ArrayISeq.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.util.Objects.requireNonNull;
/**
* @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
* @since 1.0
* @version 1.0 — <em>$Date: 2014-02-15 $</em>
*/
class ArrayISeq<T> extends ArraySeq<T> implements ISeq<T> {
private static final long serialVersionUID = 1L;
ArrayISeq(final ArrayRef array, final int start, final int end) {
super(array, start, end);
}
@Override
public ISeq<T> subSeq(final int start, final int end) {
checkIndex(start, end);
return new ArrayISeq<>(_array, start + _start, end + _start);
}
@Override
public ISeq<T> subSeq(final int start) {
return subSeq(start, length());
}
@Override
public <B> ISeq<B> map(final Function<? super T, ? extends B> converter) {
requireNonNull(converter, "Converter");
final int length = length();
final ArrayISeq<B> result = new ArrayISeq<>(new ArrayRef(length), 0, length);
assert (result._array.data.length == length);
for (int i = length; --i >= 0;) {
@SuppressWarnings("unchecked")
final T value = (T)_array.data[i + _start];
result._array.data[i] = converter.apply(value);
}
return result;
}
@Override
public MSeq<T> copy() {
return new Array<>(new ArrayRef(toArray()), 0, length());
}
@Deprecated
@Override
@SuppressWarnings("unchecked")
public <A> ISeq<A> upcast(final ISeq<? extends A> seq) {
return (ISeq<A>)seq;
}
}