问Robocode Robot with Drools Expert

EN

import the.manifested.Robotonikku;
import the.manifested.Strategy;
import the.manifested.Action;

import robocode.TeamRobot;

rule "One"
    when
        Robotonikku();
    then
        System.out.println("roboto is present");
end

rule "Two"
    when
        not Robotonikku();
    then
        System.out.println("roboto is not present");
end

rule "Three"
    when
        TeamRobot();
    then
        System.out.println("robot is present");
end

rule "Four"
    when
        not TeamRobot();
    then
        System.out.println("robot is not present");
end

public class Robotonikku extends TeamRobot

ksession.insert(this)

    String ficheroReglas = System.getProperty("robot.reglas", RobotDrools.FICHERO_REGLAS);

    kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();

    kbuilder.add(ResourceFactory.newClassPathResource(ficheroReglas, RobotDrools.class), ResourceType.DRL);
    if (kbuilder.hasErrors()) {
        System.err.println(kbuilder.getErrors().toString());
    }

    kbase = KnowledgeBaseFactory.newKnowledgeBase();
    kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());

    ksession = kbase.newStatefulKnowledgeSession();