/*
 * Java Genetic Algorithm Library (jenetics-7.2.0).
 * 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 (franz.wilhelmstoetter@gmail.com)
 */
package io.jenetics.internal.util;

import static java.util.Objects.requireNonNull;

import java.util.Comparator;
import java.util.Iterator;
import java.util.Optional;
import java.util.Spliterator;
import java.util.function.BiConsumer;
import java.util.function.BiFunction;
import java.util.function.BinaryOperator;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.IntFunction;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.function.ToDoubleFunction;
import java.util.function.ToIntFunction;
import java.util.function.ToLongFunction;
import java.util.stream.Collector;
import java.util.stream.DoubleStream;
import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.Stream;

/**
 * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
 * @since 3.0
 * @version 4.1
 */
public abstract class StreamProxy<T> implements Stream<T> {

        private final Stream<T> _self;

        protected StreamProxy(final Stream<T> self) {
                _self = requireNonNull(self);
        }

        @Override
        public Stream<T> limit(final long maxSize) {
                return _self.limit(maxSize);
        }

        @Override
        public Stream<T>
        filter(final Predicate<? super T> predicate) {
                return _self.filter(predicate);
        }

        public boolean
        allMatch(final Predicate<? super T> predicate) {
                return _self.allMatch(predicate);
        }

        @Override
        public boolean
        anyMatch(final Predicate<? super T> predicate) {
                return _self.anyMatch(predicate);
        }

        @Override
        public <R, A> R
        collect(final Collector<? super T, A, R> collector) {
                return _self.collect(collector);
        }

        @Override
        public <R> R collect(
                final Supplier<R> supplier,
                final BiConsumer<R, ? super T> accumulator,
                final BiConsumer<R, R> combiner
        ) {
                return _self.collect(supplier, accumulator, combiner);
        }

        @Override
        public long count() {
                return _self.count();
        }

        @Override
        public Stream<T> distinct() {
                return _self.distinct();
        }

        @Override
        public Optional<T> findAny() {
                return _self.findAny();
        }

        @Override
        public Optional<T> findFirst() {
                return _self.findFirst();
        }

        @Override
        public <R> Stream<R> flatMap(
                final Function<? super T, ? extends Stream<? extends R>> mapper
        ) {
                return _self.flatMap(mapper);
        }

        @Override
        public DoubleStream flatMapToDouble(
                final Function<? super T, ? extends DoubleStream> mapper
        ) {
                return _self.flatMapToDouble(mapper);
        }

        @Override
        public IntStream flatMapToInt(
                final Function<? super T, ? extends IntStream> mapper
        ) {
                return _self.flatMapToInt(mapper);
        }

        @Override
        public LongStream flatMapToLong(
                final Function<? super T, ? extends LongStream> mapper
        ) {
                return _self.flatMapToLong(mapper);
        }

        @Override
        public void forEach(final Consumer<? super T> action) {
                _self.forEach(action);
        }

        @Override
        public void forEachOrdered(final Consumer<? super T> action) {
                _self.forEachOrdered(action);
        }

        @Override
        public <R> Stream<R> map(
                final Function<? super T, ? extends R> mapper
        ) {
                return _self.map(mapper);
        }

        @Override
        public DoubleStream mapToDouble(
                final ToDoubleFunction<? super T> mapper
        ) {
                return _self.mapToDouble(mapper);
        }

        @Override
        public IntStream mapToInt(
                final ToIntFunction<? super T> mapper
        ) {
                return _self.mapToInt(mapper);
        }

        @Override
        public LongStream mapToLong(
                final ToLongFunction<? super T> mapper
        ) {
                return _self.mapToLong(mapper);
        }

        @Override
        public Optional<T> max(
                final Comparator<? super T> comparator
        ) {
                return _self.max(comparator);
        }

        @Override
        public Optional<T> min(
                final Comparator<? super T> comparator
        ) {
                return _self.min(comparator);
        }

        @Override
        public boolean noneMatch(
                final Predicate<? super T> predicate
        ) {
                return _self.noneMatch(predicate);
        }

        @Override
        public Stream<T> peek(
                final Consumer<? super T> action
        ) {
                return _self.peek(action);
        }

        @Override
        public Optional<T> reduce(
                final BinaryOperator<T> accumulator
        ) {
                return _self.reduce(accumulator);
        }

        @Override
        public T reduce(
                final T identity,
                final BinaryOperator<T> accumulator
        ) {
                return _self.reduce(identity, accumulator);
        }

        @Override
        public <U> U reduce(
                final U identity,
                final BiFunction<U, ? super T, U> accumulator,
                final BinaryOperator<U> combiner
        ) {
                return _self.reduce(identity, accumulator, combiner);
        }

        @Override
        public Stream<T> skip(final long n) {
                return _self.skip(n);
        }

        @Override
        public Stream<T> sorted() {
                return _self.sorted();
        }

        @Override
        public Stream<T> sorted(
                final Comparator<? super T> comparator
        ) {
                return _self.sorted(comparator);
        }

        @Override
        public Object[] toArray() {
                return _self.toArray();
        }

        @Override
        public <A> A[] toArray(IntFunction<A[]> generator) {
                return _self.toArray(generator);
        }

        @Override
        public void close() {
                _self.close();
        }

        @Override
        public boolean isParallel() {
                return _self.isParallel();
        }

        @Override
        public Iterator<T> iterator() {
                return _self.iterator();
        }

        @Override
        public Stream<T> onClose(final Runnable closeHandler) {
                return _self.onClose(closeHandler);
        }

        @Override
        public Stream<T> parallel() {
                return _self.parallel();
        }

        @Override
        public Stream<T> sequential() {
                return _self.sequential();
        }

        @Override
        public Spliterator<T> spliterator() {
                return _self.spliterator();
        }

        @Override
        public Stream<T> unordered() {
                return _self.unordered();
        }

        @Override
        public Stream<T> takeWhile(final Predicate<? super T> predicate) {
                return _self.takeWhile(predicate);
        }

        @Override
        public Stream<T> dropWhile(final Predicate<? super T> predicate) {
                return _self.dropWhile(predicate);
        }

}