Error reading brl files in eclipse
by Fnu Mahalakshmi
Hi,
I know this is repeated again but I tried the solution mentioned in the previous posts and it doesn't work.
When I created a guided rule in eclipse, I get blank dropdowns when choosing the facts.
I added the jar file for the classes as an external reference
I also added a .package file to the directory where my rules are located. The package file contains import statements of the classes.
I also added the required classes in the same directory.
But nothing seems to work.
If I import my .brl rule from the guvnor repository I am unable to open it. Gives me an error.
I tried reading it in a text editor and shows me the correct xml format.
Please help!!!
Thank you.
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13 years, 10 months
Using pipelines
by Swindells, Thomas
I've been trying to learn how to use pipelines to execute some rules.
I've had a look at the JaxbSimpleJmsMessengerTest as that seemed a good place to start and copy the code from (using drools 5.0.1).
However running the test doesn't seem to actually run any of the rules - I've tried adding println's but they don't appear, nor do the globals appear to get populated.
What am I missing?
Thomas
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13 years, 10 months
Drools Flow: Validation Chain Approach
by tolitius
Hey Drools Flow Crowd,
Would appreciate your thoughts on:
Validation One Node
||
\/
Validation Two Node
||
\/
Validation Three Node
||
\/
Validation Four Node
...
...
If any errors are found at any validation node, the process should
terminate with proper logging, etc..
What would be your approach of a clean way to do it in order to avoid
cluttering the process definition with a splitter after individual
"Validation XYZ Node":
Validation One Node
||
\/
SPLITTER => Finalize => End ( or Fault node, which is
as dirty )
||
\/
Validation Two Node
||
\/
SPLITTER => Finalize => End
||
\/
Validation Three Node
||
\/
SPLITTER => Finalize => End
||
\/
Validation Four Node
...
...
Thanks for your input,
/Anatoly
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13 years, 10 months
Re: [rules-users] rules-users Digest, Vol 43, Issue 7
by Fnu Mahalakshmi
Hi,
Thanks a lot. I will try it out.
I had one more doubt. Is it anyway possible to pass the data I want to test my rules against in the guvnor editor itself??
I am using a text document as the input data set.
Thanks a ton!
-----Original Message-----
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Today's Topics:
1. Re: Doubt of object referencing in creating rules
(Esteban Aliverti)
----------------------------------------------------------------------
Message: 1
Date: Wed, 2 Jun 2010 11:59:35 -0300
From: Esteban Aliverti <esteban.aliverti(a)gmail.com>
Subject: Re: [rules-users] Doubt of object referencing in creating
rules
To: Rules Users List <rules-users(a)lists.jboss.org>
Message-ID:
<AANLkTikTWWpjlxYsuqlLLOjS8Kz1S_skNwVT5tRYN6lL(a)mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
You could do something like this:
rule "something"
when
$c: Customer (name = "XX")
then
$c.getSales().setType("A");
$c.getSales().setId(1);
end
Did you read this?:
http://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/tr...
<http://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/tr...>
Best,
On Tue, Jun 1, 2010 at 11:37 AM, Fnu Mahalakshmi <FMahalakshmi(a)nyx.com>wrote:
> Hi,
>
> Can anyone tell me how I could deal with complex object referencing while
> creating rules?
> I have:
> Class Customer{
> String name;
> Sale sales;
> ..
> }
>
> When I create my rules:
> When customer.name = XXX
> Then sales.type = A
> sales.id = 1
>
>
> Above is what I want to do.
> I have 2 classes: Customer and sales.
> How could I effectively depict my rules to do the above??
>
> Please help.
>
> Thank you.
>
> Please consider the environment before printing this email.
>
> Visit our website at http://www.nyse.com
>
> ****************************************************
>
> Note: The information contained in this message and any attachment to it
> is privileged, confidential and protected from disclosure. If the reader of
> this message is not the intended recipient, or an employee or agent
> responsible for delivering this message to the intended recipient, you are
> hereby notified that 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.
>
>
> _______________________________________________
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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13 years, 10 months
Doubt of object referencing in creating rules
by Fnu Mahalakshmi
Hi,
Can anyone tell me how I could deal with complex object referencing while creating rules?
I have:
Class Customer{
String name;
Sale sales;
..
}
When I create my rules:
When customer.name = XXX
Then sales.type = A
sales.id = 1
Above is what I want to do.
I have 2 classes: Customer and sales.
How could I effectively depict my rules to do the above??
Please help.
Thank you.
Please consider the environment before printing this email.
Visit our website at http://www.nyse.com
****************************************************
Note: The information contained in this message and any attachment to it is privileged, confidential and protected from disclosure. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that 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.
13 years, 10 months
Keeping Flows in Guvnor
by tolitius
Need to host all the flows ( process definitions ) in Guvnor as pre-built
knowledge packages.
I heard that it works out of the box, but other people say it is a "desired"
functionality, and it does not really yet implemented to work.
So what is it in reality? I guess this is a question more to Esteban, but
jump in if you are sure.
Thank you,
/Anatoly
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13 years, 10 months
Re: [rules-users] Drools 5.0.1 in eclipse having memory issue
by LokR
Hi,
Actually, I'm not sure about where the error comes from, so, I'll tell for
two possibilities:
1)Eclipse itself is making a OutOfMemoryError
2)when you run you application using rules, you have a outOfMemoryError
1)Eclipse itself is maling a OutOfMemoryError
-go in your eclipse installation folder
-open the file name eclipse.ini
-replace -Xmx512m by -Xmx1024m or whatever size should be appropriate
2) your application is doing it
-right click on a source file
-Run as
-Run configurations...
-Arguments
-in vm arguments, just put -Xmx1024m or whatever size should be appropriate
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13 years, 10 months
Calling a rule within a rule
by Dinesh kumar
Hi All,
I am new to Drools and I need a help.
Is it possible to call a rule within a rule.
i.e., only when rule1 condition is true , my rule2 should execute
rule1
when a!=null
then
...
rule2
when a.toString() !=""
then
...
Though i can write both the conditions in the same rule, its not a feasible
solution as my business rules are much complicated. I am expecting to write
something like this..
rule1
when a!=null
then
when a.toString() !=""
then
...
end
end
But this is not working out. It would be great if someone can help me out..
Also I understood that variables cannot be declared in guvnor.. Is this
true..? If true then what is an alternative. Kindly help me
Regards,
Dinesh
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13 years, 10 months
inline eval vs comparing booleans
by evertp
Hi
In the JBoss Rules 5.0 dev guide I read the statement:
When comparing inline eval with standard eval, we can see that they both
must
return true or false. However, inline eval must be a time-constant
expression.
It is evaluated only once and then it is cached by Drools
1. Can I assume that the caching lasts until the session is disposed of?
2. Is there a difference between the conditions Fact( eval(isValid) ) and
Fact( isValid == true ) or are they evaluated in the same way?
-Evert
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13 years, 10 months
