[rules-users] How to let a rule run only one time

[Zhao Yi]

This is my code:

                 session.getAgenda().getAgendaGroup("add").setFocus();
                 try {
			int rule=session.fireAllRules();
			System.out.println(rule+" rules fired");
		} catch (Exception e) {
			e.printStackTrace();
		}

The rule doesn't print the message and the code print "0 rules fired". I am
using drools 5.1.1. Is this the version you are using?

My rule file is:

rule "add2"
	agenda-group "add"
	dialect "java" 
	lock-on-active
	when 
		eval(true)
	then 
		System.out.println("add2");
end

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