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shared variable

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madi

Posted: Tue Jan 30, 2007 2:30 pm Post subject: shared variable

Chevalier

Joined: 17 Jan 2006
Posts: 475

Hi All

is there a variable in WMBv6 that can be accessed anywhere in the flow but just that instance of the flow and not shared between all the instances

i mean i want a variable to store something but it has to clear itself after that message is processed or that thread dies

shared variable is an option but its life in the life of the exec grp or the flow itself

any other options??

thanks
madi

jefflowrey

Posted: Tue Jan 30, 2007 2:33 pm Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

Umm.

Everything in Environment has exactly that lifespan.
_________________
I am *not* the model of the modern major general.

madi

Posted: Tue Jan 30, 2007 2:53 pm Post subject:

Chevalier

Joined: 17 Jan 2006
Posts: 475

Umm ... i cannot use env coz i have timeout notification and so will loose env

i meant anything other than the obvious

--madi

jefflowrey

Posted: Tue Jan 30, 2007 2:57 pm Post subject:

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

You can scope shared variables down to the Node level.

You can use a Java Singleton. With proper use of protected accessors, you can ensure that only java code in your flow can access the Singleton.
_________________
I am *not* the model of the modern major general.

madi

Posted: Tue Jan 30, 2007 3:06 pm Post subject:

Chevalier

Joined: 17 Jan 2006
Posts: 475

jefflowrey wrote:

You can scope shared variables down to the Node level.

from message broker help online

Quote:

Long lifetime variables
Node Shared Node Life of node All threads of flow
Flow Shared Flow Life of flow All threads of flow

node shared also says it is accesseble to all threads??

thanks jeff

madi

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