Re: [rules-users] Not able to call parameterizied Java method in LHS

2011-09-29 Thread Tinku 
I am facing one more issue with calling a method in lhs of the rule .. 

When I call a method as mentioned below ('getValue' is the method in class
'customObject' and 'numberofObjects' is method in class 'AnotherObject') ;
the drl file has problems in saving in eclipse. 
The error says like 'Multiple Markers at this line' 

*** 
rule A 

when 
$B : customObject() 
$C : AnotherObject() 
eval($C.numberofObjects($B.getValue(Database))  10) 
then 
rhs of the rule
end 

Please help me in this regard..


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Re: [rules-users] Not able to call parameterizied Java method in LHS

2011-09-28 Thread Tinku 
rhs part worked ok now..

I am facing one more issue with calling a method in lhs of the rule ..

When I call a method as mentioned below ('getValue' is the method in class
'customObject' and 'numberofObjects' is method in class 'AnotherObject') ;
the drl file has problems in saving in eclipse.
The error says like 'Multiple Markers at this line'

***
rule A

when
$B : customObject() 
$C : AnotherObject()
eval($C.numberofObjects($B.getValue(Database))  10) 
then
rhs of the rule
end



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[rules-users] Not able to call parameterizied Java method in LHS

2011-09-27 Thread Tinku 
I tried to invoke parameterizied call to the java method and tried to compare
the return parameter from the method in the 'eval' function..The rule is not
getting executed ..

I am not sure if it is unable to invoke the java method and fetch the return
parameter or there is an issue with rule syntax..

Please help me in this regard.

LHS of the rule :
**
import com.customObject

rule A

when
$B : customObject()

eval($B.getValue(Database).equals(ORACLE))

then

System.out.println(The database object is oracle)

end

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Re: [rules-users] Not able to call parameterizied Java method in LHS

2011-09-27 Thread Wolfgang Laun 
What do you get when you omit the eval and print the return value of
$B.getValue(Database)?
-W

On 27 September 2011 15:14, Tinku dibya@gmail.com wrote:

 I tried to invoke parameterizied call to the java method and tried to
 compare
 the return parameter from the method in the 'eval' function..The rule is
 not
 getting executed ..

 I am not sure if it is unable to invoke the java method and fetch the
 return
 parameter or there is an issue with rule syntax..

 Please help me in this regard.

 LHS of the rule :
 **
 import com.customObject

 rule A

 when
 $B : customObject()

 eval($B.getValue(Database).equals(ORACLE))

 then

 System.out.println(The database object is oracle)

 end

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Re: [rules-users] Not able to call parameterizied Java method in LHS

2011-09-27 Thread Tinku 
There was an issue within the class that was used to insert the facts..Hence
the value was not inserted properly..

The result of the printing the value is now as 'ORACLE'..

Thanks.

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Re: [rules-users] Not able to call parameterizied Java method in LHS

2011-09-27 Thread Edson Tirelli 
   Assuming callA() and callB() are methods on $C, you are missing a comma
in between them.

modify ($C)
{
 callA(UNIX),
 callB(PERL)
}

   Edson

2011/9/27 Tinku dibya@gmail.com

 I try to add two java method calls in the RHS of the rule .It doesnot allow
 me to save the DRL file in eclipse .It complaints Multiple Markers at this
 line.

 However ,commenting one of the method in the RHS works fine ,with-out any
 issue..

 Could you pls help me in this..

 Example :

 when
 $B : customObject()
 $C :result()

 eval($B.getValue(Database).equals(ORACLE))

 then
 modify ($C)
 {
  callA(UNIX)
  callB(PERL)
 }

 end


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  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com
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