01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package test.patterns.readwritelock;
23:
24: /**
25: * @version <tt>$Revision: 57186 $</tt>
26: * @author <a href="mailto:chussenet@yahoo.com">{Claude Hussenet Independent Consultant}</a>.
27: */
28: public class Account {
29:
30: private float balance;
31:
32: public Account(float balance) {
33: this .balance = balance;
34: }
35:
36: public void debit(float amount) {
37: float currentBalance = balance;
38: process(amount);
39: this .balance = currentBalance - amount;
40: }
41:
42: public void credit(float amount) {
43: float currentBalance = balance;
44: process(amount);
45: this .balance = currentBalance + amount;
46: }
47:
48: public String toString() {
49: return new StringBuffer("Balance: $").append(this .balance)
50: .toString();
51: }
52:
53: public float getBalance() {
54: return balance;
55: }
56:
57: public void process(float ll) {
58: try {
59:
60: Thread.sleep((long) ll);
61: } catch (Exception e) {
62: System.out.println(e);
63: }
64: }
65: }
|