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• Example6.drl

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org.drools.tutorials.banking.Example6.drl Maven / Gradle / Ivy

package org.drools.tutorials.banking

rule "Rule 06 - Credit"  
    when
        $cashflow : AllocatedCashflow( $account : account,
                                       $date : date, $amount : amount,
                                        type==TypedCashflow.CREDIT )
        not AllocatedCashflow( account == $account, date < $date)
    then
        System.out.println("Credit: " + $date + " :: " + $amount);     
        $account.setBalance($account.getBalance()+$amount);
        System.out.println("Account: " + $account.getAccountNo() +
                           " - new balance: " + $account.getBalance());          
        retract($cashflow);
end

rule "Rule 06 - Debit"  
    when
        $cashflow : AllocatedCashflow( $account : account,
                            $date : date, $amount : amount,
                            type==TypedCashflow.DEBIT )
        not AllocatedCashflow( account == $account, date < $date)
    then
        System.out.println("Debit: " + $date + " :: " + $amount);      
        $account.setBalance($account.getBalance() - $amount);
        System.out.println("Account: " + $account.getAccountNo() +
                           " - new balance: " + $account.getBalance());           
        retract($cashflow);
end