Source Code Cross Referenced for AccountBean.java in  » EJB-Server-JBoss-4.2.1 » testsuite » org » jboss » test » jca » bank » ejb » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » testsuite » org.jboss.test.jca.bank.ejb 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * JBoss, Home of Professional Open Source.
003:         * Copyright 2006, Red Hat Middleware LLC, and individual contributors
004:         * as indicated by the @author tags. See the copyright.txt file in the
005:         * distribution for a full listing of individual contributors.
006:         *
007:         * This is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU Lesser General Public License as
009:         * published by the Free Software Foundation; either version 2.1 of
010:         * the License, or (at your option) any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this software; if not, write to the Free
019:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021:         */
022:        package org.jboss.test.jca.bank.ejb;
023:
024:        import java.rmi.RemoteException;
025:        import java.sql.Connection;
026:        import java.sql.PreparedStatement;
027:        import java.sql.ResultSet;
028:        import java.util.Collection;
029:        import javax.ejb.CreateException;
030:        import javax.ejb.EJBException;
031:        import javax.ejb.EntityBean;
032:        import javax.ejb.EntityContext;
033:        import javax.ejb.FinderException;
034:        import javax.ejb.NoSuchEntityException;
035:        import javax.ejb.ObjectNotFoundException;
036:        import javax.sql.DataSource;
037:
038:        import javax.naming.InitialContext;
039:        import java.util.ArrayList;
040:        import java.sql.SQLException;
041:
042:        import org.apache.log4j.Category;
043:
044:        /**
045:         * Describe class <code>AccountBean</code> here.
046:         *
047:         * @author <a href="mailto:d_jencks@users.sourceforge.net">David Jencks</a>
048:         * @version 1.0
049:         * @ejb:bean   name="Account"
050:         *             jndi-name="Account"
051:         *             local-jndi-name="LocalAccount"
052:         *             view-type="both"
053:         *             type="BMP"
054:         *             primkey-field="id"
055:         * @ejb:pk class="java.lang.Integer"
056:         */
057:        public class AccountBean implements  EntityBean {
058:
059:            private Connection c;
060:
061:            private Integer id;
062:            private int balance;
063:            private Integer customerId;
064:
065:            private EntityContext ctx;
066:
067:            /**
068:             * Abstract cmp2 field get-set pair for field id
069:             * Get the value of id
070:             * @return value of id
071:             *
072:             * @ejb:interface-method
073:             */
074:            public Integer getId() {
075:                return id;
076:            }
077:
078:            /**
079:             * Set the value of id
080:             * @param id  Value to assign to id
081:             *
082:             * @ejb:interface-method
083:             */
084:            public void setId(final Integer id) {
085:                this .id = id;
086:            }
087:
088:            /**
089:             * field get-set pair for field balance
090:             * Get the value of balance
091:             * @return value of balance
092:             *
093:             * @ejb:interface-method
094:             */
095:            public int getBalance() {
096:                return balance;
097:            }
098:
099:            /**
100:             * Set the value of balance
101:             * @param balance  Value to assign to balance
102:             *
103:             * @ejb:interface-method
104:             */
105:            public void setBalance(final int balance) {
106:                this .balance = balance;
107:            }
108:
109:            /**
110:             * field get-set pair for field customerId
111:             * Get the value of customerId
112:             * @return value of customerId
113:             *
114:             * @ejb:interface-method
115:             */
116:            public Integer getCustomerId() {
117:                return customerId;
118:            }
119:
120:            /**
121:             * Set the value of customerId
122:             * @param customerId  Value to assign to customerId
123:             *
124:             * @ejb:interface-method
125:             */
126:            public void setCustomerId(final Integer customerId) {
127:                this .customerId = customerId;
128:            }
129:
130:            /**
131:             * Describe <code>deposit</code> method here.
132:             *
133:             * @param amount an <code>int</code> value
134:             * @ejb:interface-method
135:             */
136:            public void deposit(int amount) {
137:                setBalance(getBalance() + amount);
138:            }
139:
140:            /**
141:             * Describe <code>withdraw</code> method here.
142:             *
143:             * @param amount an <code>int</code> value
144:             * @ejb:interface-method
145:             */
146:            public void withdraw(int amount) {
147:                setBalance(getBalance() - amount);
148:            }
149:
150:            //ENTITY methods
151:            /**
152:             * Describe <code>ejbCreate</code> method here.
153:             *
154:             * @param id an <code>Integer</code> value
155:             * @param balance an <code>int</code> value
156:             * @param customerId an <code>Integer</code> value
157:             * @return an <code>Integer</code> value
158:             * @ejb:create-method
159:             */
160:            public Integer ejbCreate(final Integer id, final int balance,
161:                    final Integer customerId) throws CreateException {
162:                setId(id);
163:                setBalance(balance);
164:                setCustomerId(customerId);
165:                PreparedStatement ps = null;
166:                try {
167:
168:                    ps = getConnection()
169:                            .prepareStatement(
170:                                    "INSERT INTO CCBMPACCOUNT (ID, BALANCE, CUSTOMERID) VALUES (?, ?, ?)");
171:                    ps.setInt(1, id.intValue());
172:                    ps.setInt(2, balance);
173:                    ps.setObject(3, customerId);
174:                } catch (Exception e) {
175:                    Category.getInstance(getClass().getName()).info(
176:                            "Exception in ejbCreate", e);
177:                    throw new CreateException("Can't insert: " + e);
178:                } // end of try-catch
179:                finally {
180:                    try {
181:                        if (ps != null) {
182:                            ps.close();
183:                        }
184:                    } catch (Exception e) {
185:                        Category.getInstance(getClass().getName()).info(
186:                                "Exception closing ps: " + e);
187:                    } // end of try-catch
188:
189:                } // end of finally
190:                return id;
191:            }
192:
193:            public void ejbPostCreate(final Integer id, final int balance,
194:                    final Integer customerId) {
195:            }
196:
197:            /**
198:             * Describe <code>ejbFindByPrimaryKey</code> method here.
199:             *
200:             * @param id an <code>Integer</code> value
201:             * @return an <code>Integer</code> value
202:             * @exception FinderException if an error occurs
203:             * @ejb:finder
204:             */
205:            public Integer ejbFindByPrimaryKey(final Integer id)
206:                    throws FinderException {
207:                PreparedStatement ps = null;
208:                try {
209:                    ps = getConnection().prepareStatement(
210:                            "SELECT ID FROM CCBMPACCOUNT WHERE ID = ?");
211:                    ps.setInt(1, id.intValue());
212:                    ResultSet rs = ps.executeQuery();
213:                    if (!rs.next()) {
214:                        throw new ObjectNotFoundException("No such account: "
215:                                + id);
216:                    } // end of if ()
217:                    rs.close();
218:
219:                } catch (Exception e) {
220:                    Category.getInstance(getClass().getName()).info(
221:                            "Exception in findByPK", e);
222:                    throw new EJBException("Problem in findByPrimaryKey: " + e);
223:                } // end of try-catch
224:                finally {
225:                    try {
226:                        if (ps != null) {
227:                            ps.close();
228:                        }
229:                    } catch (Exception e) {
230:                        Category.getInstance(getClass().getName()).info(
231:                                "Exception closing ps: " + e);
232:                    } // end of try-catch
233:                } // end of finally
234:                return id;
235:            }
236:
237:            /**
238:             * Describe <code>ejbFindByCustomerId</code> method here.
239:             *
240:             * @param customerId an <code>Integer</code> value
241:             * @return a <code>Collection</code> value
242:             * @ejb:finder-method
243:             */
244:            public Collection ejbFindByCustomerId(final Integer customerId) {
245:                PreparedStatement ps = null;
246:                try {
247:                    ps = getConnection().prepareStatement(
248:                            "SELECT ID FROM CCBMPACCOUNT WHERE CUSTOMERID = ?");
249:                    ps.setInt(1, customerId.intValue());
250:                    ResultSet rs = ps.executeQuery();
251:                    Collection result = new ArrayList();
252:                    while (rs.next()) {
253:                        result.add(new Integer(rs.getInt(1)));
254:                    } // end of if ()
255:                    rs.close();
256:                    return result;
257:                } catch (Exception e) {
258:                    Category.getInstance(getClass().getName()).info(
259:                            "Exception in findbyCustomerID", e);
260:                    throw new EJBException(e);
261:                } // end of try-catch
262:                finally {
263:                    try {
264:                        if (ps != null) {
265:                            ps.close();
266:                        }
267:                    } catch (Exception e) {
268:                        Category.getInstance(getClass().getName()).info(
269:                                "Exception closing ps: " + e);
270:                    } // end of try-catch
271:                } // end of finally
272:            }
273:
274:            public void ejbActivate() {
275:            }
276:
277:            public void ejbPassivate() {
278:                if (c != null) {
279:                    try {
280:                        c.close();
281:                    } catch (Exception e) {
282:                        Category.getInstance(getClass().getName()).info(
283:                                "Exception closing c: " + e);
284:                    } // end of try-catch
285:                    c = null;
286:                } // end of if ()
287:            }
288:
289:            public void ejbLoad() {
290:                id = (Integer) ctx.getPrimaryKey();
291:                if (id == null) {
292:                    Category.getInstance(getClass().getName()).info("null id!");
293:                } // end of if ()
294:
295:                PreparedStatement ps = null;
296:                try {
297:
298:                    ps = getConnection()
299:                            .prepareStatement(
300:                                    "SELECT BALANCE, CUSTOMERID FROM CCBMPACCOUNT WHERE ID = ?");
301:                    if (ps == null) {
302:                        Category.getInstance(getClass().getName()).info(
303:                                "WFT? null ps!");
304:                    } // end of if ()
305:
306:                    ps.setInt(1, id.intValue());
307:                    ResultSet rs = ps.executeQuery();
308:                    if (rs.next() == false)
309:                        throw new NoSuchEntityException(
310:                                "Account does not exist " + id.toString());
311:                    this .balance = rs.getInt(1);
312:                    this .customerId = (Integer) rs.getObject(2);
313:                } catch (Exception e) {
314:                    Category.getInstance(getClass().getName()).info(
315:                            "Exception in ejbLoad", e);
316:                    throw new EJBException(e);
317:                } // end of try-catch
318:                finally {
319:                    try {
320:                        if (ps != null) {
321:                            ps.close();
322:                        }
323:                    } catch (Exception e) {
324:                        Category.getInstance(getClass().getName()).info(
325:                                "Exception closing ps: " + e);
326:                    } // end of try-catch
327:                } // end of finally
328:            }
329:
330:            public void ejbStore() {
331:                PreparedStatement ps = null;
332:                try {
333:                    ps = getConnection()
334:                            .prepareStatement(
335:                                    "UPDATE CCBMPACCOUNT SET BALANCE = ?, CUSTOMERID = ? WHERE ID = ?");
336:                    ps.setInt(1, balance);
337:                    ps.setObject(2, customerId);
338:                    ps.setInt(3, id.intValue());
339:                    ps.execute();
340:                } catch (Exception e) {
341:                    Category.getInstance(getClass().getName()).info(
342:                            "Exception in ejbStore", e);
343:                    throw new EJBException(e);
344:                } // end of try-catch
345:                finally {
346:                    try {
347:                        if (ps != null) {
348:                            ps.close();
349:                        }
350:                    } catch (Exception e) {
351:                        Category.getInstance(getClass().getName()).info(
352:                                "Exception closing ps: " + e);
353:                    } // end of try-catch
354:                } // end of finally
355:
356:            }
357:
358:            public void ejbRemove() {
359:                PreparedStatement ps = null;
360:                try {
361:                    ps = getConnection().prepareStatement(
362:                            "DELETE FROM CCBMPACCOUNT WHERE ID = ?");
363:                    ps.setInt(1, id.intValue());
364:                    ps.execute();
365:                } catch (Exception e) {
366:                    Category.getInstance(getClass().getName()).info(
367:                            "Exception in ejbRemove", e);
368:                    throw new EJBException(e);
369:                } // end of try-catch
370:                finally {
371:                    try {
372:                        if (ps != null) {
373:                            ps.close();
374:                        }
375:                    } catch (Exception e) {
376:                        Category.getInstance(getClass().getName()).info(
377:                                "Exception closing ps: " + e);
378:                    } // end of try-catch
379:                } // end of finally
380:            }
381:
382:            public void setEntityContext(EntityContext ctx) {
383:                this .ctx = ctx;
384:            }
385:
386:            public void unsetEntityContext() {
387:                ctx = null;
388:            }
389:
390:            private Connection getConnection() throws Exception {
391:                if (c == null) {
392:                    DataSource ds = (DataSource) new InitialContext()
393:                            .lookup("java:/DefaultDS");
394:                    c = ds.getConnection();
395:
396:                } // end of if ()
397:                return c;
398:            }
399:        }
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