/*
 * Copyright (c) 2018 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.primitive;

import java.util.Iterator;
import java.util.NoSuchElementException;

import org.eclipse.collections.api.ByteIterable;
import org.eclipse.collections.api.block.function.Function0;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.collection.primitive.MutableByteCollection;
import org.eclipse.collections.api.iterator.ByteIterator;
import org.eclipse.collections.impl.factory.primitive.ByteLists;
import org.eclipse.collections.impl.lazy.AbstractLazyIterable;
import org.eclipse.collections.impl.utility.internal.IterableIterate;

This file was automatically generated from template file chunkPrimitiveIterable.stg.
/** * This file was automatically generated from template file chunkPrimitiveIterable.stg. */
public class ChunkByteIterable extends AbstractLazyIterable<ByteIterable> { private final ByteIterable adapted; private final int size; public ChunkByteIterable(ByteIterable delegate, int size) { if (size <= 0) { throw new IllegalArgumentException("Size for groups must be positive but was: " + size); } this.adapted = delegate; this.size = size; } @Override public Iterator<ByteIterable> iterator() { return new ChunkByteIterator(this.adapted, this.size); } @Override public void each(Procedure<? super ByteIterable> procedure) { IterableIterate.forEach(this, procedure); } public static class ChunkByteIterator implements Iterator<ByteIterable> { private final ByteIterator iterator; private final int size; private final Function0<MutableByteCollection> speciesNewStrategy; public ChunkByteIterator(ByteIterable iterable, int size) { if (size <= 0) { throw new IllegalArgumentException("Size for groups must be positive but was: " + size); } this.size = size; this.iterator = iterable.byteIterator(); this.speciesNewStrategy = iterable instanceof MutableByteCollection ? ((MutableByteCollection) iterable)::newEmpty : ByteLists.mutable::empty; } @Override public boolean hasNext() { return this.iterator.hasNext(); } @Override public ByteIterable next() { if (!this.iterator.hasNext()) { throw new NoSuchElementException(); } int i = this.size; MutableByteCollection result = this.speciesNewStrategy.value(); while (i > 0 && this.iterator.hasNext()) { result.add(this.iterator.next()); i -= 1; } return result; } } }