private void checkNaturalId(
EntityPersister persister,
EntityEntry entry,
Object[] current,
Object[] loaded,
EntityMode entityMode,
SessionImplementor session) {
if (persister.hasNaturalIdentifier() && entry.getStatus() != Status.READ_ONLY) {
Object[] snapshot = null;
Type[] types = persister.getPropertyTypes();
int[] props = persister.getNaturalIdentifierProperties();
boolean[] updateable = persister.getPropertyUpdateability();
for (int i = 0; i < props.length; i++) {
int prop = props[i];
if (!updateable[prop]) {
Object loadedVal;
if (loaded == null) {
if (snapshot == null) {
snapshot =
session.getPersistenceContext().getNaturalIdSnapshot(entry.getId(), persister);
}
loadedVal = snapshot[i];
} else {
loadedVal = loaded[prop];
}
if (!types[prop].isEqual(current[prop], loadedVal, entityMode)) {
throw new HibernateException(
"immutable natural identifier of an instance of "
+ persister.getEntityName()
+ " was altered");
}
}
}
}
}
@SuppressWarnings("unchecked")
@Override
/**
* Handle the given delete event. This is the cascaded form.
*
* @param event The delete event.
* @param transientEntities The cache of entities already deleted
* @throws HibernateException
*/
public void onDelete(DeleteEvent event, Set transientEntities) throws HibernateException {
final EventSource source = event.getSession();
final PersistenceContext persistenceContext = source.getPersistenceContext();
Object entity = persistenceContext.unproxyAndReassociate(event.getObject());
EntityEntry entityEntry = persistenceContext.getEntry(entity);
final EntityPersister persister = source.getEntityPersister(event.getEntityName(), entity);
final Object version;
if (persister.isVersioned()) {
version = persister.getVersion(entity, source.getEntityMode());
// Make sure version has not changed on deleted entities
if ((entity instanceof TimelineEntity) && !((TimelineEntity) entity).isNew()) {
if (!persister.getVersionType().isEqual(version, entityEntry.getVersion())) {
throw new StaleObjectStateException(persister.getEntityName(), entityEntry.getId());
}
}
}
super.onDelete(event, transientEntities);
}
private Object[] getValues(
Object entity,
EntityEntry entry,
EntityMode entityMode,
boolean mightBeDirty,
SessionImplementor session) {
final Object[] loadedState = entry.getLoadedState();
final Status status = entry.getStatus();
final EntityPersister persister = entry.getPersister();
final Object[] values;
if (status == Status.DELETED) {
// grab its state saved at deletion
values = entry.getDeletedState();
} else if (!mightBeDirty && loadedState != null) {
values = loadedState;
} else {
checkId(entity, persister, entry.getId(), entityMode, session);
// grab its current state
values = persister.getPropertyValues(entity, entityMode);
checkNaturalId(persister, entry, values, loadedState, entityMode, session);
}
return values;
}
protected Serializable entityIsPersistent(SaveOrUpdateEvent event) throws HibernateException {
LOG.trace("Ignoring persistent instance");
EntityEntry entityEntry = event.getEntry();
if (entityEntry == null) {
throw new AssertionFailure("entity was transient or detached");
} else {
if (entityEntry.getStatus() == Status.DELETED) {
throw new AssertionFailure("entity was deleted");
}
final SessionFactoryImplementor factory = event.getSession().getFactory();
Serializable requestedId = event.getRequestedId();
Serializable savedId;
if (requestedId == null) {
savedId = entityEntry.getId();
} else {
final boolean isEqual =
!entityEntry
.getPersister()
.getIdentifierType()
.isEqual(
requestedId, entityEntry.getId(), event.getSession().getEntityMode(), factory);
if (isEqual) {
throw new PersistentObjectException(
"object passed to save() was already persistent: "
+ MessageHelper.infoString(entityEntry.getPersister(), requestedId, factory));
}
savedId = requestedId;
}
if (LOG.isTraceEnabled())
LOG.trace(
"Object already associated with session: "
+ MessageHelper.infoString(entityEntry.getPersister(), savedId, factory));
return savedId;
}
}
protected boolean invokeInterceptor(
SessionImplementor session,
Object entity,
EntityEntry entry,
final Object[] values,
EntityPersister persister) {
return session
.getInterceptor()
.onFlushDirty(
entity,
entry.getId(),
values,
entry.getLoadedState(),
persister.getPropertyNames(),
persister.getPropertyTypes());
}
/** Perform a dirty check, and attach the results to the event */
protected void dirtyCheck(FlushEntityEvent event) throws HibernateException {
final Object entity = event.getEntity();
final Object[] values = event.getPropertyValues();
final SessionImplementor session = event.getSession();
final EntityEntry entry = event.getEntityEntry();
final EntityPersister persister = entry.getPersister();
final Serializable id = entry.getId();
final Object[] loadedState = entry.getLoadedState();
int[] dirtyProperties =
session
.getInterceptor()
.findDirty(
entity,
id,
values,
loadedState,
persister.getPropertyNames(),
persister.getPropertyTypes());
event.setDatabaseSnapshot(null);
final boolean interceptorHandledDirtyCheck;
boolean cannotDirtyCheck;
if (dirtyProperties == null) {
// Interceptor returned null, so do the dirtycheck ourself, if possible
interceptorHandledDirtyCheck = false;
cannotDirtyCheck = loadedState == null; // object loaded by update()
if (!cannotDirtyCheck) {
// dirty check against the usual snapshot of the entity
dirtyProperties = persister.findDirty(values, loadedState, entity, session);
} else if (entry.getStatus() == Status.DELETED
&& !event.getEntityEntry().isModifiableEntity()) {
// A non-modifiable (e.g., read-only or immutable) entity needs to be have
// references to transient entities set to null before being deleted. No other
// fields should be updated.
if (values != entry.getDeletedState()) {
throw new IllegalStateException(
"Entity has status Status.DELETED but values != entry.getDeletedState");
}
// Even if loadedState == null, we can dirty-check by comparing currentState and
// entry.getDeletedState() because the only fields to be updated are those that
// refer to transient entities that are being set to null.
// - currentState contains the entity's current property values.
// - entry.getDeletedState() contains the entity's current property values with
// references to transient entities set to null.
// - dirtyProperties will only contain properties that refer to transient entities
final Object[] currentState =
persister.getPropertyValues(event.getEntity(), event.getSession().getEntityMode());
dirtyProperties =
persister.findDirty(entry.getDeletedState(), currentState, entity, session);
cannotDirtyCheck = false;
} else {
// dirty check against the database snapshot, if possible/necessary
final Object[] databaseSnapshot = getDatabaseSnapshot(session, persister, id);
if (databaseSnapshot != null) {
dirtyProperties = persister.findModified(databaseSnapshot, values, entity, session);
cannotDirtyCheck = false;
event.setDatabaseSnapshot(databaseSnapshot);
}
}
} else {
// the Interceptor handled the dirty checking
cannotDirtyCheck = false;
interceptorHandledDirtyCheck = true;
}
logDirtyProperties(id, dirtyProperties, persister);
event.setDirtyProperties(dirtyProperties);
event.setDirtyCheckHandledByInterceptor(interceptorHandledDirtyCheck);
event.setDirtyCheckPossible(!cannotDirtyCheck);
}
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;
}