|
1
26
27 package com.caucho.ejb.protocol;
28
29 import com.caucho.ejb.AbstractContext;
30 import com.caucho.ejb.AbstractEJBObject;
31 import com.caucho.ejb.AbstractServer;
32 import com.caucho.ejb.NoSuchObjectExceptionWrapper;
33 import com.caucho.ejb.RemoteExceptionWrapper;
34 import com.caucho.util.L10N;
35
36 import javax.ejb.EJBHome  ;
37 import javax.ejb.EJBObject ;
38 import javax.ejb.FinderException ;
39 import javax.ejb.Handle ;
40 import javax.ejb.RemoveException ;
41 import java.io.ObjectStreamException ;
42 import java.io.Serializable ;
43 import java.rmi.NoSuchObjectException ;
44 import java.rmi.RemoteException ;
45
46
49 public abstract class JVMObject extends AbstractEJBObject
50 implements EJBObject, Serializable {
51 protected static final L10N L = new L10N(JVMObject.class);
52
53 protected Object _primaryKey;
54 protected ObjectSkeletonWrapper _skeletonWrapper;
55
56 protected AbstractServer _server;
57 protected Object _object;
58
59
62 public void _init(AbstractServer server, Object primaryKey)
63 {
64 if (primaryKey == null)
65 throw new NullPointerException ();
66
67 _server = server;
68 _primaryKey = primaryKey;
69 }
70
71
74 public Class getAPIClass()
75 {
76 return getServer().getRemoteObjectClass();
77 }
78
79
82 public String getURL(String protocol)
83 {
84 HandleEncoder encoder = getServer().getHandleEncoder(protocol);
85
86 return encoder.getURL(getServer().encodeId(_primaryKey));
87 }
88
89
92 public Handle getHandle()
93 throws RemoteException
94 {
95 HandleEncoder encoder = getServer().getHandleEncoder();
96
97 return encoder.createHandle(getServer().encodeId(_primaryKey));
98 }
99
100
103 public EJBHome getEJBHome()
104 throws RemoteException
105 {
106 try {
107 return getServer().getEJBHome();
108 } catch (Exception e) {
109 throw new RemoteExceptionWrapper(e);
110 }
111 }
112
113
116 protected Object _caucho_getObject()
117 throws RemoteException
118 {
119 if (_server == null || _server.isDead() || _object == null) {
120 try {
121 AbstractContext context;
122 context = getServer().getContext(_primaryKey);
123
124 if (context != null)
125 _object = context.getRemoteView();
126 } catch (FinderException e) {
127 throw new NoSuchObjectExceptionWrapper(e);
128 }
129
130 if (_object == null)
131 throw new NoSuchObjectException (L.l("`{0}' is not a valid bean. The bean may have been deleted or the server moved.", _primaryKey));
132
133 _caucho_init_methods(_object.getClass());
134 }
135
136 return _object;
137 }
138
139 protected void _caucho_init_methods(Class cl)
140 {
141 }
142
143
146 protected ClassLoader _caucho_getClassLoader()
147 throws RemoteException
148 {
149 ClassLoader loader = getServer().getClassLoader();
150
151 return loader;
152 }
153
154
158 private AbstractServer getServer()
159 {
160 if (_server.isDead()) {
161 String serverId = _server.getHandleServerId();
162 _object = null;
163 _server = EjbProtocolManager.getJVMServer(serverId);
164 }
165
166 return _server;
167 }
168
169
174 public boolean isIdentical(EJBObject obj)
175 throws RemoteException
176 {
177 return getHandle().equals(obj.getHandle());
178 }
179
180 public void remove()
181 throws RemoveException , RemoteException
182 {
183 }
184
185 public Object getPrimaryKey()
186 throws RemoteException
187 {
188 return _primaryKey;
189 }
190
191
196 public Object writeReplace() throws ObjectStreamException
197 {
198 if (_skeletonWrapper == null) {
199 try {
200 _skeletonWrapper = new ObjectSkeletonWrapper(getHandle());
201 } catch (Exception e) {
202 }
203 }
204
205 return _skeletonWrapper;
206 }
207
208
212
215 public static boolean to_boolean(Object o)
216 {
217 if (o == null)
218 return false;
219 else
220 return ((Boolean ) o).booleanValue();
221 }
222
223
226 public static byte to_byte(Object o)
227 {
228 if (o == null)
229 return 0;
230 else
231 return ((Byte ) o).byteValue();
232 }
233
234
237 public static short to_short(Object o)
238 {
239 if (o == null)
240 return 0;
241 else
242 return ((Short ) o).shortValue();
243 }
244
245
248 public static char to_char(Object o)
249 {
250 if (o == null)
251 return 0;
252 else
253 return ((Character ) o).charValue();
254 }
255
256
259 public static int to_int(Object o)
260 {
261 if (o == null)
262 return 0;
263 else
264 return ((Integer ) o).intValue();
265 }
266
267
270 public static long to_long(Object o)
271 {
272 if (o == null)
273 return 0;
274 else
275 return ((Long ) o).longValue();
276 }
277
278
281 public static float to_float(Object o)
282 {
283 if (o == null)
284 return 0;
285 else
286 return ((Float ) o).floatValue();
287 }
288
289
292 public static double to_double(Object o)
293 {
294 if (o == null)
295 return 0;
296 else
297 return ((Double ) o).doubleValue();
298 }
299 }
300 |
Popular Tags |
Java API By Example, From Geeks To Geeks.