From: Craig L Russell <Craig.Russell_at_Sun.COM>
Date: Wed, 08 Nov 2006 10:28:23 -0800

You might find better performance doing a "delete by query", if

1. you can formulate the logic into a query
2. you can do the delete as the last or only part of a transaction.

Craig

On Nov 8, 2006, at 10:07 AM, Greg Ederer wrote:

> Hi,
>
> I have a method that removes a persistent object from a collection
> based on a property of the object being removed, like so:
>
> /**
> * Removes all ShoppingCartItems containing this
> * offering
> */
> public void removeItem(Offering offering)
> {
> List<ShoppingCartItem> iList = new ArrayList<ShoppingCartItem>
> (getItems());
> for(ShoppingCartItem i : iList)
> {
> if(i.getOffering().equals(offering))
> {
> getItems().remove(i);
> }
> }
> }
>
> Is this the best way to do this?
>
> Cheers,
>
> Greg
>
> p.s.: I'm so glad I found this list. I feel like I've been groping
> in the dark with JPA. Thanks for all the help! --G
> --
> | E R G O N O S I S
> | Greg Ederer
> | Lead Developer
> | greg_at_ergonosis.com
> | 360.379.1157
> |
> | OpenDocument - OK
> |
>

Craig Russell
Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
408 276-5638 mailto:Craig.Russell_at_sun.com
P.S. A good JDO? O, Gasp!