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From Jason Letourneau <jletournea...@gmail.com>
Subject Re: Streams Subscriptions
Date Sat, 02 Feb 2013 22:39:58 GMT
Really great stuff - i will make sure filtering is componentized enough for this scenario in
my next commit - and start being good about jira tracking ;)

Sent from my iPhone

On Feb 1, 2013, at 5:22 PM, Craig McClanahan <craigmcc@gmail.com> wrote:

> On Fri, Feb 1, 2013 at 1:23 PM, Steve Blackmon [W2O Digital] <
> sblackmon@w2odigital.com> wrote:
> 
>> One nice thing lucene offer is support for nested conditional logic right
>> in the query - so subscribers can request very complicated filters with a
>> single filter tag in the json request.  Lucene is also the basis for
>> querying elastic search, and some of the largest data providers such as
>> Sysomos/Marketwire - within W2O we have a large library of lucene queries
>> and it would be great to use those with minimal modification to configure
>> streams.
>> 
>> Lucene syntax makes sense to me ... I'd rather work on the more
> "interesting" problems than designing a filter syntax :-).
> 
> 
>> But this brings up a wider topic regarding adoption - many users will be
>> migrating or integrating solutions where they filter based on lucene, or
>> solr, or ham crest, or regex, etcŠ  So a plug-in architecture that would
>> let users who can compile java embed whatever filtering logic works best
>> for them into streams, without having to commit to master would be
>> advisable.  Bonus points if those plugins can bring their own class path
>> via osgi or similar approach.
>> 
>> So, a "filter" would become just a set of Lucene (by default) search
> expressions as strings, with pluggability for how the strings actually get
> interpreted?  I like it.
> 
> 
>> Steve Blackmon
>> Director, Data Sciences
>> 
>> 101 W. 6th Street
>> Austin, Texas 78701
>> cell 512.965.0451 | work 512.402.6366
>> twitter @steveblackmon
>> 
>> Craig

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