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

The following are Jave code examples for showing how to use getPropertyTypes() of the org.hibernate.persister.entity.EntityPersister class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
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Example 1
Project: lams   File: ForeignKeys.java   View Source Code Vote up 6 votes
/**
 * 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,
		SessionImplementor 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;
}
 
Example 2
Project: lams   File: Example.java   View Source Code Vote up 5 votes
@Override
public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery) {
	final EntityPersister meta = criteriaQuery.getFactory().getEntityPersister(
			criteriaQuery.getEntityName( criteria )
	);
	final String[] propertyNames = meta.getPropertyNames();
	final Type[] propertyTypes = meta.getPropertyTypes();

	final Object[] values = meta.getPropertyValues( exampleEntity );
	final List<TypedValue> list = new ArrayList<TypedValue>();
	for ( int i=0; i<propertyNames.length; i++ ) {
		final Object value = values[i];
		final Type type = propertyTypes[i];
		final String name = propertyNames[i];

		final boolean isVersionProperty = i == meta.getVersionProperty();

		if ( ! isVersionProperty && isPropertyIncluded( value, name, type ) ) {
			if ( propertyTypes[i].isComponentType() ) {
				addComponentTypedValues( name, value, (CompositeType) type, list, criteria, criteriaQuery );
			}
			else {
				addPropertyTypedValue( value, type, list );
			}
		}
	}

	return list.toArray( new TypedValue[ list.size() ] );
}
 
Example 3
Project: lams   File: CascadingActions.java   View Source Code Vote up 5 votes
@Override
public void noCascade(
		EventSource session,
		Object child,
		Object parent,
		EntityPersister persister,
		int propertyIndex) {
	if ( child == null ) {
		return;
	}
	Type type = persister.getPropertyTypes()[propertyIndex];
	if ( type.isEntityType() ) {
		String childEntityName = ((EntityType) type).getAssociatedEntityName( session.getFactory() );

		if ( !isInManagedState( child, session )
				&& !(child instanceof HibernateProxy) //a proxy cannot be transient and it breaks ForeignKeys.isTransient
				&& ForeignKeys.isTransient( childEntityName, child, null, session ) ) {
			String parentEntiytName = persister.getEntityName();
			String propertyName = persister.getPropertyNames()[propertyIndex];
			throw new TransientPropertyValueException(
					"object references an unsaved transient instance - save the transient instance before flushing",
					childEntityName,
					parentEntiytName,
					propertyName
			);

		}
	}
}
 
Example 4
Project: lams   File: EntityPrinter.java   View Source Code Vote up 5 votes
/**
 * 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 ) {
		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();
}
 
Example 5
Project: lams   File: NaturalIdCacheKey.java   View Source Code Vote up 5 votes
/**
 * Construct a new key for a caching natural identifier resolutions into the second level cache.
 * Note that an entity name should always be the root entity name, not a subclass entity name.
 *
 * @param naturalIdValues The naturalIdValues associated with the cached data
 * @param persister The persister for the entity
 * @param session The originating session
 */
public NaturalIdCacheKey(
		final Object[] naturalIdValues,
		final EntityPersister persister,
		final SessionImplementor session) {

	this.entityName = persister.getRootEntityName();
	this.tenantId = session.getTenantIdentifier();

	this.naturalIdValues = new Serializable[naturalIdValues.length];

	final SessionFactoryImplementor factory = session.getFactory();
	final int[] naturalIdPropertyIndexes = persister.getNaturalIdentifierProperties();
	final Type[] propertyTypes = persister.getPropertyTypes();

	final int prime = 31;
	int result = 1;
	result = prime * result + ( ( this.entityName == null ) ? 0 : this.entityName.hashCode() );
	result = prime * result + ( ( this.tenantId == null ) ? 0 : this.tenantId.hashCode() );
	for ( int i = 0; i < naturalIdValues.length; i++ ) {
		final int naturalIdPropertyIndex = naturalIdPropertyIndexes[i];
		final Type type = propertyTypes[naturalIdPropertyIndex];
		final Object value = naturalIdValues[i];

		result = prime * result + (value != null ? type.getHashCode( value, factory ) : 0);

		// The natural id may not be fully resolved in some situations.  See HHH-7513 for one of them
		// (re-attaching a mutable natural id uses a database snapshot and hydration does not resolve associations).
		// TODO: The snapshot should probably be revisited at some point.  Consider semi-resolving, hydrating, etc.
		if (type instanceof EntityType && type.getSemiResolvedType( factory ).getReturnedClass().isInstance( value )) {
			this.naturalIdValues[i] = (Serializable) value;
		}
		else {
			this.naturalIdValues[i] = type.disassemble( value, session, null );
		}
	}

	this.hashCode = result;
	initTransients();
}
 
Example 6
Project: lams   File: WrapVisitor.java   View Source Code Vote up 5 votes
@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 );
	}
}
 
Example 7
Project: lams   File: DefaultDeleteEventListener.java   View Source Code Vote up 5 votes
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;
	}
 
Example 8
Project: lams   File: DefaultFlushEntityEventListener.java   View Source Code Vote up 5 votes
/**
 * 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 );
		}
	}

}
 
Example 9
Project: lams   File: Example.java   View Source Code Vote up 4 votes
@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();
}
 
Example 10
Project: lams   File: Cascade.java   View Source Code Vote up 4 votes
/**
 * Cascade an action from the parent entity instance to all its children.  This
 * form is typically called from within cascade actions.
 *
 * @param persister The parent's entity persister
 * @param parent The parent reference.
 * @param anything Anything ;)   Typically some form of cascade-local cache
 * which is specific to each CascadingAction type
 */
public void cascade(final EntityPersister persister, final Object parent, final Object anything) {
	if ( persister.hasCascades() || action.requiresNoCascadeChecking() ) {
		// performance opt
		final boolean traceEnabled = LOG.isTraceEnabled();
		if ( traceEnabled ) {
			LOG.tracev( "Processing cascade {0} for: {1}", action, persister.getEntityName() );
		}

		final Type[] types = persister.getPropertyTypes();
		final CascadeStyle[] cascadeStyles = persister.getPropertyCascadeStyles();
		final boolean hasUninitializedLazyProperties = persister.hasUninitializedLazyProperties( parent );
		for ( int i=0; i<types.length; i++) {
			final CascadeStyle style = cascadeStyles[i];
			final String propertyName = persister.getPropertyNames()[i];
			if ( hasUninitializedLazyProperties && persister.getPropertyLaziness()[i] && ! action.performOnLazyProperty() ) {
				//do nothing to avoid a lazy property initialization
				continue;
			}

			if ( style.doCascade( action ) ) {
				cascadeProperty(
						parent,
						persister.getPropertyValue( parent, i ),
						types[i],
						style,
						propertyName,
						anything,
						false
				);
			}
			else if ( action.requiresNoCascadeChecking() ) {
				action.noCascade(
						eventSource,
						persister.getPropertyValue( parent, i ),
						parent,
						persister,
						i
				);
			}
		}

		if ( traceEnabled ) {
			LOG.tracev( "Done processing cascade {0} for: {1}", action, persister.getEntityName() );
		}
	}
}
 
Example 11
Project: lams   File: Nullability.java   View Source Code Vote up 4 votes
/**
 * Check nullability of the class persister properties
 *
 * @param values entity properties
 * @param persister class persister
 * @param isUpdate whether it is intended to be updated or saved
 *
 * @throws PropertyValueException Break the nullability of one property
 * @throws HibernateException error while getting Component values
 */
public void checkNullability(
		final Object[] values,
		final EntityPersister persister,
		final boolean isUpdate) throws HibernateException {
	/*
	 * 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 contraining component 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 = isUpdate ?
			persister.getPropertyUpdateability() :
			persister.getPropertyInsertability();
		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 )
						);
					}

				}
			}

		}
	}
}
 
Example 12
Project: lams   File: DefaultFlushEntityEventListener.java   View Source Code Vote up 4 votes
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 Object[] snapshot = loaded == null
				? session.getPersistenceContext().getNaturalIdSnapshot( entry.getId(), persister )
				: session.getPersistenceContext().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()
								)
						)
				);
			}
		}
	}
}