/**
* Prepares the save call using a newly generated id.
*
* @param entity The entity to be saved
* @param entityName The entity-name for the entity to be saved
* @param anything Generally cascade-specific information.
* @param source The session which is the source of this save event.
* @param requiresImmediateIdAccess does the event context require access to the identifier
* immediately after execution of this method (if not, post-insert style id generators may be
* postponed if we are outside a transaction).
* @return The id used to save the entity; may be null depending on the type of id generator used
* and the requiresImmediateIdAccess value
*/
protected Serializable saveWithGeneratedId(
Object entity,
String entityName,
Object anything,
EventSource source,
boolean requiresImmediateIdAccess) {
EntityPersister persister = source.getEntityPersister(entityName, entity);
Serializable generatedId = persister.getIdentifierGenerator().generate(source, entity);
if (generatedId == null) {
throw new IdentifierGenerationException("null id generated for:" + entity.getClass());
} else if (generatedId == IdentifierGeneratorHelper.SHORT_CIRCUIT_INDICATOR) {
return source.getIdentifier(entity);
} else if (generatedId == IdentifierGeneratorHelper.POST_INSERT_INDICATOR) {
return performSave(
entity, null, persister, true, anything, source, requiresImmediateIdAccess);
} else {
// TODO: define toString()s for generators
if (LOG.isDebugEnabled()) {
LOG.debugf(
"Generated identifier: %s, using strategy: %s",
persister.getIdentifierType().toLoggableString(generatedId, source.getFactory()),
persister.getIdentifierGenerator().getClass().getName());
}
return performSave(entity, generatedId, persister, false, anything, source, true);
}
}
/**
* Returns all the persistent id generators which potentially require the creation of an object in
* the schema.
*/
private Iterable<PersistentNoSqlIdentifierGenerator> getPersistentGenerators() {
Map<String, EntityPersister> entityPersisters = factory.getEntityPersisters();
Set<PersistentNoSqlIdentifierGenerator> persistentGenerators =
new HashSet<PersistentNoSqlIdentifierGenerator>(entityPersisters.size());
for (EntityPersister persister : entityPersisters.values()) {
if (persister.getIdentifierGenerator() instanceof PersistentNoSqlIdentifierGenerator) {
persistentGenerators.add(
(PersistentNoSqlIdentifierGenerator) persister.getIdentifierGenerator());
}
}
return persistentGenerators;
}
public void testNormalBoundary() {
EntityPersister persister = sfi().getEntityPersister(Entity.class.getName());
assertClassAssignability(TableGenerator.class, persister.getIdentifierGenerator().getClass());
TableGenerator generator = (TableGenerator) persister.getIdentifierGenerator();
assertClassAssignability(
OptimizerFactory.HiLoOptimizer.class, generator.getOptimizer().getClass());
OptimizerFactory.HiLoOptimizer optimizer =
(OptimizerFactory.HiLoOptimizer) generator.getOptimizer();
int increment = optimizer.getIncrementSize();
Entity[] entities = new Entity[increment + 1];
Session s = openSession();
s.beginTransaction();
for (int i = 0; i < increment; i++) {
entities[i] = new Entity("" + (i + 1));
s.save(entities[i]);
assertEquals(1, generator.getTableAccessCount()); // initialization
assertEquals(
1, ((BasicHolder) optimizer.getLastSourceValue()).getActualLongValue()); // initialization
assertEquals(i + 1, ((BasicHolder) optimizer.getLastValue()).getActualLongValue());
assertEquals(increment + 1, ((BasicHolder) optimizer.getHiValue()).getActualLongValue());
}
// now force a "clock over"
entities[increment] = new Entity("" + increment);
s.save(entities[increment]);
assertEquals(2, generator.getTableAccessCount()); // initialization
assertEquals(
2, ((BasicHolder) optimizer.getLastSourceValue()).getActualLongValue()); // initialization
assertEquals(increment + 1, ((BasicHolder) optimizer.getLastValue()).getActualLongValue());
assertEquals((increment * 2) + 1, ((BasicHolder) optimizer.getHiValue()).getActualLongValue());
s.getTransaction().commit();
s.beginTransaction();
for (int i = 0; i < entities.length; i++) {
assertEquals(i + 1, entities[i].getId().intValue());
s.delete(entities[i]);
}
s.getTransaction().commit();
s.close();
}
@Test
@FailureExpectedWithNewMetamodel
public void testHibernateSequenceSchema() {
EntityPersister persister =
sessionFactory().getEntityPersister(HibernateSequenceEntity.class.getName());
IdentifierGenerator generator = persister.getIdentifierGenerator();
Assert.assertTrue(SequenceStyleGenerator.class.isInstance(generator));
SequenceStyleGenerator seqGenerator = (SequenceStyleGenerator) generator;
Assert.assertEquals(
Table.qualify(null, SCHEMA_NAME, SequenceStyleGenerator.DEF_SEQUENCE_NAME),
seqGenerator.getDatabaseStructure().getName());
}
protected boolean supportsBulkInsertIdGeneration(Class entityClass) {
EntityPersister persister = sessionFactory().getEntityPersister(entityClass.getName());
IdentifierGenerator generator = persister.getIdentifierGenerator();
return HqlSqlWalker.supportsIdGenWithBulkInsertion(generator);
}
