Fast reflection on compact framework

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3.00/5 (1 vote)

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C#

.NETCF

Anyone done fast reflection on compact framework?

Posted 6-Jun-11 0:35am

Mehdi Gholam

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Sergey Alexandrovich Kryukov 6-Jun-11 16:17pm

You need to show your reflecting code and explain your ultimate goal. Perhaps in this case some optimization can be made.
--SA

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Andrew Rissing · Accepted Answer · 2011-06-06T03:57:00

Solution 1

Caching is really your best bet to achieve 'fast' reflection on the compact framework.

Posted 6-Jun-11 3:57am

Andrew Rissing

Comments

Mehdi Gholam 6-Jun-11 10:01am

Caching is not really applicable I'm afraid. I want dynamic access to properties for fastJSON on netcf.

Sergey Alexandrovich Kryukov 6-Jun-11 16:24pm

It is perfectly applicable and is a right way to improve things (maybe the only one).
Please see my explanation, ask a question if you need more detail.
--SA

Sergey Alexandrovich Kryukov 6-Jun-11 16:23pm

I agree with you, but OP is confused. Your answer needs explanation of what you mean by caching. My 5, but...
Please see my explanation.
--SA

Andrew Rissing 7-Jun-11 9:22am

Sometimes when people pose such broad questions without details, I just get it in me to reply in like with my answers. ;-)

Sergey Alexandrovich Kryukov · Accepted Answer · 2011-06-06T10:22:00

Solution 2

There are several tricks to improve reflection. They are based on the fact that reflection methods are slower than some other and can be considered as caching: you create redundant meta-data which holds already reflected members, to avoid repeated calls to reflection methods. In ideal case, only invocation methods are calls are repeated (in case of JSON serialization, after all, it is unavoidable: eventually you need to create instances).

—SA

Posted 6-Jun-11 10:22am

Sergey Alexandrovich Kryukov

Updated 6-Jun-11 10:23am

v2

Comments

Mehdi Gholam 6-Jun-11 22:16pm

Thanks man, what it boils down to is the fact that netcf has no support for emit, which I am currently using (incidentally silverlight 4 has added this which was great). I tried mono Cecil but can't get it to work. Maybe Cecil is my best bet and I need to work on it more.