01: /*
02: * Copyright 2006 The Kuali Foundation.
03: *
04: * Licensed under the Educational Community License, Version 1.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.opensource.org/licenses/ecl1.php
09: *
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.module.gl.batch.poster;
17:
18: import java.util.Collection;
19:
20: import org.kuali.module.gl.bo.Balance;
21: import org.kuali.module.gl.bo.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: }
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