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Date: Wed, 4 Jun 2008 09:47:06 +0800
From: "Sean Qiu" <sean.xx.qiu@gmail.com>
To: dev@harmony.apache.org
Subject: Re: [classlib][luni] Complement the Missing TimeZone IDs
In-Reply-To: <c8963150806030414y7b640839k5ca94dac1cf3cb31@mail.gmail.com>
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References: <c8963150806030414y7b640839k5ca94dac1cf3cb31@mail.gmail.com>

+1 lazy initialization.

2008/6/3 Jim Yu <junjie0122@gmail.com>:
> Hi all,
>
> If we run a simple comparison of RI's  time zone IDs with Harmony's, we will
> find there are quite a few in the same category.
> I suggest that we need to complement the missing TimeZone IDs. Two solutions
> in my mind:
>
> [1] We load the TimeZone IDs into available zones cache via ICU completely
> and don't use the available zones initialized by TimeZones
> any more. But for this solution, many testcase will fail since they based on
> the behavior of those TimeZone instances initialized by
> TimeZones. So we need to check each failure testcase and identify which
> behavior is more reasonable, instances of TimeZones or
>  those of ICU?
>
> [2] We just do a small trick. When there is a missing TimeZone ID
> which exists in ICU, we add it into available zones cache in TimeZone.
> So it will be found from now on. For this solution, almost all the testcase
> will succeed since instances of TimeZones are still working.
>
> I think [2] is a simple fix, although [1] is also reasonable since we can
> totally delegate to ICU. Personally I'd go with [2].
>
> --
> Best Regards,
> Jim, Jun Jie Yu
>
> China Software Development Lab, IBM
>


-- 
Best Regards
Sean, Xiao Xia Qiu

China Software Development Lab, IBM