2.x: platform-aware purge/removeOnCancelPolicy management. #3460
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This PR adds the
SchedulerPoolHelper
class which manages creatingScheduledExecutorService
s for the standard schedulers and wires themup to work properly with JDK 6
purge
or JDK 7removeOnCancelPolicy
,depending on if the platform supports it or not.
Since the 2.0 is aimed at desktop and will be automatically backported
to JDK 6 level, the desktop (JDK 8) test have to verify both modes.