Sub Array
/*
* @(#)SubArray.java 1.0 Mar 7, 2008
*
* The MIT License
*
* Copyright (c) 2008 Malachi de AElfweald <malachid@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
//package org.eoti.util;
import java.util.Iterator;
public class SubArray<T> implements Iterable<T>, Iterator<T> {
protected T[] arr;
protected int startInclusive;
protected int endInclusive;
protected int currentPos;
public SubArray(int startInclusive, int endInclusive, SubArray<T> arr) {
this(startInclusive, endInclusive, arr.arr);
}
public SubArray(int startInclusive, SubArray<T> arr) {
this(startInclusive, arr.arr);
}
public SubArray(int startInclusive, int endInclusive, T... arr) {
this.startInclusive = startInclusive;
this.endInclusive = endInclusive;
this.arr = arr;
this.currentPos = startInclusive;
}
public SubArray(int startInclusive, T... arr) {
this(startInclusive, arr.length - 1, arr);
}
public int size() {
return arr.length;
}
public Iterator<T> iterator() {
return this;
}
public boolean hasNext() {
return (currentPos <= endInclusive);
}
public T next() {
return arr[currentPos++];
}
public void remove() {
throw new UnsupportedOperationException();
}
}
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