1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
|
/**
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Caspar De Groot - initial API and implementation
*/
package org.eclipse.emf.cdo.tests;
import org.eclipse.emf.cdo.CDOObject;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.id.CDOIDUtil;
import org.eclipse.emf.cdo.common.lock.CDOLockOwner;
import org.eclipse.emf.cdo.common.lock.CDOLockState;
import org.eclipse.emf.cdo.common.lock.CDOLockUtil;
import org.eclipse.emf.cdo.common.revision.CDOIDAndBranch;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.model1.Company;
import org.eclipse.emf.cdo.tests.util.TestListener2;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.emf.cdo.util.CommitException;
import org.eclipse.emf.cdo.view.CDOLocksChangedEvent;
import org.eclipse.emf.cdo.view.CDOView;
/**
* @author Caspar De Groot
*/
public class LockingNotificationsTest extends AbstractLockingTest
{
private CDOView openViewWithLockNotifications(CDOSession session, CDOBranch branch)
{
CDOView view = branch != null ? session.openView(branch) : session.openView();
view.options().setLockNotificationEnabled(true);
return view;
}
public void testSameBranchDifferentSession() throws CommitException
{
CDOSession session1 = openSession();
CDOSession session2 = openSession();
CDOView controlView = openViewWithLockNotifications(session2, null);
test(session1, controlView, true);
session1.close();
session2.close();
}
public void testSameBranchSameSession() throws CommitException
{
CDOSession session1 = openSession();
CDOView controlView = openViewWithLockNotifications(session1, null);
test(session1, controlView, true);
session1.close();
}
public void testDifferentBranchDifferentSession() throws CommitException
{
skipUnlessBranching();
CDOSession session1 = openSession();
CDOBranch subBranch = session1.getBranchManager().getMainBranch().createBranch("sub1");
CDOSession session2 = openSession();
CDOView controlView = openViewWithLockNotifications(session2, subBranch);
test(session1, controlView, false);
session1.close();
session2.close();
}
public void testDifferentBranchSameSession() throws CommitException
{
skipUnlessBranching();
CDOSession session1 = openSession();
CDOBranch subBranch = session1.getBranchManager().getMainBranch().createBranch("sub2");
CDOView controlView = openViewWithLockNotifications(session1, subBranch);
test(session1, controlView, false);
session1.close();
}
private void test(CDOSession session1, CDOView controlView, boolean mustReceiveNotifications) throws CommitException
{
CDOTransaction tx1 = session1.openTransaction();
CDOResource res1 = tx1.getOrCreateResource(getResourcePath("r1"));
TestListener2 transactionListener = new TestListener2(CDOLocksChangedEvent.class);
tx1.addListener(transactionListener);
res1.getContents().clear();
Company company = getModel1Factory().createCompany();
res1.getContents().add(company);
tx1.commit();
TestListener2 controlViewListener = new TestListener2(CDOLocksChangedEvent.class);
controlView.addListener(controlViewListener);
CDOObject cdoCompany = CDOUtil.getCDOObject(company);
CDOObject cdoCompanyInControlView = null;
if (mustReceiveNotifications)
{
cdoCompanyInControlView = controlView.getObject(cdoCompany.cdoID());
}
/* Test write lock */
cdoCompany.cdoWriteLock().lock();
if (mustReceiveNotifications)
{
controlViewListener.waitFor(1);
assertEquals(1, controlViewListener.getEvents().size());
CDOLocksChangedEvent event = (CDOLocksChangedEvent)controlViewListener.getEvents().get(0);
assertLockOwner(tx1, event.getLockOwner());
CDOLockState[] lockStates = event.getLockStates();
assertEquals(1, lockStates.length);
assertLockedObject(cdoCompany, lockStates[0].getLockedObject());
assertLockOwner(tx1, lockStates[0].getWriteLockOwner());
assertSame(cdoCompanyInControlView.cdoLockState(), lockStates[0]);
}
cdoCompany.cdoWriteLock().unlock();
if (mustReceiveNotifications)
{
controlViewListener.waitFor(2);
assertEquals(2, controlViewListener.getEvents().size());
CDOLocksChangedEvent event = (CDOLocksChangedEvent)controlViewListener.getEvents().get(1);
assertLockOwner(tx1, event.getLockOwner());
CDOLockState[] lockStates = event.getLockStates();
assertEquals(1, lockStates.length);
assertLockedObject(cdoCompany, lockStates[0].getLockedObject());
assertNull(lockStates[0].getWriteLockOwner());
assertSame(cdoCompanyInControlView.cdoLockState(), lockStates[0]);
}
/* Test read lock */
cdoCompany.cdoReadLock().lock();
if (mustReceiveNotifications)
{
controlViewListener.waitFor(3);
assertEquals(3, controlViewListener.getEvents().size());
CDOLocksChangedEvent event = (CDOLocksChangedEvent)controlViewListener.getEvents().get(2);
assertLockOwner(tx1, event.getLockOwner());
CDOLockState[] lockStates = event.getLockStates();
assertEquals(1, lockStates.length);
assertLockedObject(cdoCompany, lockStates[0].getLockedObject());
assertEquals(1, lockStates[0].getReadLockOwners().size());
CDOLockOwner tx1Lo = CDOLockUtil.createLockOwner(tx1);
assertEquals(true, lockStates[0].getReadLockOwners().contains(tx1Lo));
assertSame(cdoCompanyInControlView.cdoLockState(), lockStates[0]);
}
cdoCompany.cdoReadLock().unlock();
if (mustReceiveNotifications)
{
controlViewListener.waitFor(4);
assertEquals(4, controlViewListener.getEvents().size());
CDOLocksChangedEvent event = (CDOLocksChangedEvent)controlViewListener.getEvents().get(3);
assertLockOwner(tx1, event.getLockOwner());
CDOLockState[] lockStates = event.getLockStates();
assertEquals(1, lockStates.length);
assertEquals(0, lockStates[0].getReadLockOwners().size());
assertSame(cdoCompanyInControlView.cdoLockState(), lockStates[0]);
}
/* Test write option */
cdoCompany.cdoWriteOption().lock();
if (mustReceiveNotifications)
{
controlViewListener.waitFor(5);
assertEquals(5, controlViewListener.getEvents().size());
CDOLocksChangedEvent event = (CDOLocksChangedEvent)controlViewListener.getEvents().get(4);
assertLockOwner(tx1, event.getLockOwner());
CDOLockState[] lockStates = event.getLockStates();
assertEquals(1, lockStates.length);
assertLockedObject(cdoCompany, lockStates[0].getLockedObject());
assertLockOwner(tx1, lockStates[0].getWriteOptionOwner());
assertSame(cdoCompanyInControlView.cdoLockState(), lockStates[0]);
}
cdoCompany.cdoWriteOption().unlock();
if (mustReceiveNotifications)
{
controlViewListener.waitFor(6);
assertEquals(6, controlViewListener.getEvents().size());
CDOLocksChangedEvent event = (CDOLocksChangedEvent)controlViewListener.getEvents().get(5);
assertLockOwner(tx1, event.getLockOwner());
CDOLockState[] lockStates = event.getLockStates();
assertEquals(1, lockStates.length);
assertLockedObject(cdoCompany, lockStates[0].getLockedObject());
assertNull(lockStates[0].getWriteOptionOwner());
assertSame(cdoCompanyInControlView.cdoLockState(), lockStates[0]);
}
assertEquals(0, transactionListener.getEvents().size());
if (!mustReceiveNotifications)
{
assertEquals(0, controlViewListener.getEvents().size());
}
}
private void assertLockedObject(CDOObject obj, Object lockedObject)
{
if (lockedObject instanceof CDOIDAndBranch)
{
CDOIDAndBranch idAndBranch = CDOIDUtil.createIDAndBranch(obj.cdoID(), obj.cdoView().getBranch());
assertEquals(idAndBranch, lockedObject);
}
else if (lockedObject instanceof CDOID)
{
assertEquals(obj.cdoID(), lockedObject);
}
}
private void assertLockOwner(CDOView view, CDOLockOwner lockOwner)
{
CDOLockOwner lo = CDOLockUtil.createLockOwner(view);
assertEquals(lo, lockOwner);
}
public void testEnableDisableNotifications() throws CommitException
{
CDOSession session1 = openSession();
CDOSession session2 = openSession();
CDOView controlView = session2.openView();
test(session1, controlView, false);
controlView.options().setLockNotificationEnabled(true);
test(session1, controlView, true);
controlView.options().setLockNotificationEnabled(false);
test(session1, controlView, false);
session1.close();
session2.close();
}
public void testLockStateHeldByDurableView() throws CommitException
{
{
CDOSession session1 = openSession();
CDOTransaction tx1 = session1.openTransaction();
tx1.enableDurableLocking(true);
CDOResource res1 = tx1.createResource(getResourcePath("r1"));
Company company1 = getModel1Factory().createCompany();
res1.getContents().add(company1);
tx1.commit();
CDOUtil.getCDOObject(company1).cdoWriteLock().lock();
tx1.close();
session1.close();
}
CDOSession session2 = openSession();
CDOView controlView = session2.openView();
CDOResource resource = controlView.getResource(getResourcePath("r1"));
Company company1 = (Company)resource.getContents().get(0);
CDOObject cdoObj = CDOUtil.getCDOObject(company1);
assertEquals(true, cdoObj.cdoWriteLock().isLockedByOthers());
assertSame(CDOLockOwner.UNKNOWN, cdoObj.cdoLockState().getWriteLockOwner());
session2.close();
}
public void testLockStateNewAndTransient() throws CommitException
{
Company company1 = getModel1Factory().createCompany();
CDOObject cdoObj = CDOUtil.getCDOObject(company1);
assertTransient(cdoObj);
assertNull(cdoObj.cdoLockState());
CDOSession session1 = openSession();
CDOTransaction tx1 = session1.openTransaction();
CDOResource res1 = tx1.createResource(getResourcePath("r1"));
res1.getContents().add(company1);
assertNew(cdoObj, tx1);
assertNull(cdoObj.cdoLockState());
tx1.commit();
assertClean(cdoObj, tx1);
assertNotNull(cdoObj.cdoLockState());
res1.getContents().add(company1);
tx1.commit();
}
}
|
