/*
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Aug 7, 2008
*/
package com.bigdata.striterator;
import java.io.Serializable;
import java.util.Iterator;
/**
* Stackable filter pattern with generics.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
* @param <I>
* The generic type of the source iterator.
* @param <E>
* The generic type of the elements visited by the source iterator.
* @param <F>
* The generic type of the elements visited by the filtered iterator.
*/
public interface IFilter<I extends Iterator<E>, E, F> extends Serializable {
/**
* Wrap the source iterator with an iterator that applies this filter.
*
* @param src
* The source iterator.
*
* @return The filtered iterator.
*/
public Iterator<F> filter(I src);
}