Hi there,
I want to set setGlobal in working memory at run time based on derived
class, e.g. DerivedOne or DerivedTwo. But it throws following error:
Illegal class for global. Expected [org.comp.app.bean.Base], found
[org.comp.app.bean.DerivedOne].
It should automatically resolve the derived class. Please let me know if I'm
doing something wrong. I'd appreciate your help.
Thanks,
-KB
Here are the classed I'm using in my test project:
class abstract Base () {
public void init( StatefulSession workingMemory ) {
this.workingMemory = workingMemory;
workingMemory.setGlobal("app", this);
}
public void logMe() {
System.out.println("From Derived BASE...");
}
}
class DerivedOne() extends Base{
public void runRules( Object obj) {
ObjOne obj1 = (ObjOne)obj
workingMemory.insert(obj1);
workingMemory.fireAllRules();
workingMemory.dispose();
}
public void logMe() {
System.out.println("From Derived ONE...");
}
}
class DerivedTwo() extends Base{
public void runRules( Object obj) {
ObjTwo obj2 = (ObjTwo)obj
workingMemory.insert(obj2);
workingMemory.fireAllRules();
workingMemory.dispose();
}
public void logMe() {
System.out.println("From Derived ONE...");
}
}
class Caller() {
RuleBase ruleBase = ruleBaseFactory.open(docRules);
workingMemory = ruleBase.newStatefulSession();
if (sub==1) {
der1 = new DerivedOne();
der1.init(workingMemory);
der1.runRules();
}
else if (sub==1) {
der2 = new DerivedTwo();
der2.init(workingMemory);
der2.runRules();
}
}
//********DRL FILE*****
package com.sample
import com.sample.app.RuleCaller.Message;
global com.sample.app.Base app;
rule "using a static function"
when
eval( true )
then
System.out.println( "Message from Rule." );
app.logMe();
end
//********DRL FILE*****
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