package org.sakaiproject.calendar.impl;
/**
* This allows elements in the cache to be updated.
* @author buckett
*
*/
public interface ElementRefresher {
/**
* Updates an object in the cache.
* @param element The element that is a little old.
* @return The updated object for the cache, if null is returned the element is removed from the cache.
*/
public Object updateElement(Object key, Object value);
}