/*******************************************************************************
 *  Copyright 2017 Centre for Development of Advanced Computing(C-DAC), Pune
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *    http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *******************************************************************************/
package cdac.medinfo.sdk.hl7282.commoninterface;



import java.util.Iterator;

/**
 * Provides the contract that the implementer collection should follow.
 * @param <T> - object of the type on which the user wants to iterate.
 */
public abstract interface ICollectionIterator<T> extends Iterator<T>
{
	/**
	 * Checks whether the collection contains more elements.
	 * @return boolean - true if the iteration has more elements. 
	 */
	public abstract boolean hasNext();
	
	/**
	 * Returns the next element in the iteration.
	 * @return T - object specified at the time of instantiation of the
	 * implementer class.
	 */
	public abstract T next();
	
	/**
	 * Removes from the underlying collection the last element returned by the iterator.
	 */
	public abstract void remove();
}
