Hi,
I was just going through how to work with knowledge builder and have some
doubts:
Code sample is as follows:
final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
// this will parse and compile in one step
kbuilder.add(ResourceFactory.newClassPathResource("HelloWorld.drl",
HelloWorldExample.class), ResourceType.DRL);
// Check the builder for errors
if (kbuilder.hasErrors()) {
System.out.println(kbuilder.getErrors().toString());
throw new RuntimeException("Unable to compile \"HelloWorld.drl\".");
}
// get the compiled packages (which are serializable)
final Collection<KnowledgePackage> pkgs = kbuilder.getKnowledgePackages();
// add the packages to a knowledgebase (deploy the knowledge packages).
final KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(pkgs);
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
In the above code: I am manually having to add the .drl file and the classpath
to my kbuilder. So don't I just have to end up listing all the files and adding
it to my knowledge builder?
Is it that each of the files keeps getting added as and when you update the
rule files?
How does the program detect this update?? As I am ending up having to add
everything.
Please guide.
Thank you
M
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of
[email protected]
Sent: Tuesday, June 15, 2010 12:00 PM
To: [email protected]
Subject: rules-users Digest, Vol 43, Issue 75
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Today's Topics:
1. Re: Uploading rules dynamically (Esteban Aliverti)
2. Re: Dynamic rule file uploading (Fnu Mahalakshmi)
----------------------------------------------------------------------
Message: 1
Date: Tue, 15 Jun 2010 12:12:45 -0300
From: Esteban Aliverti <[email protected]>
Subject: Re: [rules-users] Uploading rules dynamically
To: Rules Users List <[email protected]>
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
You can read about Knowledge Agent:
http://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/docs/drools-expert/html_single/index.html#d4e615
Maybe it suits your needs.
2010/6/15 Fnu Mahalakshmi <[email protected]>
> Hi Guys,
>
>
>
> How can I dynamically upload my rules? Can someone point me towards some
> documentation for the same??
>
>
>
> Thank you.
>
>
>
> M
>
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Message: 2
Date: Tue, 15 Jun 2010 11:58:37 -0400
From: Fnu Mahalakshmi <[email protected]>
Subject: Re: [rules-users] Dynamic rule file uploading
To: "'[email protected]'" <[email protected]>
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="us-ascii"
Hi,
Thanks for the quick reply.
But even by using knowledge agent I have to keep specifying each of the files
one by one right? Which ever is contained in my folder with all the rule files?
As I would keep doing:
kbuilder.add( ResourceFactory.newUrlResource( "file://myrules.drl" ),
ResourceType.DRL);
So again I would have to list all my files and pass it to the knowledge agent
which would add the new rule to the existing package( created using package
builder).
Am I going wrong here??
Please help.
Thank you.
M
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of
[email protected]
Sent: Tuesday, June 15, 2010 11:13 AM
To: [email protected]
Subject: rules-users Digest, Vol 43, Issue 74
Send rules-users mailing list submissions to
[email protected]
To subscribe or unsubscribe via the World Wide Web, visit
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or, via email, send a message with subject or body 'help' to
[email protected]
You can reach the person managing the list at
[email protected]
When replying, please edit your Subject line so it is more specific
than "Re: Contents of rules-users digest..."
Today's Topics:
1. Uploading rules dynamically (Fnu Mahalakshmi)
2. Dynamic rule file uploading (Fnu Mahalakshmi)
3. Re: Dynamic rule file uploading (PAYET, Manuel)
----------------------------------------------------------------------
Message: 1
Date: Tue, 15 Jun 2010 10:56:42 -0400
From: Fnu Mahalakshmi <[email protected]>
Subject: [rules-users] Uploading rules dynamically
To: "'[email protected]'" <[email protected]>
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="us-ascii"
Hi Guys,
How can I dynamically upload my rules? Can someone point me towards some
documentation for the same??
Thank you.
M
</pre>
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Message: 2
Date: Tue, 15 Jun 2010 11:06:32 -0400
From: Fnu Mahalakshmi <[email protected]>
Subject: [rules-users] Dynamic rule file uploading
To: "'[email protected]'" <[email protected]>
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="us-ascii"
Hi guys,
I have : {R1.drl,R2.drl,R3.brl}
After conversion and loading I have {R1.drl,R2.drl,R3.brl,R3.drl} files in the
same directory where all my rules are stored.
I am using:
File folder = new File("SRC/MAIN/RULES");
File[] listOfFiles = folder.listFiles();
for listing all the files in my rules directory.
Now is there anyway that I can just hold on to the required files whenever my
rule files are updated rather than having to manually keeping deleting and
updating my rules directory?
Is there a more better way to do it rather than just listing all the files in
the directory??
Thanks,
M
</pre>
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<P><STRONG><font color=green>Please consider the environment before printing
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Note: The information contained in this message and any attachment to it is
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any dissemination, distribution or copying of this communication is strictly
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Message: 3
Date: Tue, 15 Jun 2010 17:12:26 +0200
From: "PAYET, Manuel" <[email protected]>
Subject: Re: [rules-users] Dynamic rule file uploading
To: Rules Users List <[email protected]>
Message-ID:
<5104f06b63e3164faeb2f42b920311654ccca...@corpmail05.corp.capgemini.com>
Content-Type: text/plain; charset="iso-8859-1"
you'd probably be interested by
https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/javadocs/stable/drools-api/org/drools/builder/KnowledgeBuilder.html
and more particularly the knowledgeAgent, below is a copy/paste of a part of
the link above
<change-set xmlns='http://drools.org/drools-5.0/change-set'
xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'
xs:schemaLocation='drools-change-set-5.0.xsd' >
<add>
<resource source='http:org/domain/myrules.drl' type='DRL' />
<resource source='classpath:data/IntegrationExampleTest.xls'
type="DTABLE">
<decisiontable-conf input-type="XLS" worksheet-name="Tables_2" />
</resource>
<resource source='file:org/drools/decisiontable/myflow.drf' type='DRF' />
</add>
</change-set>
KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent( "test agent",
// the name of the agent
kaconf );
kagent.applyChangeSet( ResourceFactory.newUrlResource( url ) ); // resource to
the change-set xml for the resources to add
kagent will periodically check if there is difference in the change-set, and
upload your knowledge automagically
________________________________
De : [email protected]
[mailto:[email protected]] De la part de Fnu Mahalakshmi
Envoy? : mardi 15 juin 2010 17:07
? : '[email protected]'
Objet : [rules-users] Dynamic rule file uploading
Hi guys,
I have : {R1.drl,R2.drl,R3.brl}
After conversion and loading I have {R1.drl,R2.drl,R3.brl,R3.drl} files in the
same directory where all my rules are stored.
I am using:
File folder = new File("SRC/MAIN/RULES");
File[] listOfFiles = folder.listFiles();
for listing all the files in my rules directory.
Now is there anyway that I can just hold on to the required files whenever my
rule files are updated rather than having to manually keeping deleting and
updating my rules directory?
Is there a more better way to do it rather than just listing all the files in
the directory??
Thanks,
M
________________________________
Please consider the environment before printing this email.
Visit our website at http://www.nyse.com
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Note: The information contained in this message and any attachment to it is
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any dissemination, distribution or copying of this communication is strictly
prohibited. If you have received this communication in error, please notify the
sender immediately by replying to the message, and please delete it from your
system. Thank you. NYSE Euronext.
</PRE><p style="font-family:arial;color:grey" style="font-size:13px">This
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property of the Capgemini Group. It is intended only for the person to whom it
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