Globals are application data that is made available to the engine,
so you need to set it from outside of your rules:
workingMemory.setGlobal( "assignee", theAssignee );
By the way you wrote your rules bellow I think you are
misunderstanding something. If you want some help, maybe you can write
your rules in english for us to understand what you want to do.
The facts you will reason over, need to be asserted into the engine.
So maybe what you need is something like:
rule "get_the_assignee"
when
not PhysicalPerson()
then
PhysicalPerson assignee = new PhysicalPerson();
assignee.setId(new Long(007));
assert( assignee );
Tools2.traceSomething(assignee.getId());
Tools2.traceSomething("get_the_assignee");
end
rule "check_the_assignee"
when
assignee : PhysicalPerson()
then
Tools2.traceSomething("check_the_assignee");
Tools2.traceSomething(assignee.getId());
end
Hope it helps.
[]s
Edson
fanory wrote:
Hello,
My problem is to use a global variable in some rules:
global PhysicalPerson assignee
rule "get_the_assignee"
no-loop
salience 100
when
exists PhysicalPerson()
beneficiary : PhysicalPerson()
eval(true)
then
assignee = new PhysicalPerson();
assignee.setId(new Long(007));
Tools2.traceSomething(assignee.getId());
Tools2.traceSomething("get_the_assignee");
end
rule "check_the_assignee"
no-loop
salience 50
when
exists PhysicalPerson()
eval(true)
then
Tools2.traceSomething("check_the_assignee");
Tools2.traceSomething(assignee.getId());
end
I don't understand why when my rule "check_the_assignee" is executed, i get a
null pointer exception on Tools2.traceSomething(assignee.getId()) ?
The question behind this is i want to use a created object inside a rule and use
it in others rules with lower salience ...
Thanks in advance.
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Edson Tirelli
Software Engineer - JBoss Rules Core Developer
Office: +55 11 3124-6000
Mobile: +55 11 9218-4151
JBoss, a division of Red Hat @ www.jboss.com
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