Java Code Examples for org.hibernate.persister.entity.EntityPersister#getPropertyTypes()

/**
 * Find all non-nullable references to entities that have not yet
 * been inserted in the database, where the foreign key
 * is a reference to an unsaved transient entity. .
 *
 * @param entityName - the entity name
 * @param entity - the entity instance
 * @param values - insertable properties of the object (including backrefs),
 * possibly with substitutions
 * @param isEarlyInsert - true if the entity needs to be executed as soon as possible
 * (e.g., to generate an ID)
 * @param session - the session
 *
 * @return the transient unsaved entity dependencies that are non-nullable,
 *         or null if there are none.
 */
public static NonNullableTransientDependencies findNonNullableTransientEntities(
		String entityName,
		Object entity,
		Object[] values,
		boolean isEarlyInsert,
		SharedSessionContractImplementor session) {
	final Nullifier nullifier = new Nullifier( entity, false, isEarlyInsert, session );
	final EntityPersister persister = session.getEntityPersister( entityName, entity );
	final String[] propertyNames = persister.getPropertyNames();
	final Type[] types = persister.getPropertyTypes();
	final boolean[] nullability = persister.getPropertyNullability();
	final NonNullableTransientDependencies nonNullableTransientEntities = new NonNullableTransientDependencies();
	for ( int i = 0; i < types.length; i++ ) {
		collectNonNullableTransientEntities(
				nullifier,
				values[i],
				propertyNames[i],
				types[i],
				nullability[i],
				session,
				nonNullableTransientEntities
		);
	}
	return nonNullableTransientEntities.isEmpty() ? null : nonNullableTransientEntities;
}
 

private Object[] createDeletedState(EntityPersister persister, Object[] currentState, EventSource session) {
		Type[] propTypes = persister.getPropertyTypes();
		final Object[] deletedState = new Object[propTypes.length];
//      TypeFactory.deepCopy( currentState, propTypes, persister.getPropertyUpdateability(), deletedState, session );
		boolean[] copyability = new boolean[propTypes.length];
		java.util.Arrays.fill( copyability, true );
		TypeHelper.deepCopy( currentState, propTypes, copyability, deletedState, session );
		return deletedState;
	}
 

/**
 * Flushes a single entity's state to the database, by scheduling
 * an update action, if necessary
 */
public void onFlushEntity(FlushEntityEvent event) throws HibernateException {
	final Object entity = event.getEntity();
	final EntityEntry entry = event.getEntityEntry();
	final EventSource session = event.getSession();
	final EntityPersister persister = entry.getPersister();
	final Status status = entry.getStatus();
	final Type[] types = persister.getPropertyTypes();

	final boolean mightBeDirty = entry.requiresDirtyCheck( entity );

	final Object[] values = getValues( entity, entry, mightBeDirty, session );

	event.setPropertyValues( values );

	//TODO: avoid this for non-new instances where mightBeDirty==false
	boolean substitute = wrapCollections( session, persister, types, values );

	if ( isUpdateNecessary( event, mightBeDirty ) ) {
		substitute = scheduleUpdate( event ) || substitute;
	}

	if ( status != Status.DELETED ) {
		// now update the object .. has to be outside the main if block above (because of collections)
		if ( substitute ) {
			persister.setPropertyValues( entity, values );
		}

		// Search for collections by reachability, updating their role.
		// We don't want to touch collections reachable from a deleted object
		if ( persister.hasCollections() ) {
			new FlushVisitor( session, entity ).processEntityPropertyValues( values, types );
		}
	}
}
 

public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery)
throws HibernateException {

	EntityPersister meta = criteriaQuery.getFactory()
			.getEntityPersister( criteriaQuery.getEntityName(criteria) );
	String[] propertyNames = meta.getPropertyNames();
	Type[] propertyTypes = meta.getPropertyTypes();
	 //TODO: get all properties, not just the fetched ones!
	Object[] values = meta.getPropertyValues( entity, getEntityMode(criteria, criteriaQuery) );
	List list = new ArrayList();
	for (int i=0; i<propertyNames.length; i++) {
		Object value = values[i];
		Type type = propertyTypes[i];
		String name = propertyNames[i];

		boolean isPropertyIncluded = i!=meta.getVersionProperty() &&
			isPropertyIncluded(value, name, type);

		if (isPropertyIncluded) {
			if ( propertyTypes[i].isComponentType() ) {
				addComponentTypedValues(name, value, (AbstractComponentType) type, list, criteria, criteriaQuery);
			}
			else {
				addPropertyTypedValue(value, type, list);
			}
		}
	}
	return (TypedValue[]) list.toArray(TYPED_VALUES);
}
 

void process(Object object, EntityPersister persister) throws HibernateException {
	EntityMode entityMode = getSession().getEntityMode();
	Object[] values = persister.getPropertyValues( object, entityMode );
	Type[] types = persister.getPropertyTypes();
	processEntityPropertyValues(values, types);
	if ( isSubstitutionRequired() ) {
		persister.setPropertyValues( object, values, entityMode );
	}
}
 

public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery)
	throws HibernateException {

	StringBuffer buf = new StringBuffer().append('(');
	EntityPersister meta = criteriaQuery.getFactory().getEntityPersister( criteriaQuery.getEntityName(criteria) );
	String[] propertyNames = meta.getPropertyNames();
	Type[] propertyTypes = meta.getPropertyTypes();
	//TODO: get all properties, not just the fetched ones!
	Object[] propertyValues = meta.getPropertyValues( entity, getEntityMode(criteria, criteriaQuery) );
	for (int i=0; i<propertyNames.length; i++) {
		Object propertyValue = propertyValues[i];
		String propertyName = propertyNames[i];

		boolean isPropertyIncluded = i!=meta.getVersionProperty() &&
			isPropertyIncluded( propertyValue, propertyName, propertyTypes[i] );
		if (isPropertyIncluded) {
			if ( propertyTypes[i].isComponentType() ) {
				appendComponentCondition(
					propertyName,
					propertyValue,
					(AbstractComponentType) propertyTypes[i],
					criteria,
					criteriaQuery,
					buf
				);
			}
			else {
				appendPropertyCondition(
					propertyName,
					propertyValue,
					criteria,
					criteriaQuery,
					buf
				);
			}
		}
	}
	if ( buf.length()==1 ) buf.append("1=1"); //yuck!
	return buf.append(')').toString();
}
 

/**
 * Renders an entity to a string.
 *
 * @param entityName the entity name
 * @param entity an actual entity object, not a proxy!
 *
 * @return the entity rendered to a string
 */
public String toString(String entityName, Object entity) throws HibernateException {
	EntityPersister entityPersister = factory.getEntityPersister( entityName );

	if ( entityPersister == null || !entityPersister.isInstance( entity ) ) {
		return entity.getClass().getName();
	}

	Map<String, String> result = new HashMap<String, String>();

	if ( entityPersister.hasIdentifierProperty() ) {
		result.put(
				entityPersister.getIdentifierPropertyName(),
				entityPersister.getIdentifierType().toLoggableString(
						entityPersister.getIdentifier( entity ),
						factory
				)
		);
	}

	Type[] types = entityPersister.getPropertyTypes();
	String[] names = entityPersister.getPropertyNames();
	Object[] values = entityPersister.getPropertyValues( entity );
	for ( int i = 0; i < types.length; i++ ) {
		if ( !names[i].startsWith( "_" ) ) {
			String strValue = values[i] == LazyPropertyInitializer.UNFETCHED_PROPERTY ?
					values[i].toString() :
					types[i].toLoggableString( values[i], factory );
			result.put( names[i], strValue );
		}
	}
	return entityName + result.toString();
}
 

/**
 * Flushes a single entity's state to the database, by scheduling
 * an update action, if necessary
 */
public void onFlushEntity(FlushEntityEvent event) throws HibernateException {
	final Object entity = event.getEntity();
	final EntityEntry entry = event.getEntityEntry();
	final EventSource session = event.getSession();
	final EntityPersister persister = entry.getPersister();
	final Status status = entry.getStatus();
	final EntityMode entityMode = session.getEntityMode();
	final Type[] types = persister.getPropertyTypes();

	final boolean mightBeDirty = entry.requiresDirtyCheck(entity);

	final Object[] values = getValues( entity, entry, entityMode, mightBeDirty, session );

	event.setPropertyValues(values);

	//TODO: avoid this for non-new instances where mightBeDirty==false
	boolean substitute = wrapCollections( session, persister, types, values);

	if ( isUpdateNecessary( event, mightBeDirty ) ) {
		substitute = scheduleUpdate( event ) || substitute;
	}

	if ( status != Status.DELETED ) {
		// now update the object .. has to be outside the main if block above (because of collections)
		if (substitute) persister.setPropertyValues( entity, values, entityMode );

		// Search for collections by reachability, updating their role.
		// We don't want to touch collections reachable from a deleted object
		if ( persister.hasCollections() ) {
			new FlushVisitor(session, entity).processEntityPropertyValues(values, types);
		}
	}

}
 

@Override
void process(Object object, EntityPersister persister) throws HibernateException {
	final Object[] values = persister.getPropertyValues( object );
	final Type[] types = persister.getPropertyTypes();
	processEntityPropertyValues( values, types );
	if ( isSubstitutionRequired() ) {
		persister.setPropertyValues( object, values );
	}
}
 

private Object[] createDeletedState(EntityPersister persister, Object[] currentState, EventSource session) {
		Type[] propTypes = persister.getPropertyTypes();
		final Object[] deletedState = new Object[propTypes.length];
//		TypeFactory.deepCopy( currentState, propTypes, persister.getPropertyUpdateability(), deletedState, session );
		boolean[] copyability = new boolean[propTypes.length];
		java.util.Arrays.fill( copyability, true );
		TypeHelper.deepCopy( currentState, propTypes, copyability, deletedState, session );
		return deletedState;
	}
 

private Object[] createDeletedState(EntityPersister persister, Object[] currentState, EventSource session) {
		Type[] propTypes = persister.getPropertyTypes();
		final Object[] deletedState = new Object[propTypes.length];
//		TypeFactory.deepCopy( currentState, propTypes, persister.getPropertyUpdateability(), deletedState, session );
		boolean[] copyability = new boolean[propTypes.length];
		java.util.Arrays.fill( copyability, true );
		TypeFactory.deepCopy( currentState, propTypes, copyability, deletedState, session );
		return deletedState;
	}
 

/**
 * Flushes a single entity's state to the database, by scheduling
 * an update action, if necessary
 */
public void onFlushEntity(FlushEntityEvent event) throws HibernateException {
	final Object entity = event.getEntity();
	final EntityEntry entry = event.getEntityEntry();
	final EventSource session = event.getSession();
	final EntityPersister persister = entry.getPersister();
	final Status status = entry.getStatus();
	final Type[] types = persister.getPropertyTypes();

	final boolean mightBeDirty = entry.requiresDirtyCheck( entity );

	final Object[] values = getValues( entity, entry, mightBeDirty, session );

	event.setPropertyValues( values );

	//TODO: avoid this for non-new instances where mightBeDirty==false
	boolean substitute = wrapCollections( session, persister, types, values );

	if ( isUpdateNecessary( event, mightBeDirty ) ) {
		substitute = scheduleUpdate( event ) || substitute;
	}

	if ( status != Status.DELETED ) {
		// now update the object .. has to be outside the main if block above (because of collections)
		if ( substitute ) {
			persister.setPropertyValues( entity, values );
		}

		// Search for collections by reachability, updating their role.
		// We don't want to touch collections reachable from a deleted object
		if ( persister.hasCollections() ) {
			new FlushVisitor( session, entity ).processEntityPropertyValues( values, types );
		}
	}

}
 

/**
 * Perform the entity deletion.  Well, as with most operations, does not
 * really perform it; just schedules an action/execution with the
 * {@link org.hibernate.engine.ActionQueue} for execution during flush.
 *
 * @param session The originating session
 * @param entity The entity to delete
 * @param entityEntry The entity's entry in the {@link PersistenceContext}
 * @param isCascadeDeleteEnabled Is delete cascading enabled?
 * @param persister The entity persister.
 * @param transientEntities A cache of already deleted entities.
 */
protected final void deleteEntity(
		final EventSource session,
		final Object entity,
		final EntityEntry entityEntry,
		final boolean isCascadeDeleteEnabled,
		final EntityPersister persister,
		final Set transientEntities) {

	if ( log.isTraceEnabled() ) {
		log.trace(
				"deleting " +
						MessageHelper.infoString( persister, entityEntry.getId(), session.getFactory() )
		);
	}

	final PersistenceContext persistenceContext = session.getPersistenceContext();
	final Type[] propTypes = persister.getPropertyTypes();
	final Object version = entityEntry.getVersion();

	final Object[] currentState;
	if ( entityEntry.getLoadedState() == null ) { //ie. the entity came in from update()
		currentState = persister.getPropertyValues( entity, session.getEntityMode() );
	}
	else {
		currentState = entityEntry.getLoadedState();
	}

	final Object[] deletedState = createDeletedState( persister, currentState, session );
	entityEntry.setDeletedState( deletedState );

	session.getInterceptor().onDelete(
			entity,
			entityEntry.getId(),
			deletedState,
			persister.getPropertyNames(),
			propTypes
	);

	// before any callbacks, etc, so subdeletions see that this deletion happened first
	persistenceContext.setEntryStatus( entityEntry, Status.DELETED );
	EntityKey key = new EntityKey( entityEntry.getId(), persister, session.getEntityMode() );

	cascadeBeforeDelete( session, persister, entity, entityEntry, transientEntities );

	new ForeignKeys.Nullifier( entity, true, false, session )
			.nullifyTransientReferences( entityEntry.getDeletedState(), propTypes );
	new Nullability( session ).checkNullability( entityEntry.getDeletedState(), persister, true );
	persistenceContext.getNullifiableEntityKeys().add( key );

	// Ensures that containing deletions happen before sub-deletions
	session.getActionQueue().addAction(
			new EntityDeleteAction(
					entityEntry.getId(),
					deletedState,
					version,
					entity,
					persister,
					isCascadeDeleteEnabled,
					session
			)
	);

	cascadeAfterDelete( session, persister, entity, transientEntities );

	// the entry will be removed after the flush, and will no longer
	// override the stale snapshot
	// This is now handled by removeEntity() in EntityDeleteAction
	//persistenceContext.removeDatabaseSnapshot(key);
}
 

/**
 * Performs all the actual work needed to save an entity (well to get the save moved to
 * the execution queue).
 *
 * @param entity The entity to be saved
 * @param key The id to be used for saving the entity (or null, in the case of identity columns)
 * @param persister The entity's persister instance.
 * @param useIdentityColumn Should an identity column be used for id generation?
 * @param anything Generally cascade-specific information.
 * @param source The session which is the source of the current event.
 * @param requiresImmediateIdAccess Is access to the identifier required immediately
 * after the completion of the save?  persist(), for example, does not require this...
 *
 * @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 performSaveOrReplicate(
		Object entity,
		EntityKey key,
		EntityPersister persister,
		boolean useIdentityColumn,
		Object anything,
		EventSource source,
		boolean requiresImmediateIdAccess) {

	Serializable id = key == null ? null : key.getIdentifier();

	boolean shouldDelayIdentityInserts = shouldDelayIdentityInserts( requiresImmediateIdAccess, source );

	// Put a placeholder in entries, so we don't recurse back and try to save() the
	// same object again. QUESTION: should this be done before onSave() is called?
	// likewise, should it be done before onUpdate()?
	EntityEntry original = source.getPersistenceContext().addEntry(
			entity,
			Status.SAVING,
			null,
			null,
			id,
			null,
			LockMode.WRITE,
			useIdentityColumn,
			persister,
			false
	);

	cascadeBeforeSave( source, persister, entity, anything );

	Object[] values = persister.getPropertyValuesToInsert( entity, getMergeMap( anything ), source );
	Type[] types = persister.getPropertyTypes();

	boolean substitute = substituteValuesIfNecessary( entity, id, values, persister, source );

	if ( persister.hasCollections() ) {
		substitute = substitute || visitCollectionsBeforeSave( entity, id, values, types, source );
	}

	if ( substitute ) {
		persister.setPropertyValues( entity, values );
	}

	TypeHelper.deepCopy(
			values,
			types,
			persister.getPropertyUpdateability(),
			values,
			source
	);

	AbstractEntityInsertAction insert = addInsertAction(
			values, id, entity, persister, useIdentityColumn, source, shouldDelayIdentityInserts
	);

	// postpone initializing id in case the insert has non-nullable transient dependencies
	// that are not resolved until cascadeAfterSave() is executed
	cascadeAfterSave( source, persister, entity, anything );
	if ( useIdentityColumn && insert.isEarlyInsert() ) {
		if ( !EntityIdentityInsertAction.class.isInstance( insert ) ) {
			throw new IllegalStateException(
					"Insert should be using an identity column, but action is of unexpected type: " +
							insert.getClass().getName()
			);
		}
		id = ((EntityIdentityInsertAction) insert).getGeneratedId();

		insert.handleNaturalIdPostSaveNotifications( id );
	}

	EntityEntry newEntry = source.getPersistenceContext().getEntry( entity );

	if ( newEntry != original ) {
		EntityEntryExtraState extraState = newEntry.getExtraState( EntityEntryExtraState.class );
		if ( extraState == null ) {
			newEntry.addExtraState( original.getExtraState( EntityEntryExtraState.class ) );
		}
	}

	return id;
}
 

private Object convertCacheEntryToEntity(
		CacheEntry entry,
		Serializable entityId,
		EntityPersister persister,
		LoadEvent event,
		EntityKey entityKey) {

	final EventSource session = event.getSession();
	final SessionFactoryImplementor factory = session.getFactory();
	final EntityPersister subclassPersister;

	if ( traceEnabled ) {
		LOG.tracef(
				"Converting second-level cache entry [%s] into entity : %s",
				entry,
				MessageHelper.infoString( persister, entityId, factory )
		);
	}

	final Object entity;

	subclassPersister = factory.getEntityPersister( entry.getSubclass() );
	final Object optionalObject = event.getInstanceToLoad();
	entity = optionalObject == null
			? session.instantiate( subclassPersister, entityId )
			: optionalObject;

	// make it circular-reference safe
	TwoPhaseLoad.addUninitializedCachedEntity(
			entityKey,
			entity,
			subclassPersister,
			LockMode.NONE,
			entry.getVersion(),
			session
	);

	final PersistenceContext persistenceContext = session.getPersistenceContext();
	final Object[] values;
	final Object version;
	final boolean isReadOnly;

	final Type[] types = subclassPersister.getPropertyTypes();
	// initializes the entity by (desired) side-effect
	values = ( (StandardCacheEntryImpl) entry ).assemble(
			entity, entityId, subclassPersister, session.getInterceptor(), session
	);
	if ( ( (StandardCacheEntryImpl) entry ).isDeepCopyNeeded() ) {
		TypeHelper.deepCopy(
				values,
				types,
				subclassPersister.getPropertyUpdateability(),
				values,
				session
		);
	}
	version = Versioning.getVersion( values, subclassPersister );
	LOG.tracef( "Cached Version : %s", version );

	final Object proxy = persistenceContext.getProxy( entityKey );
	if ( proxy != null ) {
		// there is already a proxy for this impl
		// only set the status to read-only if the proxy is read-only
		isReadOnly = ( (HibernateProxy) proxy ).getHibernateLazyInitializer().isReadOnly();
	}
	else {
		isReadOnly = session.isDefaultReadOnly();
	}

	persistenceContext.addEntry(
			entity,
			( isReadOnly ? Status.READ_ONLY : Status.MANAGED ),
			values,
			null,
			entityId,
			version,
			LockMode.NONE,
			true,
			subclassPersister,
			false
	);
	subclassPersister.afterInitialize( entity, session );
	persistenceContext.initializeNonLazyCollections();

	//PostLoad is needed for EJB3
	PostLoadEvent postLoadEvent = event.getPostLoadEvent()
			.setEntity( entity )
			.setId( entityId )
			.setPersister( persister );

	for ( PostLoadEventListener listener : postLoadEventListeners( session ) ) {
		listener.onPostLoad( postLoadEvent );
	}

	return entity;
}
 

/**
 * Perform the entity deletion.  Well, as with most operations, does not
 * really perform it; just schedules an action/execution with the
 * {@link org.hibernate.engine.spi.ActionQueue} for execution during flush.
 *
 * @param session The originating session
 * @param entity The entity to delete
 * @param entityEntry The entity's entry in the {@link PersistenceContext}
 * @param isCascadeDeleteEnabled Is delete cascading enabled?
 * @param persister The entity persister.
 * @param transientEntities A cache of already deleted entities.
 */
protected final void deleteEntity(
		final EventSource session,
		final Object entity,
		final EntityEntry entityEntry,
		final boolean isCascadeDeleteEnabled,
		final boolean isOrphanRemovalBeforeUpdates,
		final EntityPersister persister,
		final Set transientEntities) {

	if ( LOG.isTraceEnabled() ) {
		LOG.tracev(
				"Deleting {0}",
				MessageHelper.infoString( persister, entityEntry.getId(), session.getFactory() )
		);
	}

	final PersistenceContext persistenceContext = session.getPersistenceContext();
	final Type[] propTypes = persister.getPropertyTypes();
	final Object version = entityEntry.getVersion();

	final Object[] currentState;
	if ( entityEntry.getLoadedState() == null ) {
		//ie. the entity came in from update()
		currentState = persister.getPropertyValues( entity );
	}
	else {
		currentState = entityEntry.getLoadedState();
	}

	final Object[] deletedState = createDeletedState( persister, currentState, session );
	entityEntry.setDeletedState( deletedState );

	session.getInterceptor().onDelete(
			entity,
			entityEntry.getId(),
			deletedState,
			persister.getPropertyNames(),
			propTypes
	);

	// before any callbacks, etc, so subdeletions see that this deletion happened first
	persistenceContext.setEntryStatus( entityEntry, Status.DELETED );
	final EntityKey key = session.generateEntityKey( entityEntry.getId(), persister );

	cascadeBeforeDelete( session, persister, entity, entityEntry, transientEntities );

	new ForeignKeys.Nullifier( entity, true, false, session )
			.nullifyTransientReferences( entityEntry.getDeletedState(), propTypes );
	new Nullability( session ).checkNullability( entityEntry.getDeletedState(), persister, Nullability.NullabilityCheckType.DELETE );
	persistenceContext.getNullifiableEntityKeys().add( key );

	if ( isOrphanRemovalBeforeUpdates ) {
		// TODO: The removeOrphan concept is a temporary "hack" for HHH-6484.  This should be removed once action/task
		// ordering is improved.
		session.getActionQueue().addAction(
				new OrphanRemovalAction(
						entityEntry.getId(),
						deletedState,
						version,
						entity,
						persister,
						isCascadeDeleteEnabled,
						session
				)
		);
	}
	else {
		// Ensures that containing deletions happen before sub-deletions
		session.getActionQueue().addAction(
				new EntityDeleteAction(
						entityEntry.getId(),
						deletedState,
						version,
						entity,
						persister,
						isCascadeDeleteEnabled,
						session
				)
		);
	}

	cascadeAfterDelete( session, persister, entity, transientEntities );

	// the entry will be removed after the flush, and will no longer
	// override the stale snapshot
	// This is now handled by removeEntity() in EntityDeleteAction
	//persistenceContext.removeDatabaseSnapshot(key);
}
 

@Override
public Object createNaturalIdKey(Object[] naturalIdValues, EntityPersister persister, SharedSessionContractImplementor session) {
	// natural ids always need to be wrapped
	return new NaturalIdCacheKey(naturalIdValues, persister.getPropertyTypes(), persister.getNaturalIdentifierProperties(), null, session);
}
 

public void checkNullability(
		final Object[] values,
		final EntityPersister persister,
		final NullabilityCheckType checkType) {

	/*
	 * Typically when Bean Validation is on, we don't want to validate null values
	 * at the Hibernate Core level. Hence the checkNullability setting.
	 */
	if ( checkNullability ) {
		/*
		  * Algorithm
		  * Check for any level one nullability breaks
		  * Look at non null components to
		  *   recursively check next level of nullability breaks
		  * Look at Collections containing components to
		  *   recursively check next level of nullability breaks
		  *
		  *
		  * In the previous implementation, not-null stuffs where checked
		  * filtering by level one only updateable
		  * or insertable columns. So setting a sub component as update="false"
		  * has no effect on not-null check if the main component had good checkeability
		  * In this implementation, we keep this feature.
		  * However, I never see any documentation mentioning that, but it's for
		  * sure a limitation.
		  */

		final boolean[] nullability = persister.getPropertyNullability();
		final boolean[] checkability = checkType == NullabilityCheckType.CREATE
				? persister.getPropertyInsertability()
				: persister.getPropertyUpdateability();
		final Type[] propertyTypes = persister.getPropertyTypes();

		for ( int i = 0; i < values.length; i++ ) {

			if ( checkability[i] && values[i]!= LazyPropertyInitializer.UNFETCHED_PROPERTY ) {
				final Object value = values[i];
				if ( !nullability[i] && value == null ) {
					//check basic level one nullablilty
					throw new PropertyValueException(
							"not-null property references a null or transient value",
							persister.getEntityName(),
							persister.getPropertyNames()[i]
						);

				}
				else if ( value != null ) {
					//values is not null and is checkable, we'll look deeper
					final String breakProperties = checkSubElementsNullability( propertyTypes[i], value );
					if ( breakProperties != null ) {
						throw new PropertyValueException(
							"not-null property references a null or transient value",
							persister.getEntityName(),
							buildPropertyPath( persister.getPropertyNames()[i], breakProperties )
						);
					}

				}
			}

		}
	}
}
 

@Override
public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery) {
	final StringBuilder buf = new StringBuilder().append( '(' );
	final EntityPersister meta = criteriaQuery.getFactory().getEntityPersister(
			criteriaQuery.getEntityName( criteria )
	);
	final String[] propertyNames = meta.getPropertyNames();
	final Type[] propertyTypes = meta.getPropertyTypes();

	final Object[] propertyValues = meta.getPropertyValues( exampleEntity );
	for ( int i=0; i<propertyNames.length; i++ ) {
		final Object propertyValue = propertyValues[i];
		final String propertyName = propertyNames[i];

		final boolean isVersionProperty = i == meta.getVersionProperty();
		if ( ! isVersionProperty && isPropertyIncluded( propertyValue, propertyName, propertyTypes[i] ) ) {
			if ( propertyTypes[i].isComponentType() ) {
				appendComponentCondition(
					propertyName,
					propertyValue,
					(CompositeType) propertyTypes[i],
					criteria,
					criteriaQuery,
					buf
				);
			}
			else {
				appendPropertyCondition(
					propertyName,
					propertyValue,
					criteria,
					criteriaQuery,
					buf
				);
			}
		}
	}

	if ( buf.length()==1 ) {
		buf.append( "1=1" );
	}

	return buf.append( ')' ).toString();
}
 

private void checkNaturalId(
		EntityPersister persister,
		EntityEntry entry,
		Object[] current,
		Object[] loaded,
		SessionImplementor session) {
	if ( persister.hasNaturalIdentifier() && entry.getStatus() != Status.READ_ONLY ) {
		if ( !persister.getEntityMetamodel().hasImmutableNaturalId() ) {
			// SHORT-CUT: if the natural id is mutable (!immutable), no need to do the below checks
			// EARLY EXIT!!!
			return;
		}

		final int[] naturalIdentifierPropertiesIndexes = persister.getNaturalIdentifierProperties();
		final Type[] propertyTypes = persister.getPropertyTypes();
		final boolean[] propertyUpdateability = persister.getPropertyUpdateability();

		final PersistenceContext persistenceContext = session.getPersistenceContextInternal();
		final Object[] snapshot = loaded == null
				? persistenceContext.getNaturalIdSnapshot( entry.getId(), persister )
				: persistenceContext.getNaturalIdHelper().extractNaturalIdValues( loaded, persister );

		for ( int i = 0; i < naturalIdentifierPropertiesIndexes.length; i++ ) {
			final int naturalIdentifierPropertyIndex = naturalIdentifierPropertiesIndexes[i];
			if ( propertyUpdateability[naturalIdentifierPropertyIndex] ) {
				// if the given natural id property is updatable (mutable), there is nothing to check
				continue;
			}

			final Type propertyType = propertyTypes[naturalIdentifierPropertyIndex];
			if ( !propertyType.isEqual( current[naturalIdentifierPropertyIndex], snapshot[i] ) ) {
				throw new HibernateException(
						String.format(
								"An immutable natural identifier of entity %s was altered from %s to %s",
								persister.getEntityName(),
								propertyTypes[naturalIdentifierPropertyIndex].toLoggableString(
										snapshot[i],
										session.getFactory()
								),
								propertyTypes[naturalIdentifierPropertyIndex].toLoggableString(
										current[naturalIdentifierPropertyIndex],
										session.getFactory()
								)
						)
				);
			}
		}
	}
}