Hi Srinath,

I think we got the term "ordering" confused here :) .. I wasn't really
talking about temporal ordering of the events there (I think we can ignore
that for the initial version of search) .. I was mentioning how we properly
give the ordering of the conditions there .. as in the "and", "or"
operators .. like we can say "A and B or C", where by usual operator
precedence it'll be (A and B) or C .. but we may also want to give
something like "A and (B or C)" .. I was just mentioning the syntax we will
need to show the mentioned behavior, we can't do it in a simple way in an
UI.

Cheers,
Anjana.


On Thu, Jul 25, 2013 at 5:27 PM, Srinath Perera <[email protected]> wrote:

> Hi Anjana,
>
> For example, stream1.prop1="1" -> stream2.prop1="1" to show the ordering
> (note the arrow).
>
> Actually, this is the CEP event pattern format (
> http://wso2.com/library/articles/2013/06/understanding-siddhi-powers-wso2-cep-2x,
> see sequence).
> IMHO, if we need to show temporal ordering, CEP has the format. May be
> there is room to improve, but in which case we fix both.
>
> Sinthuja, the model we give to end users is EventStreams. IMHO, it is best
> to let him search thinking event steam instead of row Cassandra.
>
> --Srinath
>
>
>
>
>
> On Thu, Jul 25, 2013 at 4:30 PM, Anjana Fernando <[email protected]> wrote:
>
>> Hi,
>>
>> In the search, the part where we give the conditions, this approach
>> doesn't handle the ordering of the conditions, like (stream1.prop1="1" or
>> stream2.prop2="2") and (stream1.prop3="3") kind of a scenario. So how about
>> having a simple search query format instead and just give a search text
>> field to do the queries? .. I guess we can use a format like the one I just
>> mentioned for the earlier example.
>>
>> Cheers,
>> Anjana.
>>
>>
>> On Thu, Jul 25, 2013 at 4:03 PM, Srinath Perera <[email protected]> wrote:
>>
>>> 1) For Event search, user need to pick an stream, then he can search.
>>> Given we have activity search I think that would do.
>>>
>>> 2) For activity search, this only handle a small subset. One activity
>>> might have events from many streams. We define property search to match if
>>> at least one event in an activity matches the given condition (e.g.
>>> property). If user need more complex ones (e.g. temporal conditions) they
>>> should define and KPI.
>>>
>>> --Srinath
>>>
>>>
>>> On Thu, Jul 25, 2013 at 3:54 PM, Inosh Goonewardena <[email protected]>wrote:
>>>
>>>> Hi,
>>>>
>>>> We had a few discussion sessions with Srinath about BAM events search
>>>> and activity search.
>>>>
>>>> Herewith I have attached mock up screens on how the search UIs will be
>>>> like. Any feedback is appreciated.
>>>>
>>>> --
>>>> Regards,
>>>>
>>>> Inosh Goonewardena
>>>> Associate Technical Lead- WSO2 Inc.
>>>> Mobile: +94779966317
>>>>
>>>
>>>
>>>
>>> --
>>> ============================
>>> Srinath Perera, Ph.D.
>>>    http://people.apache.org/~hemapani/
>>>    http://srinathsview.blogspot.com/
>>>
>>
>>
>>
>> --
>> *Anjana Fernando*
>> Technical Lead
>>  WSO2 Inc. | http://wso2.com
>> lean . enterprise . middleware
>>
>
>
>
> --
> ============================
> 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
>



-- 
*Anjana Fernando*
Technical Lead
WSO2 Inc. | http://wso2.com
lean . enterprise . middleware
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