'''Intent:''' Provide a mechanism to temporarily make some aspect of an object unmodifiable or to suppress unneeded update notifications. 

http://www.castle-cadenza.demon.co.uk/lock.htm

'''Related Patterns:''' ReadWriteLock, ObserverPattern, SchedulerPattern

See also: LockAdapter
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''What about when I need to deny readers read-access to an object while it is in an inconsistent state ( a writer is in the middle of making modifications) ? Should LockPattern be extended to cover that as well, or is there a different pattern name I should use for that ? -- DavidCary''

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CategoryPattern | CategoryBehavioralPatterns