KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > objectweb > jonas > jtests > beans > relation > omu > BEC2


1 /*
2  * JOnAS: Java(TM) Open Application Server
3  * Copyright (C) 1999 Bull S.A.
4  * Contact: jonas-team@objectweb.org
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  * USA
20  *
21  * --------------------------------------------------------------------------
22  * $Id: BEC2.java,v 1.1 2002/12/24 12:22:10 durieuxp Exp $
23  * --------------------------------------------------------------------------
24  */
25
26 package org.objectweb.jonas.jtests.beans.relation.omu;
27
28 import org.objectweb.util.monolog.api.Logger;
29 import org.objectweb.util.monolog.api.BasicLevel;
30 import org.objectweb.jonas.common.Log;
31
32 import javax.ejb.EntityContext JavaDoc;
33 import javax.ejb.CreateException JavaDoc;
34 import javax.ejb.DuplicateKeyException JavaDoc;
35 import javax.ejb.RemoveException JavaDoc;
36
37 /**
38  * @author S.Chassande-Barrioz
39  */
40 public abstract class BEC2 implements javax.ejb.EntityBean JavaDoc {
41     public void m1(){
42     }
43
44     // ------------------------------------------------------------------
45 // Get and Set accessor methods of the bean's abstract schema
46 // ------------------------------------------------------------------
47 public abstract String JavaDoc getId();
48
49     public abstract void setId(String JavaDoc id);
50
51     // ------------------------------------------------------------------
52 // EntityBean implementation
53 // ------------------------------------------------------------------
54
55     static protected Logger logger = null;
56     EntityContext JavaDoc ejbContext;
57
58     /**
59      * The Entity bean can define 0 or more ejbCreate methods.
60      *
61      * @throws CreateException Failure to create an entity EJB object.
62      * @throws DuplicateKeyException An object with the same key already exists.
63      */
64     public String JavaDoc ejbCreate(String JavaDoc id) throws CreateException JavaDoc, DuplicateKeyException JavaDoc {
65         logger.log(BasicLevel.DEBUG, "");
66
67         // Init here the bean fields
68 setId(id);
69
70         // In CMP, should return null.
71 return null;
72     }
73
74     /**
75      * Set the associated entity context. The container invokes this method
76      * on an instance after the instance has been created.
77      * This method is called in an unspecified transaction context.
78      *
79      * @param ctx - An EntityContext interface for the instance. The instance
80      * should store the reference to the context in an instance variable.
81      * @throws EJBException Thrown by the method to indicate a failure caused by a
82      * system-level error.
83      */
84     public void setEntityContext(EntityContext JavaDoc ctx) {
85         if (logger == null)
86             logger = Log.getLogger(Log.JONAS_TESTS_PREFIX);
87         logger.log(BasicLevel.DEBUG, "");
88         ejbContext = ctx;
89     }
90
91     /**
92      * Unset the associated entity context. The container calls this method
93      * before removing the instance.
94      * This is the last method that the container invokes on the instance.
95      * The Java garbage collector will eventually invoke the finalize() method
96      * on the instance.
97      * This method is called in an unspecified transaction context.
98      *
99      * @throws EJBException Thrown by the method to indicate a failure caused by a
100      * system-level error.
101      */
102     public void unsetEntityContext() {
103         logger.log(BasicLevel.DEBUG, "");
104         ejbContext = null;
105     }
106
107     /**
108      * A container invokes this method before it removes the EJB object
109      * that is currently associated with the instance. This method is
110      * invoked when a client invokes a remove operation on the enterprise Bean's
111      * home interface or the EJB object's remote interface. This method
112      * transitions the instance from the ready state to the pool of available
113      * instances.
114      *
115      * This method is called in the transaction context of the remove operation.
116      * @throws RemoveException The enterprise Bean does not allow destruction of the object.
117      * @throws EJBException - Thrown by the method to indicate a failure caused by a system-level
118      * error.
119      */
120     public void ejbRemove() throws RemoveException JavaDoc {
121         logger.log(BasicLevel.DEBUG, "");
122     }
123
124     /**
125      * A container invokes this method to instruct the instance to synchronize
126      * its state by loading it state from the underlying database.
127      * This method always executes in the proper transaction context.
128      *
129      * @throws EJBException Thrown by the method to indicate a failure caused by
130      * a system-level error.
131      */
132     public void ejbLoad() {
133         logger.log(BasicLevel.DEBUG, "");
134     }
135
136     /**
137      * A container invokes this method to instruct the instance to synchronize
138      * its state by storing it to the underlying database.
139      * This method always executes in the proper transaction context.
140      *
141      * @throws EJBException Thrown by the method to indicate a failure caused by
142      * a system-level error.
143      */
144     public void ejbStore() {
145         logger.log(BasicLevel.DEBUG, "");
146     }
147
148     /**
149      * There must be an ejbPostCreate par ejbCreate method
150      *
151      * @throws CreateException Failure to create an entity EJB object.
152      */
153     public void ejbPostCreate(String JavaDoc id) throws CreateException JavaDoc {
154         logger.log(BasicLevel.DEBUG, "id=" + id);
155     }
156
157     /**
158      * A container invokes this method on an instance before the instance
159      * becomes disassociated with a specific EJB object.
160      */
161     public void ejbPassivate() {
162         logger.log(BasicLevel.DEBUG, "");
163     }
164
165     /**
166      * A container invokes this method when the instance is taken out of
167      * the pool of available instances to become associated with a specific
168      * EJB object.
169      */
170     public void ejbActivate() {
171         logger.log(BasicLevel.DEBUG, "");
172     }
173
174 }
175
176
Popular Tags