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Object-oriented Java Primitives
/**
* The MIT License (MIT)
*
* Copyright (c) 2017-2018 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.cactoos.iterable;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.cactoos.Func;
import org.cactoos.func.UncheckedFunc;
/**
* Iterable implementation to model range functionality.
* @author Sven Diedrichsen ([email protected])
* @version $Id: 6b85abea4c681d43ed87de5c0b085b23198c371d $
* @param Range value type
* @since 1.0
*/
public final class
RangeOf> extends IterableEnvelope {
/**
* Ctor.
* @param min Start of the range.
* @param max End of the range.
* @param incrementor The {@link Func} to process for the next value.
*/
@SuppressWarnings({
"PMD.CallSuperInConstructor",
"PMD.ConstructorOnlyInitializesOrCallOtherConstructors"
}
)
public RangeOf(final T min, final T max, final Func incrementor) {
super(() -> new IterableOf<>(
new Iterator() {
private final UncheckedFunc inc =
new UncheckedFunc<>(incrementor);
private T value = min;
@Override
public boolean hasNext() {
return this.value.compareTo(max) < 1;
}
@Override
public T next() {
if (!this.hasNext()) {
throw new NoSuchElementException();
}
final T result = this.value;
this.value = this.inc.apply(this.value);
return result;
}
}
));
}
}