[rules-users] Declaring an entry-point? (drools 5 M1)

[Kumar, Prasoon (Prasoon)]

Hi Canterburry,
You might want to try the following anonymous links of subversion
instead of the ones, Ed presented below.
 
https://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-compil
er/src/test/java/org/drools/integrationtests/StreamsTest.java
https://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-compil
er/src/test/java/org/drools/integrationtests/CepEspTest.java
 
Prasoon Kumar 
Technical Architect   |   Event Processor, Avaya     |   Tower 11, 5
Floor , Cybercity, Pune 4110028 -India |

________________________________

	From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Edson Tirelli
	Sent: Tuesday, September 02, 2008 5:47 AM
	To: Rules Users List
	Subject: Re: [rules-users] Declaring an entry-point? (drools 5
M1)
	
	

	   Hello,
	
	   It seems you did everything correctly. It seems there is a
parser bug with the "" around the name of the entry point. For now, just
remove the " ", since your entry point is a single word. I will make
sure it gets fixed asap.
	   
	   Also, a few more unit/integration tests you may want to look
at:
	
	
https://svn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-compiler/s
rc/test/java/org/drools/integrationtests/StreamsTest.java
	
https://svn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-compiler/s
rc/test/java/org/drools/integrationtests/CepEspTest.java
	
	  So, you are right to think that fact types are not tied to the
streams... just write "from entry-point" after any pattern to declare
what entry point that fact is coming from. Also, you can assert regular
facts to entry-points. Entry-points are a general abstraction, whose
probably the most known use case is for streams mapping, but not the
only one.
	
	   []s
	   Edson
	
	
	2008/9/1 H. Canterburry <canterburry at gmail.com>
	

		Hey, I am playing around with the new CEP features in 5
M1 and primarily working off of the blog posts and API doc. I have some
patterns that pull from a stream: 
		$candle : Candle( $instrument :  instrumentSpecification
) from entry-point "candles"
		I have my entry point in the WM: 
		candlesEntryPoint =
this.session.getWorkingMemoryEntryPoint("candles");
		I have also defined Candle to be an event in my
rule.package file: 
		import org.test.Candle
		
		declare Candle
			@role(event)
		end
		When I execute my sesson/getWorkingMemoryEntryPoint code
above, I get a null back for the entry point and thus can't insert the
event (Candle). The API docs for the getWorkingMemoryEntryPoint state
that I need to define an entry point in the rules file? Is that the
above part in the rule.package part or is that some other declaration?
If that is a different declaration, is there some documentation what
that would look like? The way I currently interpret the declare part is
that I am designating my Candle object to be an event rather than a
fact. Does that indirectly also declare an entry point? If so, how can I
have heterogeneous streams with different object types? Thanks HC 
		
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	-- 
	Edson Tirelli
	JBoss Drools Core Development
	JBoss, a division of Red Hat @ www.jboss.com
	

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