Re: [abc-users] probability

So you are asking how to generate random numbers at runtime?

Simply insert a call to...

http://java.sun.com/j2se/1.4.2/docs/api/java/util/Random.html

Hope that helps

2009/4/4 Amjad Nusayr <anusayr_at_cs.nmsu.edu>:
> I thought I knew how to generate random numbers at runtime. BUT I dont. How
> can make my aspect (or my extension) generate random numbers every time I
> run my code. I created a probability PC but generates random numbers at
> compile time. This does not what I wanted cause it means I'm executes the
> same sites over and over again.
>
> Amjad
>
> Eric Bodden wrote:
>>
>> Still, you should probably try this first and then you can still
>> change it later if required.
>>
>> When you generate random numbers at runtime, then all you need to do
>> is create a dynamic residue that returns the result of a call to some
>> function "shouldExecute()". This function should return a random
>> boolean.
>>
>> Eric
>>
>> 2009/3/31 Amjad Nusayr <anusayr_at_cs.nmsu.edu>:
>>
>>>
>>> I thought of that, but that means more overhead time at runtime. Thats
>>> why I
>>> wanted to generate the trace when compiling.
>>>
>>> Amjad
>>>
>>>
>>> Eric Bodden wrote:
>>>
>>>>
>>>> Hi Amjad. Why don't you compute the random number at runtime? That
>>>> would be way easier than storing it in a trace. Would that work for
>>>> you?
>>>>
>>>> Eric
>>>>
>>>> 2009/3/31 Amjad Nusayr <anusayr_at_cs.nmsu.edu>:
>>>>
>>>>
>>>>>
>>>>> Hello
>>>>> I want to design a PC called probability(p) i n which advice is woven
>>>>> at
>>>>> each joinpoint but is executed only with P probability. My main concern
>>>>> here
>>>>> is that a dynamic check is needed to create this action. To check the
>>>>> probability I want to pre-compute a "trace" of random numbers, then
>>>>> just
>>>>> pull the next unused number out of the trace. There are two things I
>>>>> need
>>>>> to
>>>>> ask of. First, How can I create this dynamic check? Second. How can I
>>>>> get
>>>>> the trace of random numbers to be a part of my generated code?
>>>>>
>>>>> Thanks
>>>>> Amjad
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>>
>>
>
>
>

-- 
Eric Bodden
Sable Research Group, McGill University
Montréal, Québec, Canada