Author: steve.ebersole(a)jboss.com Date: 2010-03-29 21:37:23 -0400 (Mon, 29 Mar 2010) New Revision: 19137 Modified: core/trunk/entitymanager/src/main/java/org/hibernate/ejb/metamodel/AttributeFactory.java Log: HHH-4870 - Cannot determine java-type from given member [null] Modified: core/trunk/entitymanager/src/main/java/org/hibernate/ejb/metamodel/AttributeFactory.java =================================================================== --- core/trunk/entitymanager/src/main/java/org/hibernate/ejb/metamodel/AttributeFactory.java 2010-03-30 01:05:18 UTC (rev 19136) +++ core/trunk/entitymanager/src/main/java/org/hibernate/ejb/metamodel/AttributeFactory.java 2010-03-30 01:37:23 UTC (rev 19137) @@ -83,9 +83,12 @@ */ @SuppressWarnings({ "unchecked" }) public <X, Y> AttributeImplementor<X, Y> buildAttribute(AbstractManagedType<X> ownerType, Property property) { + if ( isVirtual( property, ownerType ) ) { + // hide virtual properties (fabricated by Hibernate) from the JPA metamodel. + log.trace( "Skipping virtual property {}({})", ownerType.getJavaType().getName(), property.getName() ); + return null; + } log.trace( "Building attribute [{}.{}]", ownerType.getJavaType().getName(), property.getName() ); - //a back ref is a virtual property created by Hibernate, let's hide it from the JPA model. - if ( property.isBackRef() ) return null; final AttributeContext<X> attributeContext = wrap( ownerType, property ); final AttributeMetadata<X,Y> attributeMetadata = determineAttributeMetadata( attributeContext, NORMAL_MEMBER_RESOLVER ); @@ -111,6 +114,12 @@ } } + private <X> boolean isVirtual(Property property, AbstractManagedType<X> ownerType) { + // back-refs and embedded components are considered virtual + return property.isBackRef() + || ( property.isComposite() && ( (Component) property.getValue() ).isEmbedded() ); + } + private <X> AttributeContext<X> wrap(final AbstractManagedType<X> ownerType, final Property property) { return new AttributeContext<X>() { public AbstractManagedType<X> getOwnerType() {