/*******************************************************************************
* Copyright (c) 2007, 2014 compeople AG and others.
* 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:
* compeople AG - initial API and implementation
*******************************************************************************/
package org.eclipse.riena.ui.ridgets;
/**
* This interface is used to compare elements for equality. This allows the client to specify different equality criteria than the <code>equals</code>
* implementation of the elements themselves.
*
* @see IChoiceRidget#setComparer()
* @since 5.0
*/
public interface IElementComparer {
/**
* Compares two elements for equality
*
* @param element1
* the first element
* @param element2
* the second element
* @return whether a is equal to b
*/
boolean equals(Object element1, Object element2);
}