/*
 * Copyright (c) 2021 Goldman Sachs.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v. 1.0 which accompany this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 */

package org.eclipse.collections.impl.lazy;

import java.util.Collection;
import java.util.Iterator;
import java.util.Optional;

import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.predicate.Predicate;
import org.eclipse.collections.api.block.predicate.Predicate2;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.impl.UnmodifiableIteratorAdapter;
import org.eclipse.collections.impl.utility.Iterate;
import org.eclipse.collections.impl.utility.LazyIterate;

A LazyIterableAdapter wraps any iterable with the LazyIterable interface.
/** * A LazyIterableAdapter wraps any iterable with the LazyIterable interface. */
public class LazyIterableAdapter<T> extends AbstractLazyIterable<T> { private final Iterable<T> adapted; public LazyIterableAdapter(Iterable<T> newAdapted) { this.adapted = newAdapted; } @Override public void each(Procedure<? super T> procedure) { Iterate.forEach(this.adapted, procedure); } @Override public void forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure) { Iterate.forEachWithIndex(this.adapted, objectIntProcedure); } @Override public <P> void forEachWith(Procedure2<? super T, ? super P> procedure, P parameter) { Iterate.forEachWith(this.adapted, procedure, parameter); } @Override public Iterator<T> iterator() { return new UnmodifiableIteratorAdapter<>(this.adapted.iterator()); } @Override public <R extends Collection<T>> R into(R target) { Iterate.addAllIterable(this.adapted, target); return target; } @Override public LazyIterable<T> select(Predicate<? super T> predicate) { return LazyIterate.select(this.adapted, predicate); } @Override public LazyIterable<T> reject(Predicate<? super T> predicate) { return LazyIterate.reject(this.adapted, predicate); } @Override public <V> LazyIterable<V> collect(Function<? super T, ? extends V> function) { return LazyIterate.collect(this.adapted, function); } @Override public <V> LazyIterable<V> flatCollect(Function<? super T, ? extends Iterable<V>> function) { return LazyIterate.flatCollect(this.adapted, function); } @Override public <V> LazyIterable<V> collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function) { return LazyIterate.collectIf(this.adapted, predicate, function); } @Override public LazyIterable<T> take(int count) { return LazyIterate.take(this.adapted, count); } @Override public LazyIterable<T> drop(int count) { return LazyIterate.drop(this.adapted, count); } @Override public LazyIterable<T> takeWhile(Predicate<? super T> predicate) { return LazyIterate.takeWhile(this.adapted, predicate); } @Override public LazyIterable<T> dropWhile(Predicate<? super T> predicate) { return LazyIterate.dropWhile(this.adapted, predicate); } @Override public LazyIterable<T> distinct() { return LazyIterate.distinct(this.adapted); } @Override public Object[] toArray() { return Iterate.toArray(this.adapted); } @Override public int size() { return Iterate.sizeOf(this.adapted); } @Override public boolean isEmpty() { return Iterate.isEmpty(this.adapted); } @Override public boolean anySatisfy(Predicate<? super T> predicate) { return Iterate.anySatisfy(this.adapted, predicate); } @Override public boolean allSatisfy(Predicate<? super T> predicate) { return Iterate.allSatisfy(this.adapted, predicate); } @Override public boolean noneSatisfy(Predicate<? super T> predicate) { return Iterate.noneSatisfy(this.adapted, predicate); } @Override public <P> boolean anySatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return Iterate.anySatisfyWith(this.adapted, predicate, parameter); } @Override public <P> boolean allSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return Iterate.allSatisfyWith(this.adapted, predicate, parameter); } @Override public <P> boolean noneSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return Iterate.noneSatisfyWith(this.adapted, predicate, parameter); } @Override public T getFirst() { return Iterate.getFirst(this.adapted); } @Override public T getLast() { return Iterate.getLast(this.adapted); } @Override public T detect(Predicate<? super T> predicate) { return Iterate.detect(this.adapted, predicate); } @Override public <P> T detectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return Iterate.detectWith(this.adapted, predicate, parameter); } @Override public Optional<T> detectOptional(Predicate<? super T> predicate) { return Iterate.detectOptional(this.adapted, predicate); } @Override public <P> Optional<T> detectWithOptional(Predicate2<? super T, ? super P> predicate, P parameter) { return Iterate.detectWithOptional(this.adapted, predicate, parameter); } }