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• ArrayISeq.java

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io.jenetics.internal.collection.ArrayISeq Maven / Gradle / Ivy

/*
 * Java Genetic Algorithm Library (jenetics-7.1.2).
 * Copyright (c) 2007-2023 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 ([email protected])
 */
package io.jenetics.internal.collection;

import static java.lang.String.format;

import java.io.Serial;
import java.util.function.Function;

import io.jenetics.util.ISeq;
import io.jenetics.util.MSeq;

/**
 * @author Franz Wilhelmstötter
 * @since 1.4
 * @version 3.4
 */
public class ArrayISeq extends ArraySeq implements ISeq {

	@Serial
	private static final long serialVersionUID = 1L;

	public ArrayISeq(final Array array) {
		super(array);
		assert array.isSealed();
	}

	@Override
	public  ISeq map(final Function mapper) {
		final Array mapped = Array.ofLength(length());
		for (int i = 0; i < length(); ++i) {
			mapped.set(i, mapper.apply(array.get(i)));
		}
		return new ArrayISeq<>(mapped.seal());
	}

	@Override
	public ISeq append(final Iterable values) {
		return new ArrayISeq<>(__append(values).seal());
	}

	@Override
	public ISeq prepend(final Iterable values) {
		return new ArrayISeq<>(__prepend(values).seal());
	}

	@Override
	public ISeq subSeq(final int start) {
		if (start < 0 || start > length()) {
			throw new ArrayIndexOutOfBoundsException(format(
				"Index %d range: [%d..%d)", start, 0, length()
			));
		}

		return start == length()
			? Empty.iseq()
			: new ArrayISeq<>(array.slice(start, length()));
	}

	@Override
	public ISeq subSeq(int start, int end) {
		if (start > end) {
			throw new ArrayIndexOutOfBoundsException(format(
				"start[%d] > end[%d]", start, end
			));
		}
		if (start < 0 || end > length()) {
			throw new ArrayIndexOutOfBoundsException(format(
				"Indexes (%d, %d) range: [%d..%d)", start, end, 0, length()
			));
		}

		return start == end
			? Empty.iseq()
			: new ArrayISeq<>(array.slice(start, end));
	}

	@Override
	public MSeq copy() {
		return isEmpty()
			? Empty.mseq()
			: new ArrayMSeq<>(array.copy());
	}

}