package mapping.usercollection.basic;
import java.util.Iterator;
import java.util.Map;
import org.hibernate.EntityMode;
import org.hibernate.HibernateException;
import org.hibernate.collection.PersistentCollection;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.persister.collection.CollectionPersister;
import org.hibernate.usertype.UserCollectionType;
public class MyListType implements UserCollectionType {
static int lastInstantiationRequest = -2;
public PersistentCollection instantiate(SessionImplementor session, CollectionPersister persister) throws HibernateException {
return new PersistentMyList(session);
}
public PersistentCollection wrap(SessionImplementor session, Object collection) {
if ( session.getEntityMode()==EntityMode.DOM4J ) {
throw new IllegalStateException("dom4j not supported");
}
else {
return new PersistentMyList( session, (IMyList) collection );
}
}
public Iterator getElementsIterator(Object collection) {
return ( (IMyList) collection ).iterator();
}
public boolean contains(Object collection, Object entity) {
return ( (IMyList) collection ).contains(entity);
}
public Object indexOf(Object collection, Object entity) {
int l = ( (IMyList) collection ).indexOf(entity);
if(l<0) {
return null;
} else {
return new Integer(l);
}
}
public Object replaceElements(Object original, Object target, CollectionPersister persister, Object owner, Map copyCache, SessionImplementor session) throws HibernateException {
IMyList result = (IMyList) target;
result.clear();
result.addAll((MyList)original);
return result;
}
public Object instantiate(int anticipatedSize) {
lastInstantiationRequest = anticipatedSize;
return new MyList();
}
public Object instantiate() {
// TODO Auto-generated method stub
return null;
}
}