01 /*
02 * Java Genetic Algorithm Library (jenetics-1.6.0).
03 * Copyright (c) 2007-2014 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
25 import org.jenetics.internal.util.HashBuilder;
26
27 /**
28 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
29 * @since 1.0
30 * @version 1.0 — <em>$Date: 2014-02-27 $</em>
31 */
32 public class Range<C extends Comparable<? super C>> extends Tuple2<C, C> {
33
34 /**
35 * Create a new range object.
36 *
37 * @param min the minimum value of the domain.
38 * @param max the maximum value of the domain.
39 * @throws IllegalArgumentException if {@code min >= max}
40 * @throws NullPointerException if one of the arguments is {@code null}.
41 */
42 public Range(final C min, final C max) {
43 super(requireNonNull(min, "Min value"), requireNonNull(max, "Max value"));
44 if (min.compareTo(max) >= 0) {
45 throw new IllegalArgumentException(format(
46 "Min value must be smaller the max value: [%s, %s]", min, max
47 ));
48 }
49 }
50
51 public C getMin() {
52 return _1;
53 }
54
55 public C getMax() {
56 return _2;
57 }
58
59 public boolean contains(final C value) {
60 return _1.compareTo(value) <= 0 && _2.compareTo(value) >= 0;
61 }
62
63 @Override
64 public int hashCode() {
65 return HashBuilder.of(Range.class).and(super.hashCode()).value();
66 }
67
68 }
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