protected void reset() {
		classes = new HashMap();
		imports = new HashMap();
		collections = new HashMap();
		tables = new TreeMap();
		namedQueries = new HashMap();
		namedSqlQueries = new HashMap();
		sqlResultSetMappings = new HashMap();
		xmlHelper = new XMLHelper();
		typeDefs = new HashMap();
		propertyReferences = new ArrayList();
		secondPasses = new ArrayList();
		interceptor = EmptyInterceptor.INSTANCE;
		properties = Environment.getProperties();
		entityResolver = XMLHelper.DEFAULT_DTD_RESOLVER;
		eventListeners = new EventListeners();
		filterDefinitions = new HashMap();
//		extendsQueue = new ArrayList();
		extendsQueue = new HashMap();
		auxiliaryDatabaseObjects = new ArrayList();
		tableNameBinding = new HashMap();
		columnNameBindingPerTable = new HashMap();
		namingStrategy = DefaultNamingStrategy.INSTANCE;
		sqlFunctions = new HashMap();
	}
 

private EventListeners getInitializedEventListeners() {
	EventListeners result = (EventListeners) eventListeners.shallowCopy();
	result.initializeListeners( this );
	return result;
}
 

public EventListeners getEventListeners() {
	return eventListeners;
}
 

public EventListeners getListeners() {
	return listeners;
}
 

public EventListeners getEventListeners()
{
	return eventListeners;
}
 

public EventListeners getListeners() {
	throw new UnsupportedOperationException();
}
 

/**
 * Retrieves the configured event listeners from this event source.
 *
 * @return The configured event listeners.
 */
public EventListeners getListeners();