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HHH-6372 : Provide a temporary way to initialize basic types in metamodel

This commit is contained in:
Gail Badner 2011-06-28 13:21:16 -07:00
parent ffb14b28b7
commit 0c757327bd
1 changed files with 50 additions and 6 deletions
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56
hibernate-core/src/main/java/org/hibernate/metamodel/source/internal/AttributeTypeResolver.java
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@ -25,12 +25,20 @@ package org.hibernate.metamodel.source.internal;
import java.util.Properties;
import org.hibernate.MappingException;
import org.hibernate.metamodel.binding.AttributeBinding;
import org.hibernate.metamodel.binding.EntityBinding;
import org.hibernate.metamodel.binding.HibernateTypeDescriptor;
import org.hibernate.metamodel.domain.AbstractAttributeContainer;
import org.hibernate.metamodel.domain.Attribute;
import org.hibernate.metamodel.domain.BasicType;
import org.hibernate.metamodel.domain.JavaType;
import org.hibernate.metamodel.relational.Datatype;
import org.hibernate.metamodel.relational.SimpleValue;
import org.hibernate.metamodel.relational.Value;
import org.hibernate.metamodel.source.spi.MetadataImplementor;
import org.hibernate.type.AbstractStandardBasicType;
import org.hibernate.type.Type;
/**
* This is a TEMPORARY way to initialize HibernateTypeDescriptor.explicitType.
@ -49,14 +57,17 @@ class AttributeTypeResolver {
void resolve() {
for ( EntityBinding entityBinding : metadata.getEntityBindings() ) {
for ( AttributeBinding attributeBinding : entityBinding.getAttributeBindings() ) {
resolve( attributeBinding );
Type type = resolveHibernateType( attributeBinding );
if ( type != null && ! type.isAssociationType() && ! type.isCollectionType() && ! type.isComponentType() ) {
resolveJavaType( attributeBinding.getAttribute(), type );
}
}
}
}
private void resolve(AttributeBinding attributeBinding) {
private Type resolveHibernateType(AttributeBinding attributeBinding) {
if ( attributeBinding.getHibernateTypeDescriptor().getExplicitType() != null ) {
return; // already resolved
return attributeBinding.getHibernateTypeDescriptor().getExplicitType(); // already resolved
}
// this only works for "basic" attribute types
@ -66,21 +77,54 @@ class AttributeTypeResolver {
getQualifiedAttributeName( attributeBinding )
);
}
Type type = null;
if ( typeDescriptor.getTypeName() != null ) {
Properties typeParameters = null;
if ( typeDescriptor.getTypeParameters() != null ) {
typeParameters = new Properties();
typeParameters.putAll( typeDescriptor.getTypeParameters() );
}
typeDescriptor.setExplicitType(
metadata.getTypeResolver().heuristicType(
type = metadata.getTypeResolver().heuristicType(
typeDescriptor.getTypeName(),
typeParameters
);
typeDescriptor.setExplicitType( type );
}
return type;
}
// this only works for singular basic types
private void resolveJavaType(Attribute attribute, Type type) {
if ( ! ( type instanceof AbstractStandardBasicType ) || ! attribute.isSingular() ) {
return;
}
// Converting to SingularAttributeImpl is bad, but this resolver is TEMPORARY!
AbstractAttributeContainer.SingularAttributeImpl singularAttribute =
( AbstractAttributeContainer.SingularAttributeImpl ) attribute;
if ( ! singularAttribute.isTypeResolved() ) {
singularAttribute.resolveType(
new BasicType(
new JavaType( ( ( AbstractStandardBasicType) type ).getJavaTypeDescriptor().getJavaTypeClass() )
)
);
}
}
// this only works for singular basic types
private void resolveSqlType(Value value, Type type) {
if ( value == null || ! ( value instanceof SimpleValue ) || ! ( type instanceof AbstractStandardBasicType ) ) {
return;
}
// Converting to AbstractStandardBasicType is bad, but this resolver is TEMPORARY!
AbstractStandardBasicType basicType = ( AbstractStandardBasicType ) type;
Datatype dataType = new Datatype(
basicType.getSqlTypeDescriptor().getSqlType(),
basicType.getName(),
basicType.getReturnedClass()
);
( (SimpleValue) value ).setDatatype( dataType );
}
// TODO: this does not work for components
private static String getQualifiedAttributeName(AttributeBinding attributebinding) {
return new StringBuilder()