Hi Srinath,

On Fri, Oct 11, 2013 at 10:21 AM, Srinath Perera <[email protected]> wrote:

> Hi Nirmal,
>
> I think we create an Siddhi engine per execution plan
>
> But incoming and outgoing streams are shared. If you send an event to a
> stream from outside, all execution plans that use the same stream receives
> the event.
>

My understanding is by aliasing a stream, my execution plan would get a new
stream not a reference. Am I wrong?


> Srinath
>
>
> On Fri, Oct 11, 2013 at 10:02 AM, Nirmal Fernando <[email protected]> wrote:
>
>> I know this is a somewhat serious claim and I'll be more than happy, if
>> someone can prove me wrong :)
>>
>>
>> On Fri, Oct 11, 2013 at 9:52 AM, Nirmal Fernando <[email protected]> wrote:
>>
>>> Hi All,
>>>
>>> I expected them to be mutually exclusive in the sense one change done by
>>> one execution plan, should not affect any other execution plan (If they are
>>> not intentionally doing that - eg: acting based on a stream, updated by one
>>> execution plan is an example for intentionally having some correlation).
>>>
>>> In my scenario, I have two execution plans and both are using the same
>>> input stream with different aliases (eg: inputstream as A and inputStream
>>> as B). In one of my execution plans, I've added some data that is not
>>> compliance with original input stream definition (add a double instead of
>>> int) and I happened to see that my other execution plan get triggered and
>>> started to parse this malformed stream and failed (query has avg operation,
>>> and since AvgOutputAggregator is expecting an integer but receiving a
>>> double).
>>>
>>>
>>> --
>>>
>>> Thanks & regards,
>>> Nirmal
>>>
>>> Senior Software Engineer- Platform Technologies Team, WSO2 Inc.
>>> Mobile: +94715779733
>>> Blog: http://nirmalfdo.blogspot.com/
>>>
>>>
>>
>>
>> --
>>
>> Thanks & regards,
>> Nirmal
>>
>> Senior Software Engineer- Platform Technologies Team, WSO2 Inc.
>> Mobile: +94715779733
>> Blog: http://nirmalfdo.blogspot.com/
>>
>>
>
>
> --
> ============================
> Srinath Perera, Ph.D.
>   Director, Research, WSO2 Inc.
>   Visiting Faculty, University of Moratuwa
>   Member, Apache Software Foundation
>   Research Scientist, Lanka Software Foundation
>   Blog: http://srinathsview.blogspot.com/
>   Photos: http://www.flickr.com/photos/hemapani/
>    Phone: 0772360902
>



-- 

Thanks & regards,
Nirmal

Senior Software Engineer- Platform Technologies Team, WSO2 Inc.
Mobile: +94715779733
Blog: http://nirmalfdo.blogspot.com/
_______________________________________________
Dev mailing list
[email protected]
http://wso2.org/cgi-bin/mailman/listinfo/dev

Reply via email to