01 /*
02 * Java Genetic Algorithm Library (jenetics-1.5.0).
03 * Copyright (c) 2007-2013 Franz Wilhelmstötter
04 *
05 * Licensed under the Apache License, Version 2.0 (the "License");
06 * you may not use this file except in compliance with the License.
07 * You may obtain a copy of the License at
08 *
09 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 * Author:
18 * Franz Wilhelmstötter (franz.wilhelmstoetter@gmx.at)
19 */
20 package org.jenetics.util;
21
22 import static java.lang.String.format;
23 import static java.util.Objects.requireNonNull;
24 import static org.jenetics.util.object.hashCodeOf;
25
26 /**
27 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
28 * @since 1.0
29 * @version 1.0 — <em>$Date: 2013-12-02 $</em>
30 */
31 public class Range<C extends Comparable<? super C>> extends Tuple2<C, C> {
32
33 /**
34 * Create a new range object.
35 *
36 * @param min the minimum value of the domain.
37 * @param max the maximum value of the domain.
38 * @throws IllegalArgumentException if {@code min >= max}
39 * @throws NullPointerException if one of the arguments is {@code null}.
40 */
41 public Range(final C min, final C max) {
42 super(requireNonNull(min, "Min value"), requireNonNull(max, "Max value"));
43 if (min.compareTo(max) >= 0) {
44 throw new IllegalArgumentException(format(
45 "Min value must be smaller the max value: [%s, %s]", min, max
46 ));
47 }
48 }
49
50 public C getMin() {
51 return _1;
52 }
53
54 public C getMax() {
55 return _2;
56 }
57
58 public boolean contains(final C value) {
59 return _1.compareTo(value) <= 0 && _2.compareTo(value) >= 0;
60 }
61
62 @Override
63 public int hashCode() {
64 return hashCodeOf(Range.class).and(super.hashCode()).value();
65 }
66
67 }
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