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From sebbASF <>
Subject [GitHub] commons-lang issue #231: Evaluate Architecure
Date Thu, 09 Mar 2017 10:27:51 GMT
Github user sebbASF commented on the issue:
    If the code is not going to allow updates, then there is no need to use ConcurrentHashMap.
    If updates are allowed at run-time, there is the possibility that different results will
be obtained at different times.
    Alternatively, it's potentially possible to allow updates before first use of the data,
but disallow them later.
    This is the approach taken in Commons Validator
    This uses a flag to allow initial updates.
    Users have to get an instance before using the class; this resets the flag to stop further

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