//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.library.edit;
/**
* This interface is used by adapter factories for cleaning up references to
* unused item providers.
*
* @author Phong Nguyen Le
* @since 1.0
*/
public interface IReferencer {
/**
* Removes the given reference to an item provider.
*
* @param ref
* a reference to an item provider
* @return <code>true</code> if the reference is successfully removed
*/
public boolean remove(Object ref);
/**
* Cleans up all unused references.
*/
public void cleanUp();
}