* @param coordinatorHasChanged this parameter is set to <code>true</code> if the
* coordinator has changed, <code>false</code> otherwise
*/
private void onTopologyChange(boolean coordinatorHasChanged)
{
TopologyChangeEvent event = new TopologyChangeEvent(coordinatorHasChanged, isCoordinator);
for (TopologyChangeListener listener : listeners)
{
try
{
listener.onChange(event);