I'm thinking wanting data to be global is a rare thing - after all,
we're simulating independent users most of the time, right? I would
think wanting to write data to global is a highly specific thing that
only a smallish number of components would do.
If I'm wrong, maybe a naming convention or a new syntax could be created
(ie %{} instead of ${} to retrieve and something for setting). I'd
prefer it if we could conclude this would be overkill though :-)
-Mike
On Wed, 2005-04-27 at 22:59 +0100, sebb wrote:
> Mostly agreed.
>
> But how would components know whether or not to store data globally?
>
> One way would be a naming convention (*).
> Otherwise, it seems to me that every component that might want to
> write global data would need to be extended to allow its "global" flag
> to be set.
>
> (*) This could be implicit - e.g. all variables starting with G_ are
> global - or explicit - e.g. one can define a list of global names in a
> property or a new test element listing all the global names.
>
> S.
> On 4/27/05, Michael Stover <[EMAIL PROTECTED]> wrote:
> > It'll have to be synchronized no matter what. Probably don't want to
> > extend JMeterVariables for that reason. I would say, make writing to it
> > a custom thing - ie, if a component wants data put to global level, it
> > can write it there, or instruct JMeter context to copy it there. For
> > reading, I"d say read the local variable first, if not there, look at
> > global, as default behavior.
> >
> > -Mike
> >
> > On Wed, 2005-04-27 at 22:04 +0100, sebb wrote:
> > > OK.
> > >
> > > Do all variables get written to this?
> > > Might be expensive (access will have to be synchronized).
> > > If not, how are the variables chosen?
> > > Naming convention perhaps?
> > > Otherwise a new syntax might be needed.
> > >
> > > S.
> > > On 4/27/05, Michael Stover <[EMAIL PROTECTED]> wrote:
> > > > So why don't we just slap another JMeterVariables object in the
> > > > JMeterContextService class that can act as a holder for global
> > > > variables? Each context has a getVariables method that retrieves the
> > > > variable holder for each thread, let's make a global one too.
> > > >
> > > > -Mike
> > > >
> > > > On Wed, 2005-04-27 at 14:18 +0100, sebb wrote:
> > > > > Variables are local to a thread.
> > > > >
> > > > > Properties are global to JMeter; they can easily be read using the
> > > > > various property functions.
> > > > >
> > > > > However, at present the only way to set them is to use BeanShell, but
> > > > > it would not be difficult to enhance JMeter to add a function or some
> > > > > other test element to set a property from a variable.
> > > > >
> > > > > S.
> > > > > On 4/27/05, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> > > > > > Hello,
> > > > > >
> > > > > > I recall a similar issue (relating to thread synchronisation) that
> > > > > > was
> > > > > > discussed recently but I can't for the life of me find the e-mails,
> > > > > > so
> > > > > > please forgive me if this is rehashing something that's already been
> > > > > > addressed.
> > > > > >
> > > > > > Here is what I am trying to accomplish in JMeter: I want to have two
> > > > > > thread groups. One thread group would contain a given testplan and
> > > > > > the
> > > > > > second would contain another simple testplan that simply loops
> > > > > > through a
> > > > > > couple requests for as long as the first thread group is running.
> > > > > >
> > > > > > My first thought was to declare a user variable that I would use as
> > > > > > the
> > > > > > condition for a Loop Controller in the second thread group. When
> > > > > > the first
> > > > > > thread group finishes, it would set the value of this variable to
> > > > > > false
> > > > > > and the loop in the second thread group would exit. This does not
> > > > > > appear
> > > > > > to work.
> > > > > >
> > > > > > So I guess my question is: is there a way to declare a variable
> > > > > > that is
> > > > > > global to the whole testplan? and moreover, is there a better way
> > > > > > to have
> > > > > > my two thread groups interact in a way that would accomplish what I
> > > > > > am
> > > > > > trying to do?
> > > > > >
> > > > > > Thanks in advance for any insight you might have,
> > > > > > Vincent
> > > > > >
> > > > >
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