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Java > Open Source Codes > jfun > yan > MappedComponent4


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 MappedComponent4<A,B,C,D,R> extends Component<R> {
24   private final Map4<A,B,C,D,R> m;
25   private final Creator<A> c1;
26   private final Creator<B> c2;
27   private final Creator<C> c3;
28   private final Creator<D> c4;
29   public boolean isConcrete(){
30     return false;
31   }
32   /**
33    * @param cc
34    */
35   public MappedComponent4(Creator<A> c1, Creator<B> c2, Creator<C> c3,
36       Creator<D> c4, Map4<A,B,C,D,R> m) {
37     this.c1 = c1;
38     this.c2 = c2;
39     this.c3 = c3;
40     this.c4 = c4;
41     this.m = m;
42   }
43   public Class JavaDoc<R> getType(){
44     return null;
45   }
46   public R create(Dependency dep){
47     return run_map(c1.create(dep), c2.create(dep),
48         c3.create(dep), c4.create(dep));
49   }
50   public Class JavaDoc verify(Dependency dep){
51     c1.verify(dep);
52     c2.verify(dep);
53     c3.verify(dep);
54     c4.verify(dep);
55     return Object JavaDoc.class;
56   }
57   
58   public boolean equals(Object JavaDoc obj) {
59     if(obj instanceof MappedComponent4){
60       final MappedComponent4 mc2 = (MappedComponent4)obj;
61       return m.equals(mc2.m) && c1.equals(mc2.c1) && c2.equals(mc2.c2)
62       && c3.equals(mc2.c3) && c4.equals(mc2.c4);
63     }
64     else return false;
65   }
66   public int hashCode(){
67     return 31*(31*(c1.hashCode()*31 + c2.hashCode()) + c3.hashCode())
68     + c4.hashCode();
69   }
70   public String JavaDoc toString(){
71     return "map (" + c1.toString() + "," + c2.toString() + "," + c3 + "," + c4 + ")";
72   }
73   private R run_map(A o1, B o2, C o3, D o4){
74     try{
75       return m.map(o1, o2, o3, o4);
76     }
77     catch(Error JavaDoc e){
78       throw e;
79     }
80     catch(YanException e){
81       throw e;
82     }
83     catch(Throwable JavaDoc e){
84       throw new jfun.yan.ComponentInstantiationException(e);
85     }
86   }
87   public boolean isSingleton(){
88     return false;
89   }
90 }
91
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