1 package net.sf.jack4j;
2
3 /*
4 Copyright (C) 2008 Ondrej Par
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20 */
21
22
23 /**
24 * Java version of Jack enum <code>jack_transport_state_t</code>.
25 *
26 * @author repa
27 *
28 */
29 public enum JackTransportState {
30 STOPPED {
31
32 @Override
33 protected int nativeIntValue() {
34 return JackConstants.JackTransportStopped();
35 }
36 },
37 ROLLING {
38
39 @Override
40 protected int nativeIntValue() {
41 return JackConstants.JackTransportRolling();
42 }
43 },
44 LOOPING {
45
46 @Override
47 protected int nativeIntValue() {
48 return JackConstants.JackTransportLooping();
49 }
50 },
51 STARTING {
52
53 @Override
54 protected int nativeIntValue() {
55 return JackConstants.JackTransportStarting();
56 }
57 },
58 ;
59
60 private Integer cachedIntValue = null;
61
62 protected abstract int nativeIntValue();
63
64 /**
65 * Returns integer value of native constant corresponding to this enum
66 * value.
67 */
68 public int intValue() {
69 if (cachedIntValue == null) {
70 cachedIntValue = nativeIntValue();
71 }
72 return cachedIntValue;
73 }
74
75 /**
76 * Returns the enum constant with given integer value.
77 */
78 public static JackTransportState byIntValue(int intValue) {
79 for (JackTransportState state : values()) {
80 if (state.intValue() == intValue) {
81 return state;
82 }
83 }
84 throw new IllegalArgumentException();
85 }
86 }