/*******************************************************************************
* Copyright (c) 2013 Bruno Medeiros and other Contributors.
* 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:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package melnorme.utilbox.collections.iter;
import java.util.Iterator;
/**
* Interface for an iterator that allows to create a copy of current state of iteration.
*/
public interface ICopyableIterator<T> extends Iterator<T> {
public ICopyableIterator<T> copyState();
/** Returns a version of this object which has been optimized according to current state.
* Can either return the receiver instance itself, or another object with equal state. In this later case,
* the receiver instance is not valid anymore. */
public ICopyableIterator<T> optimizedSelf();
}