Rafal Krzewski wrote:
>
> Hi all.
>
> I wrote some code to assign an unique identifier to the running Turbine
>instance.
> It can be used for prefixing names of files in common temporary directory on a
>server,
> or to identify user's preferences for this particular Turbine application on an LDAP
> sever and possibly many other purproses.
>
> My idea for generating an unique id was taking full servlet URL (schema,
> host, port, context & servlet name) and calculating an MD5 digest of it. The input
> data is unique both on the server and on the network where the application is visible
> from. Of course there's still 1:2^128 probability that there will be an id clash, but
> it's a nincredibly small chance, and the resulting ids are well defined, one-way and
> pretty.
+1 on your patch Rafal. There's another way of generating such unique
IDs, which involves the host IP and MAC address (they're XOR'd or
bitwise AND'd or something), which may be cheaper. I don't know how to
implement this easily from Java code, however. Just an FYI. =)
--
Daniel Rall <[EMAIL PROTECTED]>
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