7:20 p.m.
When two rules recide within a same drl extends works as expected.
rule "Base_Rule|1.1.2"
enabled false
when
$bdy : BDY()
Vehicles()
then
System.out.println(" >>>> 222 "+$bdy);
end
rule "TX_Rule|1.1.2" extends "Base_Rule|1.1.2"
when
then
System.out.println(" >>>> TX 222 "+$bdy);
end
When the super rule recides in a different DRL and child rule in a different
DRL the parent rule is not fired
rule "TX_Rule|1.1.1" extends "Base_Rule|1.1.0"
when
BDY();
then
System.out.println(" >>>> TX 111 "+$bdy);
end
Any thoughts ??
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12:11 a.m.
It works for me.
Make sure to test for errors after compilation ( kBuilder.hasErrors() ).
The code you've shown for the 2nd scenario is incomplete, so no comment.
-W
On 29/03/2013, arul.prashanth(a)gmail.com <arul.prashanth(a)gmail.com> wrote:
When two rules recide within a same drl extends works as expected.
rule "Base_Rule|1.1.2"
enabled false
when
$bdy : BDY()
Vehicles()
then
System.out.println(" >>>> 222 "+$bdy);
end
rule "TX_Rule|1.1.2" extends "Base_Rule|1.1.2"
when
then
System.out.println(" >>>> TX 222 "+$bdy);
end
When the super rule recides in a different DRL and child rule in a
different
DRL the parent rule is not fired
rule "TX_Rule|1.1.1" extends "Base_Rule|1.1.0"
when
BDY();
then
System.out.println(" >>>> TX 111 "+$bdy);
end
Any thoughts ??
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1:47 a.m.
Are the two DRLs in the same package?
If not, the extension will not work.
However, I suspect the extension mechanism is indeed bugged,
or at least is debatable in some aspects.
1) Assuming that packageName + ruleName form an identifier,
it should be possible to extend a rule in another package by providing
the "fully qualified name", although allowing free-form names
in rules might make it difficult to separate the package from the rule name
2) Two rules with the same name cannot coexist in the same package:
2.a a single DRL with two rules with the same name will generate a
compilation error
2.b adding a rule to a KB will replace an existing rule with the same
name, if present
2.c using the same knowledgeBuilder to load two separate DRLs (same package)
containing two rules with the same name will cause the latter to
override the former
I'm not sure that 2.a and 2.c are coherent
Davide
On 03/28/2013 10:11 PM, Wolfgang Laun wrote:
It works for me.
Make sure to test for errors after compilation ( kBuilder.hasErrors() ).
The code you've shown for the 2nd scenario is incomplete, so no comment.
-W
On 29/03/2013, arul.prashanth(a)gmail.com <arul.prashanth(a)gmail.com> wrote:
> When two rules recide within a same drl extends works as expected.
>
> rule "Base_Rule|1.1.2"
> enabled false
> when
> $bdy : BDY()
> Vehicles()
> then
> System.out.println(" >>>> 222 "+$bdy);
> end
>
> rule "TX_Rule|1.1.2" extends "Base_Rule|1.1.2"
> when
> then
> System.out.println(" >>>> TX 222 "+$bdy);
> end
>
> When the super rule recides in a different DRL and child rule in a
> different
> DRL the parent rule is not fired
>
> rule "TX_Rule|1.1.1" extends "Base_Rule|1.1.0"
> when
> BDY();
> then
> System.out.println(" >>>> TX 111 "+$bdy);
> end
>
> Any thoughts ??
>
>
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/Issue-with-Rule-X1-extends-X2-tp4023114...
> Sent from the Drools: User forum mailing list archive at Nabble.com.
> _______________________________________________
> rules-users mailing list
> rules-users(a)lists.jboss.org
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12:26 p.m.
Thanks David.
The Rule extends works if the two drl packages are the same. Can you shed
some light on "fully qualified name rule name" ?
I have a package org.poc.test with Rule Rule_1X and org.poc.test.tx with
Rule Rule_11
package org.poc.test
rule "Rule Rule_1X"
when // do something
then //do something
end
package org.poc.test.tx
rule "Rule Rule_11" extends "org.poc.test.Rule_1X"
when // do something
then //do something
end
Doesn't seem to extend the base rule. Am I using teh fully qualified rule
name?
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12:44 p.m.
Unfortunately this feature is not supported, so the rules have to be
declared in the same package.
This is potentially part of a larger discussion: we don't have a
consistent way to ID-entify a rule.
I'll raise the question on the developer channels.
Davide
On 03/29/2013 10:26 AM, arul.prashanth(a)gmail.com wrote:
Thanks David.
The Rule extends works if the two drl packages are the same. Can you shed
some light on "fully qualified name rule name" ?
I have a package org.poc.test with Rule Rule_1X and org.poc.test.tx with
Rule Rule_11
package org.poc.test
rule "Rule Rule_1X"
when // do something
then //do something
end
package org.poc.test.tx
rule "Rule Rule_11" extends "org.poc.test.Rule_1X"
when // do something
then //do something
end
Doesn't seem to extend the base rule. Am I using teh fully qualified rule
name?
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4291
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4291
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4 comments
3 participants
participants (3)
-
arul.prashanth＠gmail.com -
Davide Sottara -
Wolfgang Laun