|
1 package jfun.yan;
2
3 final class UseKeyComponent extends Component {
4 private final Object  key;
5
6 UseKeyComponent(Object key) {
7 this.key = key;
8 }
9 public Class verify(Dependency dependency){
10 final ComponentMap cmap = dependency.getComponentMap();
11 final Component cc =
12 cmap.getComponent(key);
13 if(cc==null)throw new UnresolvedComponentException(key);
14 return cc.verify(dependency);
15 }
16 public Object create(Dependency dependency){
17 final ComponentMap cmap = dependency.getComponentMap();
18 final Component cc =
19 cmap.getComponent(key);
20 if(cc==null)throw new UnresolvedComponentException(key);
21 return cc.create(dependency);
22 }
23 public boolean isSingleton(){
24 return false;
25 }
26 public boolean isConcrete(){
27 return false;
28 }
29 public Class getType(){
30 return null;
31 }
32 public String toString(){
33 return "useKey <"+key+">";
34 }
35 public boolean equals(Object obj) {
36 if(obj instanceof UseKeyComponent){
37 final UseKeyComponent other = (UseKeyComponent)obj;
38 return key.equals(other.key);
39 }
40 else return false;
41 }
42 public int hashCode() {
43 return key.hashCode();
44 }
45
46 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.