package com.ys.drools.rules

    import com.ys.drools.facts.*;
    import com.ys.drools.util.DroolsGlobalUtil;

    global DroolsGlobalUtil util;


    rule checkMinorAccount when
        a : AccountHolder( age < 16 )
    then
    System.out.println("Incrementing count  since account type is minor");
    System.out.println("***********************************************");
    System.out.println(util);
    util.setCount(util.getCount()+1);
    System.out.println(util.getCount());

    end


    rule checMajorAccount when
        a : AccountHolder( age >16 )
    then
    util.setCount(0);
    System.out.println("Incrementing count  since account type is Major");
    System.out.println(util.getCount());
    end

   rule checkCounterAndProduceAlert when u:util(count>3)
    then
   System.out.println("Alert****");
   end

package com.ys.drools.data.loader;

import java.util.ArrayList;
import java.util.List;

import org.kie.api.KieServices;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ys.drools.facts.AccountHolder;
import com.ys.drools.util.BankAccountUtilService;
import com.ys.drools.util.DroolsGlobalUtil;

public class Test {
    private BankAccountUtilService service;
    private  KieContainer kieContainer;
    private KieSession kieSession;
    private static Logger log = LoggerFactory
            .getLogger(Test.class);

    private List<AccountHolder> accountHolders=new ArrayList<AccountHolder>();

    public Test(){
        kieContainer= KieServices.Factory.get().getKieClasspathContainer();
          kieSession = kieContainer.newKieSession("BankAccountSession");
    }

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        Test test=new Test();
        List<AccountHolder> aList=test.fillAccountHolderList();
         DroolsGlobalUtil util=new DroolsGlobalUtil();
        test.kieSession.setGlobal( "util", util );
        for(int i=0;i<aList.size();i++){
        test.kieSession.insert(aList.get(i));
        test.kieSession.fireAllRules();
        }

      }


    public List<AccountHolder> fillAccountHolderList(){
         List<AccountHolder> accountHolders=new ArrayList<AccountHolder>();
         AccountHolder a1=new AccountHolder("Karun", 12);
         AccountHolder a2=new AccountHolder("kumar", 12);
         AccountHolder a3=new AccountHolder("rakesh", 10);
         accountHolders.add(a1);
         accountHolders.add(a2);
         accountHolders.add(a3);
         return accountHolders;
    }
}