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Posted to user@commons.apache.org by tm...@nitwit.de on 2005/02/13 14:26:57 UTC
FastMultiHashMap, BidiMultiHashMap
Hi!
This probably rather belongs to the developer's mailing list but is there any
particular reason why there is no FastMultiHashMap and BidiMultiHashMap?
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Re: FastMultiHashMap, BidiMultiHashMap
Posted by tm...@nitwit.de.
On Sunday 13 February 2005 15:40, Stephen Colebourne wrote:
> because writing Bidi maps is fiendishly complicated, and there are many
What fiendishly complicated about them? They simply consist of two HashMaps.
> other possible bidi maps that _coul_ be created (thus only the simple basic
> ones are provided)
Bidi map should be created in a plugable manner (decorator, ...). BTW You
cannot apply type-safe decorator to MultiMap.
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Re: FastMultiHashMap, BidiMultiHashMap
Posted by Stephen Colebourne <sc...@btopenworld.com>.
From: <tm...@nitwit.de>
> This probably rather belongs to the developer's mailing list but is there
> any
> particular reason why there is no FastMultiHashMap
because the Fast* classes are in general thought to be of dubious value due
to the double checked locking problem, see comments in the class
> and no BidiMultiHashMap?
because writing Bidi maps is fiendishly complicated, and there are many
other possible bidi maps that _coul_ be created (thus only the simple basic
ones are provided)
Stephen
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