public ArrayType(String role,
    String propertyRef,
    Class elementClass,
    boolean isEmbeddedInXML) 
{
		super(role, propertyRef, isEmbeddedInXML);
		this.elementClass = elementClass;
		arrayClass = Array.newInstance(elementClass, 0).getClass();
}

 public Iterator getElementsIterator(Object collection) 
{
		return Arrays.asList( (Object[]) collection ).iterator();
}

Not defined for collections of primitive type

 public Class getReturnedClass() 
{
		return arrayClass;
}

 public boolean hasHolder(EntityMode entityMode) 
{
		return true;
}

 public Object indexOf(Object array,
    Object element) 
{
		int length = Array.getLength(array);
		for ( int i=0; i< length; i++ ) {
			//TODO: proxies!
			if ( Array.get(array, i)==element ) return new Integer(i);
		}
		return null;
}

 protected boolean initializeImmediately(EntityMode entityMode) 
{
		return true;
}

 public Object instantiate(int anticipatedSize) 
{
		throw new UnsupportedOperationException();
}

 public PersistentCollection instantiate(SessionImplementor session,
    CollectionPersister persister,
    Serializable key) throws HibernateException 
{
		return new PersistentArrayHolder(session, persister);
}

 public Object instantiateResult(Object original) 
{
		return Array.newInstance( elementClass, Array.getLength(original) );
}

 public boolean isArrayType() 
{
		return true;
}

 public Object replaceElements(Object original,
    Object target,
    Object owner,
    Map copyCache,
    SessionImplementor session) throws HibernateException 
{
		
		int length = Array.getLength(original);
		if ( length!=Array.getLength(target) ) {
			//note: this affects the return value!
			target=instantiateResult(original);
		}
		Type elemType = getElementType( session.getFactory() );
		for ( int i=0; i< length; i++ ) {
			Array.set( target, i, elemType.replace( Array.get(original, i), null, session, owner, copyCache ) );
		}
		return target;
}

 public String toLoggableString(Object value,
    SessionFactoryImplementor factory) throws HibernateException 
{
		if ( value == null ) {
			return "null";
		}
		int length = Array.getLength(value);
		List list = new ArrayList(length);
		Type elemType = getElementType(factory);
		for ( int i=0; i< length; i++ ) {
			list.add( elemType.toLoggableString( Array.get(value, i), factory ) );
		}
		return list.toString();
}

 public PersistentCollection wrap(SessionImplementor session,
    Object array) 
{
		return new PersistentArrayHolder(session, array);
}