[rules-users] Rules selection logic

[Wolfgang Laun]

Do not use identical rule names for rules that should be available
concurrently.

Better checks against duplications within a single KB build should be
implemented, but there may be issues with dynamic resource updates.

-W


On 15 November 2010 07:08, Bala <bala.ganesh at accenture.com> wrote:

>
> I am using 5.0.1 version.
>
>  In my application i dont have the rules in DRL files. I keep the Rules as
> binary object and add all the rules to knowledge base.
>
> Here is the code to add the binary rules.
>
>        inputStream = new ByteArrayInputStream(binaryRules);
>        ObjectInputStream ois = new ObjectInputStream(inputStream);
>        kpkgs = (Collection<KnowledgePackage>) ois.readObject();
>        kbase.addKnowledgePackages(kpkgs);
> .****************
>
> Simple way to reproduce.
> *******************
>
> 1) Add have two drl files HelloWorld.drl and Hello.drl
>
> Add  the below code in HelloWorldExample java
>
>
> kbuilder.add(ResourceFactory.newClassPathResource("HelloWorld.drl",HelloWorldExample.class),
> ResourceType.DRL);
>
> kbuilder.add(ResourceFactory.newClassPathResource("Hello.drl",HelloWorldExample.class),
> ResourceType.DRL);
>
>
> 2)
> Add the below rule in HelloWorld.drl
>
> package org.drools.examples
>  rule "hi"
> when
>  eval(1==1)
> then
>  System.out.println("Hello1");
> end
>
> 3) Add the below rule in Hello.drl
>
> package org.drools.examples
>  rule "hi"
> when
>  eval(1==1)
> then
>  System.out.println("Hello2");
> end
>
> 4) when i execute the attached HelloWorldExample java, i am getting the
> output of the rule of latest added drl to the kbuilder(i.e Hello2 of
> Hello.drl).
>
> 5) when i change the rulename, both the rules are getting executed.
>
> 6) But with the same rulename, when i change the LHS to eval(1<3) in one
> rule, only the 4th step is getting reproduced.
> ********************************
>  am i doing anything wrong?
>
> Thanks,
> Bala
>
>
>
>
> http://drools-java-rules-engine.46999.n3.nabble.com/file/n1902934/HelloWorldExample.java
> HelloWorldExample.java
> --
> View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/Rules-selection-logic-tp1894132p1902934.html
> Sent from the Drools - User mailing list archive at Nabble.com.
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