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1
4 package jfun.yan;
5
6 import jfun.util.Misc;
7
8 final class UseTypeComponent<T> extends Component<T> {
9 private final Class  <T> type;
10 UseTypeComponent(Class <T> type) {
11 this.type = type;
12 }
13
14 public boolean equals(Object obj) {
15 if(obj instanceof UseTypeComponent){
16 final UseTypeComponent other = (UseTypeComponent)obj;
17 return type.equals(other.type);
18 }
19 else return false;
20 }
21
22 public int hashCode() {
23 return type.hashCode();
24 }
25
26 public Class verify(Dependency dependency){
27 return findComponent(dependency).verify(dependency);
28 }
29
30 public T create(Dependency dependency){
31 return findComponent(dependency).create(dependency);
32 }
33 private Component<T> findComponent(Dependency dependency){
34 final ComponentMap cmap = dependency.getComponentMap();
35 final Component<T> cc =
36 cmap.getComponentOfType(type);
37 if(cc==null)throw new UnresolvedComponentException(type);
38 return cc;
39 }
40 public boolean isSingleton(){
41 return false;
42 }
43
44 public boolean isConcrete(){
45 return false;
46 }
47
48 public Class getType(){
49 return null;
50 }
51
52 public String toString(){
53 return "useType <" + Misc.getTypeName(type)+">";
54 }
55 } |
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