JPAOverriddenAnnotationReader.java 文件源码

/**
 * As per sections 12.2.3.23.9, 12.2.4.8.9 and 12.2.5.3.6 of the JPA 2.0
 * specification, the element-collection subelement completely overrides the
 * mapping for the specified field or property.  Thus, any methods which
 * might in some contexts merge with annotations must not do so in this
 * context.
 */
private void getElementCollection(List<Annotation> annotationList, XMLContext.Default defaults) {
    for ( Element element : elementsForProperty ) {
        if ( "element-collection".equals( element.getName() ) ) {
            AnnotationDescriptor ad = new AnnotationDescriptor( ElementCollection.class );
            addTargetClass( element, ad, "target-class", defaults );
            getFetchType( ad, element );
            getOrderBy( annotationList, element );
            getOrderColumn( annotationList, element );
            getMapKey( annotationList, element );
            getMapKeyClass( annotationList, element, defaults );
            getMapKeyTemporal( annotationList, element );
            getMapKeyEnumerated( annotationList, element );
            getMapKeyColumn( annotationList, element );
            buildMapKeyJoinColumns( annotationList, element );
            Annotation annotation = getColumn( element.element( "column" ), false, element );
            addIfNotNull( annotationList, annotation );
            getTemporal( annotationList, element );
            getEnumerated( annotationList, element );
            getLob( annotationList, element );
            //Both map-key-attribute-overrides and attribute-overrides
            //translate into AttributeOverride annotations, which need
            //need to be wrapped in the same AttributeOverrides annotation.
            List<AttributeOverride> attributes = new ArrayList<AttributeOverride>();
            attributes.addAll( buildAttributeOverrides( element, "map-key-attribute-override" ) );
            attributes.addAll( buildAttributeOverrides( element, "attribute-override" ) );
            annotation = mergeAttributeOverrides( defaults, attributes, false );
            addIfNotNull( annotationList, annotation );
            annotation = getAssociationOverrides( element, defaults, false );
            addIfNotNull( annotationList, annotation );
            getCollectionTable( annotationList, element, defaults );
            annotationList.add( AnnotationFactory.create( ad ) );
            getAccessType( annotationList, element );
        }
    }
}