| /******************************************************************************* |
| * Copyright (c) 2011, 2012 E.D.Willink and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * E.D.Willink - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.examples.domain.utilities; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| |
| /** |
| * ArrayIterable provides an Iterable for an Array |
| */ |
| public class ArrayIterable<T> implements IndexableIterable<T> |
| { |
| protected class Iterator implements java.util.Iterator<T> |
| { |
| private int index = firstIndex; |
| |
| public boolean hasNext() { |
| return index < lastIndex; |
| } |
| |
| public T next() { |
| return array[index++]; |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| private final T[] array; |
| private final int firstIndex; |
| private final int lastIndex; |
| |
| public ArrayIterable(T[] array) { |
| this.array = array; |
| this.firstIndex = 0; |
| this.lastIndex = array.length; |
| } |
| |
| public ArrayIterable(T[] array, int firstIndex, int lastIndex) { |
| this.array = array; |
| this.firstIndex = firstIndex; |
| this.lastIndex = lastIndex; |
| } |
| |
| public @NonNull T get(int index) { |
| return DomainUtil.nonNullState(array[firstIndex + index]); |
| } |
| |
| public java.util.Iterator<T> iterator() { |
| return new Iterator(); |
| } |
| |
| public int size() { |
| return lastIndex - firstIndex; |
| } |
| } |