protected ClassDescriptor selectClassDescriptor(Map row) throws PersistenceBrokerException {
String[] key = new String[column.length];
for (int i = 0; i < column.length; i++) {
key[i] = (String) row.get(column[i]);
}
Class clazz = null;
if (key != null) {
clazz = chooseClass(key);
}
if (clazz == null) {
return getClassDescriptor();
}
PersistenceBroker broker = null;
try {
broker = PersistenceBrokerFactory.defaultPersistenceBroker();
ClassDescriptor result = broker.getClassDescriptor(clazz);
broker.close();
if (result == null) {
return getClassDescriptor();
} else {
return result;
}
} catch (PersistenceBrokerException e) {
broker.close();
throw e;
}
}
protected int getDBObjectCountWithNewPB(Class target) throws Exception {
PersistenceBroker broker = PersistenceBrokerFactory.defaultPersistenceBroker();
Criteria c = new Criteria();
Query q = new QueryByCriteria(target, c);
int count = broker.getCount(q);
broker.close();
return count;
}
/** Tests object count after a commited transaction */
public void testResultsAfterTransactionWithClearedCache() throws Exception {
int odmgZoosBefore = getDBObjectCountWithNewPB(ODMGZoo.class);
int projectsBefore = getDBObjectCountWithNewPB(ODMGGourmet.class);
Transaction tx = odmg.newTransaction();
tx.begin();
// store
persistentStoreObjects(
database, getNewODMGZoos("testResultsAfterTransactionWithClearedCache", 5));
persistentStoreObjects(
database, getNewProjects("testResultsAfterTransactionWithClearedCache", 3));
// store more
storeObjects(tx, getNewODMGZoos("testResultsAfterTransactionWithClearedCache", 5));
storeObjects(tx, getNewProjects("testResultsAfterTransactionWithClearedCache", 2));
tx.commit();
// ###### hack we clear cache of PB ########
PersistenceBroker tmp = PersistenceBrokerFactory.defaultPersistenceBroker();
tmp.clearCache();
tmp.close();
int odmgZoosAfter = getDBObjectCountWithNewPB(ODMGZoo.class);
int projectsAfter = getDBObjectCountWithNewPB(ODMGGourmet.class);
int odmgZoosAfterOQL = getDBObjectCountViaOqlQueryUseNewTransaction(odmg, ODMGZoo.class);
int projectsAfterOQL = getDBObjectCountViaOqlQueryUseNewTransaction(odmg, ODMGGourmet.class);
assertEquals("Wrong number of odmgZoos found", (odmgZoosBefore + 10), odmgZoosAfter);
assertEquals("Wrong number of projects found", (projectsBefore + 5), projectsAfter);
assertEquals("Wrong number of odmgZoos found", (odmgZoosBefore + 10), odmgZoosAfterOQL);
assertEquals("Wrong number of projects found", (projectsBefore + 5), projectsAfterOQL);
// we do twice
odmgZoosBefore = getDBObjectCountWithNewPB(ODMGZoo.class);
projectsBefore = getDBObjectCountWithNewPB(ODMGGourmet.class);
// tx should be reusable
tx.begin();
// store
persistentStoreObjects(
database, getNewODMGZoos("testResultsAfterTransactionWithClearedCache", 5));
persistentStoreObjects(
database, getNewProjects("testResultsAfterTransactionWithClearedCache", 3));
// store more
storeObjects(tx, getNewODMGZoos("testResultsAfterTransactionWithClearedCache", 5));
storeObjects(tx, getNewProjects("testResultsAfterTransactionWithClearedCache", 2));
tx.commit();
// ###### hack we clear cache of PB ########
tmp = PersistenceBrokerFactory.defaultPersistenceBroker();
tmp.clearCache();
tmp.close();
odmgZoosAfter = getDBObjectCountWithNewPB(ODMGZoo.class);
projectsAfter = getDBObjectCountWithNewPB(ODMGGourmet.class);
odmgZoosAfterOQL = getDBObjectCountViaOqlQueryUseNewTransaction(odmg, ODMGZoo.class);
projectsAfterOQL = getDBObjectCountViaOqlQueryUseNewTransaction(odmg, ODMGGourmet.class);
assertEquals("Wrong number of odmgZoos found", (odmgZoosBefore + 10), odmgZoosAfter);
assertEquals("Wrong number of projects found", (projectsBefore + 5), projectsAfter);
assertEquals("Wrong number of odmgZoos found", (odmgZoosBefore + 10), odmgZoosAfterOQL);
assertEquals("Wrong number of projects found", (projectsBefore + 5), projectsAfterOQL);
}