JPAOverriddenAnnotationReader.java 文件源码

private Entity getEntity(Element tree, XMLContext.Default defaults) {
    if ( tree == null ) {
        return defaults.canUseJavaAnnotations() ? getPhysicalAnnotation( Entity.class ) : null;
    }
    else {
        if ( "entity".equals( tree.getName() ) ) {
            AnnotationDescriptor entity = new AnnotationDescriptor( Entity.class );
            copyStringAttribute( entity, tree, "name", false );
            if ( defaults.canUseJavaAnnotations()
                    && StringHelper.isEmpty( (String) entity.valueOf( "name" ) ) ) {
                Entity javaAnn = getPhysicalAnnotation( Entity.class );
                if ( javaAnn != null ) {
                    entity.setValue( "name", javaAnn.name() );
                }
            }
            return AnnotationFactory.create( entity );
        }
        else {
            return null; //this is not an entity
        }
    }
}