@SuppressWarnings("unchecked")
public void onSaveOrUpdate(SaveOrUpdateEvent event) throws HibernateException {
Object entity = event.getObject();
boolean newEntity = !event.getSession().contains(entity);
if (newEntity) {
if (beforeInsertCaller != null) {
beforeInsertCaller.call(entity);
if (event.getSession().contains(entity)) {
EntityEntry entry = event.getEntry();
if (entry != null) {
Object[] state = entry.getLoadedState();
synchronizePersisterState(entity, entry.getPersister(), state);
}
}
}
if (shouldTimestamp) {
long time = System.currentTimeMillis();
if (dateCreatedProperty != null && newEntity) {
Object now =
DefaultGroovyMethods.newInstance(dateCreatedProperty.getType(), new Object[] {time});
dateCreatedProperty.setProperty(entity, now);
}
if (lastUpdatedProperty != null) {
Object now =
DefaultGroovyMethods.newInstance(lastUpdatedProperty.getType(), new Object[] {time});
lastUpdatedProperty.setProperty(entity, now);
}
}
}
}
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 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());
}
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;
}
/** 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;
}
