1 /*
2 * (c) Copyright 2006-2020 by rapiddweller GmbH & Volker Bergmann. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, is permitted under the terms of the
6 * GNU General Public License.
7 *
8 * For redistributing this software or a derivative work under a license other
9 * than the GPL-compatible Free Software License as defined by the Free
10 * Software Foundation or approved by OSI, you must first obtain a commercial
11 * license to this software product from rapiddweller GmbH & Volker Bergmann.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
14 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
15 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
17 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 package com.rapiddweller.model.data;
28
29 /**
30 * Provides enumerations for different uniqueness requirements.<br/><br/>
31 * Created: 17.02.2010 08:59:03
32 *
33 * @author Volker Bergmann
34 * @since 0.6.0
35 */
36 public enum Uniqueness {
37
38 /**
39 * None uniqueness.
40 */
41 NONE(false),
42 /**
43 * Simple uniqueness.
44 */
45 SIMPLE(true),
46 /**
47 * Ordered uniqueness.
48 */
49 ORDERED(true);
50
51 private final boolean unique;
52
53 Uniqueness(boolean unique) {
54 this.unique = unique;
55 }
56
57 /**
58 * Instance uniqueness.
59 *
60 * @param unique the unique
61 * @param ordered the ordered
62 * @return the uniqueness
63 */
64 public static Uniqueness instance(boolean unique, boolean ordered) {
65 return (unique ? (ordered ? Uniqueness.ORDERED : Uniqueness.SIMPLE) :
66 Uniqueness.NONE);
67 }
68
69 /**
70 * Is unique boolean.
71 *
72 * @return the boolean
73 */
74 public boolean isUnique() {
75 return unique;
76 }
77
78 }