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1
22 package org.jboss.ejb3;
23
24 import java.lang.reflect.InvocationTargetException  ;
25 import java.lang.reflect.Method ;
26 import java.util.HashMap ;
27 import java.util.Map ;
28 import org.jboss.aop.advice.Interceptor;
29 import org.jboss.aop.joinpoint.Invocation;
30 import org.jboss.aop.metadata.SimpleMetaData;
31 import org.jboss.aop.metadata.ThreadMetaData;
32 import org.jboss.logging.Logger;
33
34
40 public abstract class EJBInvocation implements Invocation
41 {
42 private static final Logger log = Logger.getLogger(EJBInvocation.class);
43
44 protected transient Interceptor[] interceptors;
45 protected long methodHash;
46 protected transient int currentInterceptor = 0;
47 protected transient Method method;
48 protected Object [] arguments;
49 protected SimpleMetaData metadata = null;
50 protected transient Map responseContextInfo = null;
51
52 protected EJBInvocation(Method method, long methodHash, Object [] arguments, Interceptor[] interceptors)
53 {
54 this.method = method;
55 this.methodHash = methodHash;
56 this.arguments = arguments;
57 this.interceptors = interceptors;
58 }
59
60 protected EJBInvocation()
61 {
62 }
63
64 public Object invokeNext() throws Throwable
65 {
66 if (currentInterceptor < interceptors.length)
67 {
68 try
69 {
70 return interceptors[currentInterceptor++].invoke(this);
71 }
72 finally
73 {
74 currentInterceptor--;
76 }
77 }
78 try
79 {
80 return method.invoke(getTargetObject(), getArguments());
81 }
82 catch (InvocationTargetException e)
83 {
84 throw e.getTargetException();
85 }
86 }
87
88 public Method getMethod()
89 {
90 return method;
91 }
92
93 public long getMethodHash()
94 {
95 return methodHash;
96 }
97
98 public Interceptor[] getInterceptors()
99 {
100 return interceptors;
101 }
102
103 public void setInterceptors(Interceptor[] interceptors)
104 {
105 this.interceptors = interceptors;
106 }
107
108 public Object [] getArguments()
109 {
110 return arguments;
111 }
112
113 public void setArguments(Object [] args)
114 {
115 this.arguments = args;
116 }
117
118 public Object getMetaData(Object key, Object attr)
119 {
120 Object value = null;
122 if (metadata != null) value = metadata.getMetaData(key, attr);
123 if (value != null) return value;
124 value = ThreadMetaData.instance().getMetaData(key, attr);
125 return value;
126 }
127
128 public Map getResponseContextInfo()
129 {
130 return responseContextInfo;
131 }
132
133 public void setResponseContextInfo(Map responseContextInfo)
134 {
135 this.responseContextInfo = responseContextInfo;
136 }
137
138 public void addResponseAttachment(Object key, Object val)
139 {
140 if (responseContextInfo == null) responseContextInfo = new HashMap ();
141 responseContextInfo.put(key, val);
142 }
143
144 public Object getResponseAttachment(Object key)
145 {
146 if (responseContextInfo == null) return null;
147 return responseContextInfo.get(key);
148 }
149
150 public SimpleMetaData getMetaData()
151 {
152 if (metadata == null) metadata = new SimpleMetaData();
153 return metadata;
154 }
155
156 public void setMetaData(SimpleMetaData data)
157 {
158 this.metadata = data;
159 }
160
161 public Object invokeNext(Interceptor[] newInterceptors) throws Throwable
162 {
163 throw new RuntimeException ("NOT IMPLEMENTED");
164 }
165 }
166 |
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