org.hibernate.tuple.entity.EntityMetamodel Java Examples

private EntityMetamodel getDeclarerEntityMetamodel(AbstractIdentifiableType<?> ownerType) {
	final Type.PersistenceType persistenceType = ownerType.getPersistenceType();
	if ( persistenceType == Type.PersistenceType.ENTITY ) {
		return context.getSessionFactory()
				.getMetamodel()
				.entityPersister( ownerType.getTypeName() )
				.getEntityMetamodel();
	}
	else if ( persistenceType == Type.PersistenceType.MAPPED_SUPERCLASS ) {
		PersistentClass persistentClass =
				context.getPersistentClassHostingProperties( (MappedSuperclassTypeImpl<?>) ownerType );
		return context.getSessionFactory()
				.getMetamodel()
				.entityPersister( persistentClass.getClassName() )
				.getEntityMetamodel();
	}
	else {
		throw new AssertionFailure( "Cannot get the metamodel for PersistenceType: " + persistenceType );
	}
}
 

private void updateModifiedPropertiesWithAutoTimestamp(Map<String, Object> modifiedProperties, PreUpdateEvent hibernateEvent) {

        EntityMetamodel entityMetamodel = hibernateEvent.getPersister().getEntityMetamodel();
        Integer dateCreatedIdx = entityMetamodel.getPropertyIndexOrNull(AutoTimestampEventListener.DATE_CREATED_PROPERTY);

        Object[] oldState = hibernateEvent.getOldState();
        Object[] state = hibernateEvent.getState();

        // Only for "dateCreated" property, "lastUpdated" is handled correctly
        if (dateCreatedIdx != null && oldState != null && oldState[dateCreatedIdx] != null && !oldState[dateCreatedIdx].equals(state[dateCreatedIdx])) {
            modifiedProperties.put(AutoTimestampEventListener.DATE_CREATED_PROPERTY, oldState[dateCreatedIdx]);
        }
    }
 

private void synchronizeHibernateState(EntityPersister persister, Object[] state, Map<String, Object> modifiedProperties) {
    EntityMetamodel entityMetamodel = persister.getEntityMetamodel();
    for(Map.Entry<String,Object> entry : modifiedProperties.entrySet()) {
        Integer index = entityMetamodel.getPropertyIndexOrNull(entry.getKey());
        if(index != null) {
            state[index] = entry.getValue();
        }
    }
}
 

private void synchronizePersisterState(AbstractPreDatabaseOperationEvent event, Object[] state, EntityPersister persister, String[] propertyNames) {
    Object entity = event.getEntity();
    EntityReflector reflector = persistentEntity.getReflector();
    HashMap<Integer, Object> changedState= new HashMap<>();
    EntityMetamodel entityMetamodel = persister.getEntityMetamodel();
    for (int i = 0; i < propertyNames.length; i++) {
        String p = propertyNames[i];
        Integer index = entityMetamodel.getPropertyIndexOrNull(p);
        if(index == null) continue;
        
        PersistentProperty property = persistentEntity.getPropertyByName(p);
        if (property == null) {
            continue;
        }
        String propertyName = property.getName();

        if(GormProperties.VERSION.equals(propertyName)) {
            continue;
        }

        Object value = reflector.getProperty(entity, propertyName);
        if(state[index] != value) {
            changedState.put(i, value);
        }
        state[index] = value;
    }

    synchronizeEntityUpdateActionState(event, entity, changedState);
}
 

public PojoEntityTuplizer(EntityMetamodel entityMetamodel, PersistentClass mappedEntity) {
		super( entityMetamodel, mappedEntity );
		this.mappedClass = mappedEntity.getMappedClass();
		this.proxyInterface = mappedEntity.getProxyInterface();
		this.lifecycleImplementor = Lifecycle.class.isAssignableFrom( mappedClass );
		this.validatableImplementor = Validatable.class.isAssignableFrom( mappedClass );

		Iterator iter = mappedEntity.getPropertyClosureIterator();
		while ( iter.hasNext() ) {
			Property property = (Property) iter.next();
			if ( property.isLazy() ) {
				lazyPropertyNames.add( property.getName() );
			}
		}

		String[] getterNames = new String[propertySpan];
		String[] setterNames = new String[propertySpan];
		Class[] propTypes = new Class[propertySpan];
		for ( int i = 0; i < propertySpan; i++ ) {
			getterNames[i] = getters[i].getMethodName();
			setterNames[i] = setters[i].getMethodName();
			propTypes[i] = getters[i].getReturnType();
		}

		if ( hasCustomAccessors || !Environment.useReflectionOptimizer() ) {
			optimizer = null;
		}
		else {
			// todo : YUCK!!!
			optimizer = Environment.getBytecodeProvider().getReflectionOptimizer( mappedClass, getterNames, setterNames, propTypes );
//			optimizer = getFactory().getSettings().getBytecodeProvider().getReflectionOptimizer(
//					mappedClass, getterNames, setterNames, propTypes
//			);
		}
	
	}
 

public EntityMetamodel getEntityMetamodel() {
	return entityMetamodel;
}
 

private void collectAttributeDefinitions(
		Map<String, AttributeDefinition> attributeDefinitionsByName,
		EntityMetamodel metamodel) {
	for ( int i = 0; i < metamodel.getPropertySpan(); i++ ) {
		final AttributeDefinition attributeDefinition = metamodel.getProperties()[i];
		// Don't replace an attribute definition if it is already in attributeDefinitionsByName
		// because the new value will be from a subclass.
		final AttributeDefinition oldAttributeDefinition = attributeDefinitionsByName.get(
				attributeDefinition.getName()
		);
		if ( oldAttributeDefinition != null ) {
			if ( LOG.isTraceEnabled() ) {
				LOG.tracef(
						"Ignoring subclass attribute definition [%s.%s] because it is defined in a superclass ",
						entityMetamodel.getName(),
						attributeDefinition.getName()
				);
			}
		}
		else {
			attributeDefinitionsByName.put( attributeDefinition.getName(), attributeDefinition );
		}
	}

	// see if there are any subclass persisters...
	final Set<String> subClassEntityNames = metamodel.getSubclassEntityNames();
	if ( subClassEntityNames == null ) {
		return;
	}

	// see if we can find the persisters...
	for ( String subClassEntityName : subClassEntityNames ) {
		if ( metamodel.getName().equals( subClassEntityName ) ) {
			// skip it
			continue;
		}
		try {
			final EntityPersister subClassEntityPersister = factory.getEntityPersister( subClassEntityName );
			collectAttributeDefinitions( attributeDefinitionsByName, subClassEntityPersister.getEntityMetamodel() );
		}
		catch (MappingException e) {
			throw new IllegalStateException(
					String.format(
							"Could not locate subclass EntityPersister [%s] while processing EntityPersister [%s]",
							subClassEntityName,
							metamodel.getName()
					),
					e
			);
		}
	}
}
 

public EntityMetamodel getEntityMetamodel() {
	return entityMetamodel;
}
 

public EntityMetamodel getEntityMetamodel() {
	return null;
}
 

public MyEntityTuplizer(EntityMetamodel entityMetamodel, PersistentClass mappedEntity) {
	super( entityMetamodel, mappedEntity );
}
 

/**
 * Retrieve the underlying entity metamodel instance...
 *
 *@return The metamodel
 */
EntityMetamodel getEntityMetamodel();
 

/**
 * Retrieve the underlying entity metamodel instance...
 *
 *@return The metamodel
 */
public EntityMetamodel getEntityMetamodel();