if (! declaringClassSet) throw new AssertionFailure( "DeclaringClass is not set in CollectionBinder while binding" );
propertyHolder.addProperty( prop, declaringClass );
}
private void defineFetchingStrategy() {
LazyCollection lazy = property.getAnnotation( LazyCollection.class );
Fetch fetch = property.getAnnotation( Fetch.class );
OneToMany oneToMany = property.getAnnotation( OneToMany.class );
ManyToMany manyToMany = property.getAnnotation( ManyToMany.class );
CollectionOfElements collectionOfElements = property.getAnnotation( CollectionOfElements.class ); //legacy hibernate
ElementCollection elementCollection = property.getAnnotation( ElementCollection.class ); //jpa 2
ManyToAny manyToAny = property.getAnnotation( ManyToAny.class );
FetchType fetchType;
if ( oneToMany != null ) {
fetchType = oneToMany.fetch();
}
else if ( manyToMany != null ) {
fetchType = manyToMany.fetch();
}
else if ( elementCollection != null ) {
fetchType = elementCollection.fetch();
}
else if ( collectionOfElements != null ) {
fetchType = collectionOfElements.fetch();
}
else if ( manyToAny != null ) {
fetchType = FetchType.LAZY;
}
else {
throw new AssertionFailure(
"Define fetch strategy on a property not annotated with @ManyToOne nor @OneToMany nor @CollectionOfElements"
);
}
if ( lazy != null ) {
collection.setLazy( !( lazy.value() == LazyCollectionOption.FALSE ) );
collection.setExtraLazy( lazy.value() == LazyCollectionOption.EXTRA );
}
else {
collection.setLazy( fetchType == FetchType.LAZY );
collection.setExtraLazy( false );
}