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.Balance;
21 import org.kuali.ole.gl.businessobject.Transaction;
22
23 /**
24 * This interface declares methods needed for posting transactions to the appropriate balance records.
25 */
26 public interface BalanceCalculator {
27 /**
28 * Given a collection of balance records, returns the balance that the given transaction would post to
29 * or creates a new balance record
30 *
31 * @param balanceList a Collection of balance records
32 * @param t the transaction to post
33 * @return the balance to post against
34 */
35 public Balance findBalance(Collection balanceList, Transaction t);
36
37 /**
38 * Updates the balance based on the given transaction
39 *
40 * @param t the transaction to post
41 * @param b the balance being posted against
42 */
43 public void updateBalance(Transaction t, Balance b);
44 }