Dali defines an extension of the WTP validation extension point
org.eclipse.wst.validation.validatorV2.
What is the appropriate thing for that validator to do when it is
executed /after
/Dali plug-ins have been stopped and there is no way to perform the
validation?
To be more specific: We encounter a race condition during workbench
shutdown.
If the user shuts down the workbench with unsaved files, s/he will be
prompted to
save the unsaved files. If the user clicks OK and the files are saved
and the files are
relevant to Dali, the WTP validation job will be scheduled. In the
meantime, the
workbench begins its shutdown process, eventually calling the stop(...)
method on
the Dali bundle activator. Here is the race:
- If the WTP validation job executes the Dali validator /before/ is our
bundle
is stopped, things are OK - the bundle will wait for the Dali validator
to finish
its work before it stops.
- If the WTP validation job executes the Dali validator /after/ is our
bundle
is stopped, the Dali validator has no way perform its validation as all
the necessary
state has been removed from the various stopped plug-ins.
What should the validator do in the second situation? Should the Dali
plug-ins wait
for any outstanding WTP validation jobs to complete before stopping? Is
there a
way to force the Dali validation to be re-executed during the following
workbench
start-up? Etc....
Thanks.
Brian
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