ComponentContext


1   package org.jfox.ioc;
2   
3   import java.util.Collections  ;
4   import java.util.HashMap  ;
5   import java.util.Iterator  ;
6   
7   /**
8    * 组件的上下文环境，在取得组件实例的时候由Registry设置
9    *
10   * @author <a HREF="mailto:yy.young@gmail.com">Young Yang</a>
11   */
12  
13  public class ComponentContext {
14  
15      private String   module;
16      
17      /**
18       * 组件的所在的模块
19       */
20      private String   moduleDesc;
21  
22      /**
23       * 组件的模块所在的目录
24       */
25      private String   moduleDir;
26  
27      /**
28       * 组件是否单例
29       */
30      private boolean singleton;
31  
32      /**
33       * 组件是否类别单例
34       */
35      private boolean typeSingleton;
36  
37      /**
38       * 用户设置的属性
39       */
40      private HashMap   attributes = new HashMap  ();
41  
42      private Registry registry;
43  
44      public ComponentContext() {
45      }
46      
47      /**
48       * @return Returns the module.
49       */
50      public String   getModule() {
51          return module;
52      }
53  
54      /**
55       * @param module The module to set.
56       */
57      void setModule(String   module) {
58          this.module = module;
59      }
60  
61      public String   getModuleDesc() {
62          return moduleDesc;
63      }
64  
65      void setModuleDesc(String   module) {
66          this.moduleDesc = module;
67      }
68  
69      public String   getModuleDir() {
70          return moduleDir;
71      }
72  
73      void setModuleDir(String   moduleDir) {
74          this.moduleDir = moduleDir;
75      }
76  
77      public boolean isSingleton() {
78          return singleton;
79      }
80  
81      void setSingleton(boolean singleton) {
82          this.singleton = singleton;
83      }
84  
85      public boolean isTypeSingleton() {
86          return typeSingleton;
87      }
88  
89      void setTypeSingleton(boolean typeSingleton) {
90          this.typeSingleton = typeSingleton;
91      }
92  
93      /**
94       * 得到所有自定义属性的名称
95       */
96      public Iterator   getAttributeNames() {
97          return Collections.unmodifiableMap(new HashMap  (attributes)).keySet()
98                  .iterator();
99      }
100 
101     /**
102      * 设置组件上下文的用户自定义属性。如果该属性名称已经存在，则会覆盖
103      * 
104      * @param name
105      * @param value
106      */
107     public synchronized void setAttribute(String   name, Object   value) {
108         attributes.put(name, value);
109     }
110 
111     /**
112      * 删除一个已经设置的用户自定义属性
113      * 
114      * @param name
115      * @return 返回删除的自定义属性的值
116      */
117     public synchronized Object   removeAttribute(String   name) {
118         return attributes.remove(name);
119     }
120 
121     /**
122      * 根据属性名称取得自定义属性的值
123      * 
124      * @param name
125      * @return 返回自定义属性的值
126      */
127     public Object   getAttribute(String   name) {
128         return attributes.get(name);
129     }
130 
131     public Registry getRegistry() {
132         return registry;
133     }
134 
135     void setRegistry(Registry registry) {
136         this.registry = registry;
137     }
138 
139     public static void main(String  [] args) {
140 
141     }
142 }
143 
144
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