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/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2001 Intersect Software Corporation

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/

package net.wotonomy.control;

/**
 * A simple extension of EODataSource that allows for indexed insertion. The
 * wotonomy implementation of EODisplayGroup supports this and will use it if
 * possible. This is useful for classes like the PropertyDataSource, where the
 * ordering of items in an indexed property may be important.
 *
 * @author michael@mpowers.net
 * @author $Author: cgruber $
 * @version $Revision: 893 $
 */
public abstract class OrderedDataSource extends EODataSource {
	/**
	 * Inserts the specified object into this data source, at the specified index.
	 */
	public abstract void insertObjectAtIndex(Object anObject, int anIndex);
}

/*
 * $Log$ Revision 1.1 2006/02/16 13:19:57 cgruber Check in all sources in
 * eclipse-friendly maven-enabled packages.
 *
 * Revision 1.2 2003/08/06 23:07:52 chochos general code cleanup (mostly,
 * removing unused imports)
 *
 * Revision 1.1 2001/01/24 14:10:53 mpowers Contributing OrderedDataSource, and
 * PropertyDataSource extends it.
 *
 *
 */