/**
* Build the version attribute descriptor
*
* @param ownerType The descriptor of the attribute owner (aka declarer).
* @param property The Hibernate property descriptor for the version attribute
* @param <X> The type of the owner
* @param <Y> The attribute type
* @return The built attribute descriptor
*/
@SuppressWarnings({"unchecked"})
public <X, Y> SingularAttributeImpl<X, Y> buildVersionAttribute(
AbstractIdentifiableType<X> ownerType, Property property) {
LOG.trace(
"Building version attribute [ownerType.getJavaType().getName()"
+ "."
+ "property.getName()]");
final AttributeContext<X> attributeContext = wrap(ownerType, property);
final SingularAttributeMetadata<X, Y> attributeMetadata =
(SingularAttributeMetadata<X, Y>)
determineAttributeMetadata(attributeContext, VERSION_MEMBER_RESOLVER);
final Type<Y> metaModelType = getMetaModelType(attributeMetadata.getValueContext());
return new SingularAttributeImpl.Version(
property.getName(),
attributeMetadata.getJavaType(),
ownerType,
attributeMetadata.getMember(),
metaModelType,
attributeMetadata.getPersistentAttributeType());
}
/**
* Build a normal attribute.
*
* @param ownerType The descriptor of the attribute owner (aka declarer).
* @param property The Hibernate property descriptor for the attribute
* @param <X> The type of the owner
* @param <Y> The attribute type
* @return The built attribute descriptor or null if the attribute is not part of the JPA 2 model
* (eg backrefs)
*/
@SuppressWarnings({"unchecked"})
public <X, Y> AttributeImplementor<X, Y> buildAttribute(
AbstractManagedType<X> ownerType, Property property) {
if (property.isSynthetic()) {
// hide synthetic/virtual properties (fabricated by Hibernate) from the JPA metamodel.
LOG.tracef(
"Skipping synthetic property %s(%s)",
ownerType.getJavaType().getName(), property.getName());
return null;
}
LOG.trace(
"Building attribute ["
+ ownerType.getJavaType().getName()
+ "."
+ property.getName()
+ "]");
final AttributeContext<X> attributeContext = wrap(ownerType, property);
final AttributeMetadata<X, Y> attributeMetadata =
determineAttributeMetadata(attributeContext, NORMAL_MEMBER_RESOLVER);
if (attributeMetadata == null) {
return null;
}
if (attributeMetadata.isPlural()) {
return buildPluralAttribute((PluralAttributeMetadata) attributeMetadata);
}
final SingularAttributeMetadata<X, Y> singularAttributeMetadata =
(SingularAttributeMetadata<X, Y>) attributeMetadata;
final Type<Y> metaModelType = getMetaModelType(singularAttributeMetadata.getValueContext());
return new SingularAttributeImpl<X, Y>(
attributeMetadata.getName(),
attributeMetadata.getJavaType(),
ownerType,
attributeMetadata.getMember(),
false,
false,
property.isOptional(),
metaModelType,
attributeMetadata.getPersistentAttributeType());
}