public void testMultipleDetachCopyAndFetchPlanModification() {
try {
Properties multiProps = new Properties();
multiProps.setProperty("datanucleus.Multithreaded", "true");
pmf = TestHelper.getPMF(1, multiProps);
int THREAD_SIZE = 1000;
Thread[] threads = new Thread[THREAD_SIZE];
Runnable[] runner = new Runnable[THREAD_SIZE];
PersistenceManager pm = pmf.getPersistenceManager();
pm.currentTransaction().begin();
Employee woody =
new Employee(
1, "Woody", "Woodpecker", "*****@*****.**", 13, "serial 1", new Integer(10));
Manager bart = new Manager(2, "Bart", "Simpson", "*****@*****.**", 2, "serial 2");
woody.setManager(bart);
pm.makePersistent(woody);
pm.currentTransaction().commit();
pm.currentTransaction().begin();
try {
for (int i = 0; i < THREAD_SIZE; i++) {
if (i % 2 == 0) {
runner[i] = new MultithreadDetachRunner(pm, woody);
} else {
runner[i] = new MultithreadFetchPlanRunner(pm);
}
threads[i] = new Thread(runner[i]);
threads[i].start();
}
for (int i = 0; i < THREAD_SIZE; i++) {
threads[i].join();
Exception e = null;
if (runner[i] instanceof MultithreadDetachRunner) {
e = ((MultithreadDetachRunner) runner[i]).getException();
} else if (runner[i] instanceof MultithreadFetchPlanRunner) {
e = ((MultithreadFetchPlanRunner) runner[i]).getException();
}
if (e != null) {
LOG.error("Exception during test", e);
fail("Exception thrown during test : " + e);
}
}
} catch (Exception e) {
fail(e.getMessage());
} finally {
if (pm.currentTransaction().isActive()) {
pm.currentTransaction().rollback();
}
pm.close();
}
} finally {
CompanyHelper.clearCompanyData(pmf);
}
}
/** Test changing the state */
public void testMultipleNonTransitionWrite() {
try {
Properties multiProps = new Properties();
multiProps.setProperty("datanucleus.Multithreaded", "true");
pmf = TestHelper.getPMF(1, multiProps);
int THREAD_SIZE = 1000;
Thread[] threads = new Thread[THREAD_SIZE];
PersistenceManager pm = pmf.getPersistenceManager();
pm.currentTransaction().begin();
final Employee woody =
new Employee(
1, "Woody", "Woodpecker", "*****@*****.**", 13, "serial 1", new Integer(10));
Manager bart = new Manager(2, "Bart", "Simpson", "*****@*****.**", 2, "serial 2");
final Manager boss = new Manager(3, "Boss", "WakesUp", "*****@*****.**", 4, "serial 3");
woody.setManager(bart);
pm.makePersistent(woody);
pm.currentTransaction().commit();
pm.currentTransaction().setNontransactionalWrite(true);
try {
for (int i = 0; i < THREAD_SIZE; i++) {
threads[i] =
new Thread(
new Runnable() {
public void run() {
woody.setLastName("name");
woody.setManager(boss);
}
});
}
for (int i = 0; i < THREAD_SIZE; i++) {
threads[i].start();
}
for (int i = 0; i < THREAD_SIZE; i++) {
try {
threads[i].join();
} catch (InterruptedException e) {
fail(e.getMessage());
}
}
} finally {
if (pm.currentTransaction().isActive()) {
pm.currentTransaction().rollback();
}
pm.close();
}
} finally {
CompanyHelper.clearCompanyData(pmf);
}
}
public void run() {
Employee woody = (Employee) obj;
Employee woodyDetached = null;
try {
// test detach and attach
threadPM.getFetchPlan().addGroup("groupA");
threadPM.getFetchPlan().setDetachmentOptions(FetchPlan.DETACH_LOAD_FIELDS);
// pm.getFetchPlan().removeGroup(FetchPlan.DEFAULT);
woodyDetached = (Employee) threadPM.detachCopy(woody);
assertEquals(woody.getLastName(), woodyDetached.getLastName());
assertEquals(woody.getManager().getLastName(), woodyDetached.getManager().getLastName());
} catch (Exception e) {
exception = e;
LOG.error("Exception thrown during detachCopy process", e);
}
}