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Caching Behavior for @ReadOnly Entities? [message #517594]

Mon, 01 March 2010 08:14

No real name
Messages: 2
Registered: March 2010

Junior Member

Hey folks,

I've got a number of entities tagged as @ReadOnly, and I can't seem to
control when they refresh their state from the database, either manually or
through cache configuration. My ideal would be one of these two options:

1) Configure the cache so the state of a @ReadOnly entity is preserved for
the duration of a single UnitOfWork.
2) Be able to manually refresh the state of a @ReadOnly entity.

I've tried various ways to accomplish #1 (Even setting CacheType to NONE as
an experiment) and EclipseLink doesn't seem to care. The documentation is
sparse on the intersection of @Cache and @ReadOnly, though, so hopefully I'm
just missing something.

There isn't an obvious way to get at #2 either. @ReadOnly entities are
detached, so calling EntityManager.refresh() just causes an exception.

Anybody have any advice for me?

Thanks,
Ryan

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[Message index]

		Caching Behavior for @ReadOnly Entities? By: No real name on Mon, 01 March 2010 08:14
		Re: Caching Behavior for @ReadOnly Entities? By: James Sutherland on Tue, 02 March 2010 15:43
		Re: Caching Behavior for @ReadOnly Entities? By: No real name on Tue, 02 March 2010 15:56

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