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Re: Re: Random?
2005-05-02 06:42:15
with generate-id() , I have the same "id" at witch call,
The use of generate-id() is here :
...
<sentence>
<xsl:attribute name="stamp">
<xsl:value-of select="generate-id()"/>
</xsl:attribute>
<xsl:attribute name="state">nonDesamb</xsl:attribute>
<xsl:value-of select="concat($arg1/sentence[last()], $arg2)"/>
</sentence>
...
the result is:
...
<sentence stamp="id108131" state="nonDesamb">111 111 111</sentence>
<sentence stamp="id108131" state="nonDesamb"> 222 222</sentence>
<sentence stamp="id108131" state="nonDesamb"> 333 333 333</sentence>
<sentence stamp="id108131" state="nonDesamb"> 444 444 444</sentence>
<sentence stamp="id108131" state="nonDesamb">555 555 555</sentence>
<sentence stamp="id108131" state="nonDesamb"> 666 666 666</sentence>
<sentence stamp="id108131" state="nonDesamb"> 777 777 777</sentence>
<sentence stamp="id108131" state="nonDesamb"> 888 888 888, 999 999</sentence>
...
I have 8 call to generate-id() (8 sentences) witch are equal.
you think I am doing an error?
I will try the last solution gave me Dimitre.
Thanks for your help.
Quoting Ramkumar Menon <ramkumar(_dot_)menon(_at_)gmail(_dot_)com>:
Not sure if I got your question right - but yes, generate-id() is a
valid XSLT 2.0 Function. if you pass in a node to it, it generates an
id unique for that node.
so it you pass generate-id(<a sentence node>), it wd generate a unique
id for each "sentence" node.
On 5/2/05, Ali Choumane <ali(_dot_)choumane(_at_)imag(_dot_)fr> wrote:
If we can use a function like generate-id()... that solve my problem.
because
that we are trying to do with Dimitre has as goal to generate unique
values
for the value of stamp,... but manualy...
a function as generate-id() exist ??
Quoting Ramkumar Menon <ramkumar(_dot_)menon(_at_)gmail(_dot_)com>:
I had a question on this. Can't we use a function like generate-id()
on each "sentence" node in the target to generate unique values for
the value of stamp ?
Just curious....
rgds,
Menon
On 5/2/05, Dimitre Novatchev <dnovatchev(_at_)gmail(_dot_)com> wrote:
Hi Ali,
On 5/2/05, Ali Choumane <ali(_dot_)choumane(_at_)imag(_dot_)fr> wrote:
Hi Dimitre,
first, thanks for your help,
second,
I am using the seconds part of the current time -- as the value of
the
pSeed
parameter (by using the library of exslt).
But the problem is : I am calling the function randomSequence
several
times
per second ,so I have the same value of the parameter pSeed to the
randomSequence.
I want to use the third part of the current time (milliseconds) ???
its
possible?? I can't find anything!
It seems that you are generating a lot of sequences of random numbers
-- with what length?
I would suggest two ways around the problem:
1. Generate only one (but sufficiently long) sequence of randoms,
then use its subsequences as needed.
2. In case you'd need N sequences of random numbers, then generate
a sequence of N random numbers and use these as the seeds to generate
the corresponding N sequences.
Cheers,
Dimitre Novatchev.
Quoting Dimitre Novatchev <dnovatchev(_at_)gmail(_dot_)com>:
Hi Ali,
On 4/29/05, Ali Choumane <ali(_dot_)choumane(_at_)imag(_dot_)fr>
wrote:
Hi Dimitre,
I am using the template "randNext" in random.xsl :
...
<sentence>
<xsl:attribute name="stamp">
<xsl:call-template name="randNext">
<xsl:with-param name="arg1" select="1"/>
</xsl:call-template>
</xsl:attribute>
<xsl:attribute name="state">nonDesamb</xsl:attribute>
<xsl:value-of select="concat($arg1/sentence[last()], $arg2)"/>
</sentence>
...
and this is a part of result of transformation:
...
<sentence stamp="39022" state="nonDesamb">111 111
111</sentence>
<sentence stamp="39022" state="nonDesamb"> 222 222</sentence>
<sentence stamp="39022" state="nonDesamb"> 333 333
333</sentence>
<sentence stamp="39022" state="nonDesamb"> 444 444
444</sentence>
<sentence/>
<sentence stamp="39022" state="nonDesamb">555 555
555</sentence>
<sentence stamp="39022" state="nonDesamb"> 666 666
666</sentence>
<sentence stamp="39022" state="nonDesamb"> 777 777
777</sentence>
<sentence stamp="39022" state="nonDesamb"> 888 888 888, 999
999999</sentence>
...
As the result show, "stamp" it's not a key now. I think because
"arg1" is
fixed.
and I am using the template "randomSequence" in random.xsl, but
it
can't
resolve the problem.
randomSequence produces a sequence of (the pLength parameter) N
numbers. If the seed (the pSeed parameter) is the same on two
invocations of randomSequence, the two produced sequences are, of
course, the same.
I think , if I put a variable value of "arg1" , can resolve the
problem?
In order to achieve truly "random" results, the transformation has
to
use some non-fixed number, such as the seconds part of the current
time -- and this can be passed as a parameter to the transformation
by
the external code that invokes it.
Then this number can be used as a seed -- to be passed as the value
of
the pSeed parameter.
But how, when we can't change the value of variables in XSLT?
We can't and actually we don't need to.
Cheers,
Dimitre novatchev.
Ali CHOUMANE
M2R III ,Univ Joseph fourrier, UFR IMA
WAM/INRIA & GETA/CLIPS
portable. 06 71 55 80 65
Bureau(INRIA). 04 76 61 54 13
Email. ali(_dot_)choumane(_at_)imag(_dot_)fr
-------------------------------------------------
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Ali CHOUMANE
M2R III ,Univ Joseph fourrier, UFR IMA
WAM/INRIA & GETA/CLIPS
portable. 06 71 55 80 65
Bureau(INRIA). 04 76 61 54 13
Email. ali(_dot_)choumane(_at_)imag(_dot_)fr
-------------------------------------------------
envoyé via Webmail/IMAG !
--
Shift to the left, shift to the right!
Pop up, push down, byte, byte, byte!
-Ramkumar Menon
A typical Macroprocessor
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Ali CHOUMANE
M2R III ,Univ Joseph fourrier, UFR IMA
WAM/INRIA & GETA/CLIPS
portable. 06 71 55 80 65
Bureau(INRIA). 04 76 61 54 13
Email. ali(_dot_)choumane(_at_)imag(_dot_)fr
-------------------------------------------------
envoyé via Webmail/IMAG !
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