Source Code Cross Referenced for TestCascadeDeleteRelations.java in  » Database-ORM » Speedo_1.4.5 » org » objectweb » speedo » runtime » relations » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » Speedo_1.4.5 » org.objectweb.speedo.runtime.relations 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Speedo: an implementation of JDO compliant personality on top of JORM generic
003:         * I/O sub-system.
004:         * Copyright (C) 2001-2004 France Telecom R&D
005:         *
006:         * This library is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU Lesser General Public
008:         * License as published by the Free Software Foundation; either
009:         * version 2 of the License, or (at your option) any later version.
010:         *
011:         * This library is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         * Lesser General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU Lesser General Public
017:         * License along with this library; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
019:         *
020:         *
021:         *
022:         * Contact: speedo@objectweb.org
023:         *
024:         * Authors: S.Col.
025:         *
026:         */package org.objectweb.speedo.runtime.relations;
027:
028:        import javax.jdo.JDOUserException;
029:        import javax.jdo.PersistenceManager;
030:
031:        import junit.framework.Assert;
032:
033:        import org.objectweb.speedo.SpeedoTestHelper;
034:        import org.objectweb.speedo.pobjects.relations.A;
035:        import org.objectweb.speedo.pobjects.relations.B;
036:
037:        public class TestCascadeDeleteRelations extends SpeedoTestHelper {
038:
039:            public TestCascadeDeleteRelations(String s) {
040:                super (s);
041:            }
042:
043:            protected String getLoggerName() {
044:                return LOG_NAME + "rt.relations.CascadeDeleteRelations";
045:            }
046:
047:            /**
048:             * This method tests the cascade delete in a one-one relationship.
049:             *
050:             */
051:            public void testOneOne() {
052:                A a1 = new A("testOneOne_a1");
053:                A a2 = new A("testOneOne_a2");
054:                B b1 = new B("testOneOne_b1");
055:                B b2 = new B("testOneOne_b2");
056:
057:                // a1 references b1 (so b1 references a1)
058:                a1.setB(b1);
059:                assertTrue(b1.getA() == a1);
060:
061:                // a2 references b2 (so b2 references a2)
062:                a2.setB(b2);
063:                assertTrue(b2.getA() == a2);
064:
065:                // We make  the As persistent
066:                PersistenceManager pm = pmf.getPersistenceManager();
067:                pm.makePersistent(a1);
068:                pm.makePersistent(a2);
069:
070:                // We get the ids
071:                Object a1Id = pm.getObjectId(a1);
072:                Object a2Id = pm.getObjectId(a2);
073:                Object b1Id = pm.getObjectId(b1);
074:                Object b2Id = pm.getObjectId(b2);
075:                Assert.assertNotNull("null object identifier for a1", a1Id);
076:                Assert.assertNotNull("null object identifier for a2", a2Id);
077:                Assert.assertNotNull("null object identifier for b1", b1Id);
078:                Assert.assertNotNull("null object identifier for b2", b2Id);
079:
080:                pm.close();
081:
082:                // Now, we are going to get a1 and delete it. Then we'll check that b1 has been deleted too
083:                pm = pmf.getPersistenceManager();
084:                a1 = (A) pm.getObjectById(a1Id, true);
085:                b2 = (B) pm.getObjectById(b2Id, true);
086:                pm.currentTransaction().begin();
087:                pm.deletePersistent(a1);
088:                pm.deletePersistent(b2);
089:                pm.currentTransaction().commit();
090:
091:                try {
092:                    b1 = (B) pm.getObjectById(b1Id, true);
093:                    Assert
094:                            .fail("Should have thrown a JDOUser Exception : b1 has not been deleted");
095:                } catch (JDOUserException jdoEx) {
096:                    // The test has passed
097:                    Assert.assertTrue(true);
098:                }
099:
100:                try {
101:                    a2 = (A) pm.getObjectById(a2Id, true);
102:                    Assert
103:                            .fail("Should have thrown a JDOUser Exception : a2 has not been deleted");
104:                } catch (JDOUserException jdoEx) {
105:                    // The test has passed
106:                    Assert.assertTrue(true);
107:                }
108:
109:                pm.close();
110:            }
111:
112:            public void testManyManyDelete() {
113:                A a1 = new A("testManyManyDelete_a1");
114:                A a2 = new A("testManyManyDelete_a2");
115:                A a3 = new A("testManyManyDelete_a3");
116:
117:                B b1 = new B("testManyManyDelete_b1");
118:                B b2 = new B("testManyManyDelete_b2");
119:                B b3 = new B("testManyManyDelete_b3");
120:
121:                PersistenceManager pm = pmf.getPersistenceManager();
122:                pm.makePersistent(a1);
123:                pm.makePersistent(a2);
124:                pm.makePersistent(a3);
125:                pm.makePersistent(b1);
126:                pm.makePersistent(b2);
127:                pm.makePersistent(b3);
128:                pm.close();
129:
130:                try {
131:                    pm = pmf.getPersistenceManager();
132:
133:                    // We add b1 and b2 to a1's Bs
134:                    a1.getBs().add(b1);
135:                    assertTrue(b1.getAs().contains(a1));
136:                    a1.getBs().add(b2);
137:                    assertTrue(b2.getAs().contains(a1));
138:
139:                    // We add b1, b2 and b3 to a2's Bs
140:                    a2.getBs().add(b1);
141:                    assertTrue(b1.getAs().contains(a2));
142:                    a2.getBs().add(b2);
143:                    assertTrue(b2.getAs().contains(a2));
144:                    a2.getBs().add(b3);
145:                    assertTrue(b3.getAs().contains(a2));
146:
147:                    // We add b2 and b3 to a3's Bs
148:                    a3.getBs().add(b2);
149:                    assertTrue(b2.getAs().contains(a3));
150:                    a3.getBs().add(b3);
151:                    assertTrue(b3.getAs().contains(a3));
152:
153:                    // We get some ids to try to get deleted objects
154:                    Object a3Id = pm.getObjectId(a3);
155:                    Object b2Id = pm.getObjectId(b2);
156:                    Object b3Id = pm.getObjectId(b3);
157:
158:                    pm.close();
159:
160:                    // We delete a3 : as bs relationship in A has a cascade delete extension with the true value,
161:                    // b2 and b3 should be delete.
162:                    pm = pmf.getPersistenceManager();
163:                    pm.currentTransaction().begin();
164:                    pm.deletePersistent(a3);
165:                    pm.currentTransaction().commit();
166:                    pm.close();
167:
168:                    pm = pmf.getPersistenceManager();
169:
170:                    // a1 should only have b1
171:                    assertTrue("a1.getBs() has " + a1.getBs().size()
172:                            + " elements, expected 1", a1.getBs().size() == 1);
173:                    assertTrue("a1 should contain b1", a1.getBs().contains(b1));
174:                    assertTrue("a1 should not contain b2", !a1.getBs()
175:                            .contains(b2));
176:
177:                    // a2 should only have b1
178:                    assertTrue("a2.getBs() has " + a2.getBs().size()
179:                            + " elements, expected 1", a2.getBs().size() == 1);
180:                    assertTrue("a2 should contain b1", a2.getBs().contains(b1));
181:                    assertTrue("a2 should not contain b3", !a2.getBs()
182:                            .contains(b3));
183:
184:                    // a3 should not exist anymore
185:                    try {
186:                        a3 = (A) pm.getObjectById(a3Id, true);
187:                        Assert
188:                                .fail("Should have thrown a JDOUserException : a3 has not been deleted");
189:                    } catch (JDOUserException jdoEx) {
190:                        // The test has passed
191:                    }
192:
193:                    // b2 should not exist anymore
194:                    try {
195:                        b2 = (B) pm.getObjectById(b2Id, true);
196:                        Assert
197:                                .fail("Should have thrown a JDOUserException : b2 has not been deleted");
198:                    } catch (JDOUserException jdoEx) {
199:                        // The test has passed
200:                    }
201:
202:                    // b3 should not exist anymore
203:                    try {
204:                        b3 = (B) pm.getObjectById(b3Id, true);
205:                        Assert
206:                                .fail("Should have thrown a JDOUserException : b3 has not been deleted");
207:                    } catch (JDOUserException jdoEx) {
208:                        // The test has passed
209:                    }
210:
211:                    // b1 should still contain a1 and a2, but no more a3
212:                    assertTrue("b1 should contain a1", b1.getAs().contains(a1));
213:                    assertTrue("b1 should contain a2", b1.getAs().contains(a2));
214:                    assertTrue("b1 should not contain a3", !b1.getAs()
215:                            .contains(a3));
216:
217:                    pm.close();
218:
219:                } finally {
220:                    pm = pmf.getPersistenceManager();
221:                    pm.currentTransaction().begin();
222:                    pm.deletePersistent(a1);
223:                    pm.deletePersistent(a2);
224:                    pm.deletePersistent(b1);
225:                    pm.currentTransaction().commit();
226:                    pm.close();
227:                }
228:            }
229:        }
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