Range.java
/*
* Java Genetic Algorithm Library (@__identifier__@).
* Copyright (c) @__year__@ Franz Wilhelmstötter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author:
* Franz Wilhelmstötter (franz.wilhelmstoetter@gmx.at)
*/
package org.jenetics.util;
import static java.lang.String.format;
import static java.util.Objects.requireNonNull;
import org.jenetics.internal.util.HashBuilder;
/**
* @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
* @since 1.0
* @version 1.0 — <em>$Date: 2014-02-27 $</em>
*/
public class Range<C extends Comparable<? super C>> extends Tuple2<C, C> {
/**
* Create a new range object.
*
* @param min the minimum value of the domain.
* @param max the maximum value of the domain.
* @throws IllegalArgumentException if {@code min >= max}
* @throws NullPointerException if one of the arguments is {@code null}.
*/
public Range(final C min, final C max) {
super(requireNonNull(min, "Min value"), requireNonNull(max, "Max value"));
if (min.compareTo(max) >= 0) {
throw new IllegalArgumentException(format(
"Min value must be smaller the max value: [%s, %s]", min, max
));
}
}
public C getMin() {
return _1;
}
public C getMax() {
return _2;
}
public boolean contains(final C value) {
return _1.compareTo(value) <= 0 && _2.compareTo(value) >= 0;
}
@Override
public int hashCode() {
return HashBuilder.of(Range.class).and(super.hashCode()).value();
}
}