which has been included with this distribution in *
6    * the LICENSE.txt file.                                                     *
7    *****************************************************************************/
8   /*
9    * Created on Mar 21, 2005
10   *
11   * Author Ben Yu
12   * ZBS
13   */
14  package jfun.yan;
15  
16  
17  /**
18   * Codehaus.org.
19   *
20   * @author Ben Yu
21   *
22   */
23  final class MappedComponent3<A,B,C,R> extends Component<R> {
24    private final Map3<A,B,C,R>  m;
25    private final Creator<A> c1;
26    private final Creator<B> c2;
27    private final Creator<C> c3;
28    public boolean isConcrete(){
29      return false;
30    }
31    /**
32     * @param cc
33     */
34    public MappedComponent3(Creator<A> c1, Creator<B> c2, Creator<C> c3, Map3<A,B,C,R>  m) {
35      this.c1 = c1;
36      this.c2 = c2;
37      this.c3 = c3;
38      this.m = m;
39    }
40    public Class  <R> getType(){
41      return null;
42    }
43    public R create(Dependency dep){
44      return run_map(c1.create(dep), c2.create(dep), c3.create(dep));
45    }
46    public Class   verify(Dependency dep){
47      c1.verify(dep);
48      c2.verify(dep);
49      c3.verify(dep);
50      return Object  .class;
51    }
52    
53    public boolean equals(Object   obj) {
54      if(obj instanceof MappedComponent3){
55        final MappedComponent3 mc2 = (MappedComponent3)obj;
56        return m.equals(mc2.m) && c1.equals(mc2.c1) && c2.equals(mc2.c2)
57        && c3.equals(mc2.c3);
58      }
59      else return false;
60    }
61    public int hashCode(){
62      return 31*(c1.hashCode()*31 + c2.hashCode()) + c3.hashCode();
63    }
64    public String   toString(){
65      return "map (" + c1.toString() + "," + c2.toString() + "," + c3 + ")";
66    }
67    private R run_map(A o1, B o2, C o3){
68      try{
69        return m.map(o1, o2, o3);
70      }
71      catch(Error   e){
72        throw e;
73      }
74      catch(YanException e){
75        throw e;
76      }
77      catch(Throwable   e){
78        throw new jfun.yan.ComponentInstantiationException(e);
79      }
80    }
81    public boolean isSingleton(){
82      return false;
83    }
84  }
85
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