On 2002.12.27 04:58:08 -0500 Hiram Chirino wrote:
> David,
> 
> Is a ThreadLocal lookup more expensive than a hashmap lookup??

I don't know, I thought I read that it was considerably slower, but I've
never tested.

david
> 
> Regards,
> Hiram
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of David
> Jencks
> Sent: Tuesday, November 26, 2002 8:23 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [JBoss-dev] 3 Transactions?
> 
> 
> On 2002.11.26 22:26:30 -0500 Dain Sundstrom wrote:
> > OK we have a transaction associated with the thread, each invocation 
> > and the each context has a transaction (very confusing).  Once we get 
> > by the tx interceptor should all of these be the same thing? 
> yes (at least the thread and invocation, I don't know about the context,
> isn't that a UserTx, which is almost completely unrelated?)
> 
>  If we are 
> > suspending the transaction for the invocation (Not Supported) should 
> > the ctx and invocation tx be null or just a suspended transaction?
> 
> 
> Invocation should have null.  You shouldn't be able to tell if there was
> a
> tx associated "upstream".
> 
> IMO the invocation is the "master" and the threadlocal is there in case
> you
> can't get to the invocation (such as in the jca stuff).  So the tx
> interceptor needs to figure out what the current tx actually is, and make
> sure the txManager knows it so it can supply it per thread.
> 
> david jencks
> > 
> > -dain
> > 
> > 
> > 
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