/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */
package org.apache.tuscany.sca.assembly;

import java.util.Set;

/**
 * An interface which defines the set of EventTypes which apply to EventSources
 * and EventTargets
 * 
 * The Event Types here are all defined as Strings, which are intended to be
 * the QNames of Event Types defined through XML declarations.
 * @author MikeEdwards
 *
 */
public interface EventTypes {
	
	/**
	 * Adds a single Event Type
	 * @param theEventType - the event type to add
	 */
	void addEventType( String theEventType );
	
	/**
	 * Obtains a Set of the EventTypes
	 */
	Set<String> getEventTypes();
	
	/**
	 * Determines if a given Event Type is in the set of Event Types
	 */
	boolean isIncluded( String theEventType );
}