That's because you are evaluating a Process Variable as a fact.. and it's not a fact. You cannot do:
i : FooInstance(action == 'EDITING')
Because inside the working memory there is no FooInstance.
If you want to do that.. you should insert the FooInstance instead of defining it as process variable.
You also has the possibility to evaluate ProcessVariables in rules.. for that you should get the process variable from the WorkFlowProcessInstance.
Greetings


On Mon, Sep 27, 2010 at 1:58 PM, bob.breitling <bob.breitling@rrd.com> wrote:

Here is my object:

package com.rrd.xspace.drools;

import java.io.Serializable;

public class FooInstance implements Serializable
{
       /**
        *
        */
       private static final long serialVersionUID = 132337L;

       private String action = "EDITING";

       public FooInstance()
       {
       }

       public String getAction() {
               return action;
       }

       public void setAction(String action) {
               this.action = action;
       }
}


Here is my rf file:

<process xmlns="http://drools.org/drools-5.0/process"
        xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
        xs:schemaLocation="http://drools.org/drools-5.0/process
drools-processes-5.0.xsd"
        type="RuleFlow" name="Studio Sample Listener Flow"
id="StudioSampleListener" package-name="com.rrd.xspace.drools" >

 <header>
   <variables>
     <variable name="Instance" >
       <type
name="org.drools.process.core.datatype.impl.type.ObjectDataType"
className="com.rrd.xspace.drools.FooInstance" />
     </variable>
   </variables>
 </header>

 <nodes>
   <start id="1" name="Start" x="81" y="36" width="48" height="48" />
   <end id="2" name="End" x="81" y="291" width="48" height="48" />
   <ruleSet id="5" name="Validate" x="65" y="122" width="80" height="48"
ruleFlowGroup="StudioSampleListenerValidate" />
 </nodes>

 <connections>
   <connection from="5" to="2" />
   <connection from="1" to="5" />
 </connections>

</process>


Here is my drl file:

package com.rrd.xspace.drools

import com.rrd.xspace.drools.*;
import com.rrd.xspace.data.levels.XMetaDataValue;

import org.drools.runtime.process.ProcessInstance
import org.drools.runtime.process.WorkflowProcessInstance

rule "Test"
ruleflow-group "StudioSampleListenerValidate"
   when
   then
       System.out.println("GOT HERE FIRST");
   end

rule "StudioSampleListener"
ruleflow-group "StudioSampleListenerValidate"
agenda-group "MAIN"
   when
       processInstance : WorkflowProcessInstance()
   then
       System.out.println("GOT HERE");
   end

rule "StudioSampleListener Validate"
ruleflow-group "StudioSampleListenerValidate"
agenda-group "MAIN"
   when
       i : FooInstance(action == 'EDITING')
   then
       System.out.println("GOT HERE LAST");
   end


When I runt this stuff, the Test rule and the StudioSampleListener rule will
fire.  If I move Test, then nothing fires.  The "StudioSampleListener
Validate" has never fired.  I have a break point on the getAction method of
FooInstance and it is never called.

Bob
--
View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Drools-Flow-process-question-tp1589567p1590453.html
Sent from the Drools - User mailing list archive at Nabble.com.
_______________________________________________
rules-users mailing list
rules-users@lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-users



--
 - CTO @ http://www.plugtree.com 
 - MyJourney @ http://salaboy.wordpress.com
 - Co-Founder @ http://www.jbug.com.ar
 
 - Salatino "Salaboy" Mauricio -