diff --git a/hibernate-core/src/main/java/org/hibernate/metamodel/binding/AbstractPluralAttributeBinding.java b/hibernate-core/src/main/java/org/hibernate/metamodel/binding/AbstractPluralAttributeBinding.java index 0119b99d9e..598b30b221 100644 --- a/hibernate-core/src/main/java/org/hibernate/metamodel/binding/AbstractPluralAttributeBinding.java +++ b/hibernate-core/src/main/java/org/hibernate/metamodel/binding/AbstractPluralAttributeBinding.java @@ -276,6 +276,10 @@ public abstract class AbstractPluralAttributeBinding extends AbstractAttributeBi return batchSize; } + public boolean isEmbedded() { + return embedded; + } + public Class getCollectionPersisterClass() { return collectionPersisterClass; } diff --git a/hibernate-core/src/main/java/org/hibernate/metamodel/source/internal/HibernateTypeResolver.java b/hibernate-core/src/main/java/org/hibernate/metamodel/source/internal/HibernateTypeResolver.java index 0f85399051..9e64a1a9de 100644 --- a/hibernate-core/src/main/java/org/hibernate/metamodel/source/internal/HibernateTypeResolver.java +++ b/hibernate-core/src/main/java/org/hibernate/metamodel/source/internal/HibernateTypeResolver.java @@ -25,18 +25,23 @@ package org.hibernate.metamodel.source.internal; import java.util.Properties; +import org.hibernate.AssertionFailure; +import org.hibernate.metamodel.binding.AbstractCollectionElement; +import org.hibernate.metamodel.binding.AbstractPluralAttributeBinding; import org.hibernate.metamodel.binding.AttributeBinding; +import org.hibernate.metamodel.binding.BasicCollectionElement; import org.hibernate.metamodel.binding.EntityBinding; import org.hibernate.metamodel.binding.EntityDiscriminator; import org.hibernate.metamodel.binding.HibernateTypeDescriptor; +import org.hibernate.metamodel.binding.PluralAttributeBinding; import org.hibernate.metamodel.binding.SingularAttributeBinding; -import org.hibernate.metamodel.domain.Attribute; import org.hibernate.metamodel.domain.SingularAttribute; import org.hibernate.metamodel.relational.Datatype; import org.hibernate.metamodel.relational.SimpleValue; import org.hibernate.metamodel.relational.Value; import org.hibernate.metamodel.source.MetadataImplementor; import org.hibernate.type.Type; +import org.hibernate.type.TypeFactory; /** * This is a TEMPORARY way to initialize Hibernate types. @@ -58,7 +63,19 @@ class HibernateTypeResolver { resolveDiscriminatorTypeInformation( entityBinding.getHierarchyDetails().getEntityDiscriminator() ); } for ( AttributeBinding attributeBinding : entityBinding.attributeBindings() ) { - resolveAttributeTypeInformation( attributeBinding ); + if ( SingularAttributeBinding.class.isInstance( attributeBinding ) ) { + resolveSingularAttributeTypeInformation( + SingularAttributeBinding.class.cast( attributeBinding ) + ); + } + else if ( AbstractPluralAttributeBinding.class.isInstance( attributeBinding ) ) { + resolvePluralAttributeTypeInformation( + AbstractPluralAttributeBinding.class.cast( attributeBinding ) + ); + } + else { + throw new AssertionFailure( "Unknown type of AttributeBinding: " + attributeBinding.getClass().getName() ); + } } } } @@ -66,7 +83,7 @@ class HibernateTypeResolver { // perform any needed type resolutions for discriminator private void resolveDiscriminatorTypeInformation(EntityDiscriminator discriminator) { // perform any needed type resolutions for discriminator - Type resolvedHibernateType = determineHibernateTypeFromDescriptor( discriminator.getExplicitHibernateTypeDescriptor() ); + Type resolvedHibernateType = determineSingularTypeFromDescriptor( discriminator.getExplicitHibernateTypeDescriptor() ); if ( resolvedHibernateType != null ) { pushHibernateTypeInformationDownIfNeeded( discriminator.getExplicitHibernateTypeDescriptor(), @@ -76,50 +93,138 @@ class HibernateTypeResolver { } } - // perform any needed type resolutions - private void resolveAttributeTypeInformation(AttributeBinding attributeBinding) { - - // we can determine the Hibernate Type if either: - // 1) the user explicitly named a Type in a HibernateTypeDescriptor - // 2) we know the java type of the attribute - Type resolvedHibernateType = determineHibernateTypeFromDescriptor( attributeBinding.getHibernateTypeDescriptor() ); - if ( resolvedHibernateType == null ) { - resolvedHibernateType = determineHibernateTypeFromAttribute( attributeBinding.getAttribute() ); - } - if ( resolvedHibernateType != null ) { - pushHibernateTypeInformationDownIfNeeded( attributeBinding, resolvedHibernateType ); - } - } - - private Type determineHibernateTypeFromDescriptor(HibernateTypeDescriptor hibernateTypeDescriptor) { + private Type determineSingularTypeFromDescriptor(HibernateTypeDescriptor hibernateTypeDescriptor) { if ( hibernateTypeDescriptor.getResolvedTypeMapping() != null ) { return hibernateTypeDescriptor.getResolvedTypeMapping(); } - String typeName = null; - Properties typeParameters = new Properties( ); - if ( hibernateTypeDescriptor.getExplicitTypeName() != null ) { - typeName = hibernateTypeDescriptor.getExplicitTypeName(); - if ( hibernateTypeDescriptor.getTypeParameters() != null ) { - typeParameters.putAll( hibernateTypeDescriptor.getTypeParameters() ); - } - } - else if ( hibernateTypeDescriptor.getJavaTypeName() != null ) { - typeName = hibernateTypeDescriptor.getJavaTypeName(); - } + String typeName = determineTypeName( hibernateTypeDescriptor ); + Properties typeParameters = getTypeParameters( hibernateTypeDescriptor ); return getHeuristicType( typeName, typeParameters ); } - private Type determineHibernateTypeFromAttribute(Attribute attribute) { - // currently, we only handle singular attributes - if ( attribute.isSingular() ) { - final SingularAttribute singularAttribute = ( SingularAttribute ) attribute; + private static String determineTypeName(HibernateTypeDescriptor hibernateTypeDescriptor) { + return hibernateTypeDescriptor.getExplicitTypeName() != null ? + hibernateTypeDescriptor.getExplicitTypeName() : + hibernateTypeDescriptor.getJavaTypeName(); + } + + private static Properties getTypeParameters(HibernateTypeDescriptor hibernateTypeDescriptor) { + Properties typeParameters = new Properties( ); + if ( hibernateTypeDescriptor.getTypeParameters() != null ) { + typeParameters.putAll( hibernateTypeDescriptor.getTypeParameters() ); + } + return typeParameters; + } + + // perform any needed type resolutions for SingularAttributeBinding + private void resolveSingularAttributeTypeInformation(SingularAttributeBinding attributeBinding) { + if ( attributeBinding.getHibernateTypeDescriptor().getResolvedTypeMapping() != null ) { + return; + } + // we can determine the Hibernate Type if either: + // 1) the user explicitly named a Type in a HibernateTypeDescriptor + // 2) we know the java type of the attribute + Type resolvedType; + resolvedType = determineSingularTypeFromDescriptor( attributeBinding.getHibernateTypeDescriptor() ); + if ( resolvedType == null ) { + if ( ! attributeBinding.getAttribute().isSingular() ) { + throw new AssertionFailure( "SingularAttributeBinding object has a plural attribute: " + attributeBinding.getAttribute().getName() ); + } + final SingularAttribute singularAttribute = ( SingularAttribute ) attributeBinding.getAttribute(); if ( singularAttribute.getSingularAttributeType() != null ) { - return getHeuristicType( + resolvedType = getHeuristicType( singularAttribute.getSingularAttributeType().getClassName(), new Properties() ); } } - return null; + if ( resolvedType != null ) { + pushHibernateTypeInformationDownIfNeeded( attributeBinding, resolvedType ); + } + } + + // perform any needed type resolutions for PluralAttributeBinding + private void resolvePluralAttributeTypeInformation(AbstractPluralAttributeBinding attributeBinding) { + if ( attributeBinding.getHibernateTypeDescriptor().getResolvedTypeMapping() != null ) { + return; + } + Type resolvedType; + String typeName = determineTypeName( attributeBinding.getHibernateTypeDescriptor() ); + if ( typeName != null ) { + resolvedType = + metadata.getTypeResolver() + .getTypeFactory() + .customCollection( + typeName, + getTypeParameters( attributeBinding.getHibernateTypeDescriptor() ), + attributeBinding.getAttribute().getName(), + attributeBinding.getReferencedPropertyName(), + attributeBinding.isEmbedded() + ); + } + else { + resolvedType = determineDefaultCollectionInformation( attributeBinding ); + } + if ( resolvedType != null ) { + pushHibernateTypeInformationDownIfNeeded( + attributeBinding.getHibernateTypeDescriptor(), + null, + resolvedType ); + } + resolveCollectionElementTypeInformation( attributeBinding.getCollectionElement() ); + } + + private Type determineDefaultCollectionInformation(AbstractPluralAttributeBinding attributeBinding) { + final TypeFactory typeFactory = metadata.getTypeResolver().getTypeFactory(); + switch ( attributeBinding.getAttribute().getNature() ) { + case SET: { + return typeFactory.set( + attributeBinding.getAttribute().getName(), + attributeBinding.getReferencedPropertyName(), + attributeBinding.isEmbedded() + ); + } + case BAG: { + return typeFactory.set( + attributeBinding.getAttribute().getName(), + attributeBinding.getReferencedPropertyName(), + attributeBinding.isEmbedded() + ); + } + default: { + throw new UnsupportedOperationException( + "Collection type not supported yet:" + attributeBinding.getAttribute().getNature() + ); + } + } + } + + private void resolveCollectionElementTypeInformation(AbstractCollectionElement collectionElement) { + switch ( collectionElement.getCollectionElementNature() ) { + case BASIC: { + resolveBasicCollectionElement( BasicCollectionElement.class.cast( collectionElement ) ); + break; + } + case COMPOSITE: + case ONE_TO_MANY: + case MANY_TO_MANY: + case MANY_TO_ANY: { + throw new UnsupportedOperationException( "Collection element nature not supported yet: " + collectionElement.getCollectionElementNature() ); + } + default: { + throw new AssertionFailure( "Unknown collection element nature : " + collectionElement.getCollectionElementNature() ); + } + } + } + + private void resolveBasicCollectionElement(BasicCollectionElement basicCollectionElement) { + Type resolvedHibernateType = determineSingularTypeFromDescriptor( basicCollectionElement.getHibernateTypeDescriptor() ); + if ( resolvedHibernateType != null ) { + pushHibernateTypeInformationDownIfNeeded( + basicCollectionElement.getHibernateTypeDescriptor(), + basicCollectionElement.getElementValue(), + resolvedHibernateType + ); + } } private Type getHeuristicType(String typeName, Properties typeParameters) { @@ -134,18 +239,13 @@ class HibernateTypeResolver { return null; } - private void pushHibernateTypeInformationDownIfNeeded(AttributeBinding attributeBinding, Type resolvedHibernateType) { + private void pushHibernateTypeInformationDownIfNeeded(SingularAttributeBinding attributeBinding, Type resolvedHibernateType) { final HibernateTypeDescriptor hibernateTypeDescriptor = attributeBinding.getHibernateTypeDescriptor(); - Value value = null; - if ( SingularAttribute.class.isInstance( attributeBinding.getAttribute() ) ) { - value = SingularAttributeBinding.class.cast( attributeBinding ).getValue(); - final SingularAttribute singularAttribute = (SingularAttribute) attributeBinding.getAttribute(); - if ( ! singularAttribute.isTypeResolved() ) { - if ( hibernateTypeDescriptor.getJavaTypeName() != null ) { - singularAttribute.resolveType( metadata.makeJavaType( hibernateTypeDescriptor.getJavaTypeName() ) ); - } - } + final SingularAttribute singularAttribute = SingularAttribute.class.cast( attributeBinding.getAttribute() ); + final Value value = attributeBinding.getValue(); + if ( ! singularAttribute.isTypeResolved() && hibernateTypeDescriptor.getJavaTypeName() != null ) { + singularAttribute.resolveType( metadata.makeJavaType( hibernateTypeDescriptor.getJavaTypeName() ) ); } // sql type information ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~