package org.exoplatform.services.jcr.impl.core.query.lucene;
/**
* This interface allows you to execute a given action when the state of the {@link IndexUpdateMonitor}
* changes.
*
* @author <a href="mailto:nicolas.filotto@exoplatform.com">Nicolas Filotto</a>
* @version $Id$
*
*/
public interface IndexUpdateMonitorListener
{
/**
* This method is called when the flag <code>updateInProgress</code> changes of value
* @param updateInProgress the new value of the flag
*/
void onUpdateInProgressChange(boolean updateInProgress);
}