1 /*
2 * Copyright 2006 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.ole.gl.batch.service;
17
18 import java.util.Collection;
19
20 import org.kuali.ole.gl.businessobject.AccountBalance;
21 import org.kuali.ole.gl.businessobject.Transaction;
22
23 /**
24 * This interface declares the methods needed to update an account balance, based on a transaction.
25 */
26 public interface AccountBalanceCalculator {
27 /**
28 * Given a collection of account balance records, returns either the account balance the given
29 * transaction should post against or a new account balance record
30 *
31 * @param balanceList a Collection of AccountBalance records
32 * @param t the transaction to post
33 * @return
34 */
35 public AccountBalance findAccountBalance(Collection balanceList, Transaction t);
36
37 /**
38 * Updates the given account balance record, based on the given transaction
39 *
40 * @param t the transaction to post
41 * @param ab the account balance being posted against
42 */
43 public void updateAccountBalance(Transaction t, AccountBalance ab);
44
45 }