/**
* Performs all necessary checking to determine if an entity needs an SQL update to synchronize
* its state to the database. Modifies the event by side-effect! Note: this method is quite slow,
* avoid calling if possible!
*/
protected final boolean isUpdateNecessary(FlushEntityEvent event) throws HibernateException {
EntityPersister persister = event.getEntityEntry().getPersister();
Status status = event.getEntityEntry().getStatus();
if (!event.isDirtyCheckPossible()) {
return true;
} else {
int[] dirtyProperties = event.getDirtyProperties();
if (dirtyProperties != null && dirtyProperties.length != 0) {
return true; // TODO: suck into event class
} else {
return hasDirtyCollections(event, persister, status);
}
}
}
protected boolean handleInterception(FlushEntityEvent event) {
SessionImplementor session = event.getSession();
EntityEntry entry = event.getEntityEntry();
EntityPersister persister = entry.getPersister();
Object entity = event.getEntity();
// give the Interceptor a chance to modify property values
final Object[] values = event.getPropertyValues();
final boolean intercepted = invokeInterceptor(session, entity, entry, values, persister);
// now we might need to recalculate the dirtyProperties array
if (intercepted && event.isDirtyCheckPossible() && !event.isDirtyCheckHandledByInterceptor()) {
int[] dirtyProperties;
if (event.hasDatabaseSnapshot()) {
dirtyProperties =
persister.findModified(event.getDatabaseSnapshot(), values, entity, session);
} else {
dirtyProperties = persister.findDirty(values, entry.getLoadedState(), entity, session);
}
event.setDirtyProperties(dirtyProperties);
}
return intercepted;
}
private boolean scheduleUpdate(final FlushEntityEvent event) {
final EntityEntry entry = event.getEntityEntry();
final EventSource session = event.getSession();
final Object entity = event.getEntity();
final Status status = entry.getStatus();
final EntityMode entityMode = session.getEntityMode();
final EntityPersister persister = entry.getPersister();
final Object[] values = event.getPropertyValues();
if (LOG.isTraceEnabled()) {
if (status == Status.DELETED) {
if (!persister.isMutable())
LOG.trace(
"Updating immutable, deleted entity: "
+ MessageHelper.infoString(persister, entry.getId(), session.getFactory()));
else if (!entry.isModifiableEntity())
LOG.trace(
"Updating non-modifiable, deleted entity: "
+ MessageHelper.infoString(persister, entry.getId(), session.getFactory()));
else
LOG.trace(
"Updating deleted entity: "
+ MessageHelper.infoString(persister, entry.getId(), session.getFactory()));
} else
LOG.trace(
"Updating entity: "
+ MessageHelper.infoString(persister, entry.getId(), session.getFactory()));
}
final boolean intercepted = !entry.isBeingReplicated() && handleInterception(event);
// increment the version number (if necessary)
final Object nextVersion = getNextVersion(event);
// if it was dirtied by a collection only
int[] dirtyProperties = event.getDirtyProperties();
if (event.isDirtyCheckPossible() && dirtyProperties == null) {
if (!intercepted && !event.hasDirtyCollection()) {
throw new AssertionFailure("dirty, but no dirty properties");
}
dirtyProperties = ArrayHelper.EMPTY_INT_ARRAY;
}
// check nullability but do not doAfterTransactionCompletion command execute
// we'll use scheduled updates for that.
new Nullability(session).checkNullability(values, persister, true);
// schedule the update
// note that we intentionally do _not_ pass in currentPersistentState!
session
.getActionQueue()
.addAction(
new EntityUpdateAction(
entry.getId(),
values,
dirtyProperties,
event.hasDirtyCollection(),
(status == Status.DELETED && !entry.isModifiableEntity()
? persister.getPropertyValues(entity, entityMode)
: entry.getLoadedState()),
entry.getVersion(),
nextVersion,
entity,
entry.getRowId(),
persister,
session));
return intercepted;
}
