var productsInOrderIterator : Iterator = parentOrder.getProductLineItems().iterator();
    var productLineMap: HashMap = new HashMap();
 
     while(!empty(productsInOrderIterator) && productsInOrderIterator.hasNext()) {
        var productLineItem : ProductLineItem = productsInOrderIterator.next();
 
		var wareHouseID : String = productLineItem.product.custom.warehouseID ;
		if (!productLineMap.containsKey(wareHouseID))
		{
			var arrayList = new ArrayList();
			arrayList.push(productLineItem);
			productLineMap.put(wareHouseID, arrayList);
		} else{
			var arrayList = productLineMap.get(wareHouseID);
			arrayList.push(productLineItem);
			productLineMap.put(wareHouseID, arrayList);
		}
 
 
     }// end loop