import java.sql.*;
import java.util.*;
 
import bitel.billing.server.contract.bean.*;
import bitel.billing.server.util.*;
import bitel.billing.common.KernelConst;
import bitel.billing.server.ipn.*;
import bitel.billing.server.ipn.bean.*;
import bitel.billing.server.contract.bean.BalanceUtils;

public void onEvent(event, setup, con, conSlave){

mid = *IPN_MID*;
 
cid = event.getContractId();
contract = new ContractManager(con).getContractById(cid);
 
BalanceUtils bal = new BalanceUtils( con );
Date balanceDate = new Date( System.currentTimeMillis() );
balance = bal.getBalance (balanceDate, cid);

limit = contract.getBalanceLimit();

if ( balance.intValue() < limit.intValue() )
{
    ipncsm = new IPNContractStatusManager(con,mid,setup);
    ipncsm.changeStatus(cid,2,0,true);
}

}