On Aug 13, 2008, at 8:16 PM, Lachlan Deck wrote:

On 14/08/2008, at 12:25 PM, Dov Rosenberg wrote:

In our case we create a new EC because we use a SharedEC for read only data.

Is the shared ec locked for reading or writing?

When we need to modify an object we create a new EC and set the reference to the SharedEC to null and rely on the Object Store Coordinator to notify the SharedEC when the change is committed. We need objects from the SharedEC so
we use LocalInstance to get one.

Yep.

We have fixed other similar issues by just refetching the objects
into a new EditingContext instead of using localInstance.

I would expect that to be far, far slower.

Have you tried just faulting from the global ids of the objects?


Which is exactly what localInstance does:

public static EOEnterpriseObject localInstanceOfObject(EOEditingContext ec, EOEnterpriseObject object) {
        // Edited for clarity
EOGlobalID globalID = object.editingContext().globalIDForObject(object);
        return ec.faultForGlobalID(globalID, ec);
}


--
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects






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