EventDefinitionSupport.java

/******************************************************************************* 
 * Copyright (c) 2011 Red Hat, Inc. 
 *  All rights reserved. 
 * This program is made available under the terms of the 
 * Eclipse Public License v1.0 which accompanies this distribution, 
 * and is available at http://www.eclipse.org/legal/epl-v10.html 
 * 
 * Contributors: 
 * Red Hat, Inc. - initial API and implementation 
 ******************************************************************************/
package org.eclipse.bpmn2.modeler.core.features.event.definitions;

import java.util.List;

import org.eclipse.bpmn2.CatchEvent;
import org.eclipse.bpmn2.Event;
import org.eclipse.bpmn2.EventDefinition;
import org.eclipse.bpmn2.ThrowEvent;

public class EventDefinitionSupport {
	
	interface EventWithDefinitions {
		List<EventDefinition> getEventDefinitions();
	}

	class CatchEventWithDefinitions implements EventWithDefinitions {

		private CatchEvent event;

		public CatchEventWithDefinitions(CatchEvent event) {
			this.event = event;
		}

		@Override
		public List<EventDefinition> getEventDefinitions() {
			return event.getEventDefinitions();
		}
	}

	class ThrowEventWithDefinitions implements EventWithDefinitions {

		private ThrowEvent event;

		public ThrowEventWithDefinitions(ThrowEvent event) {
			this.event = event;
		}

		@Override
		public List<EventDefinition> getEventDefinitions() {
			return event.getEventDefinitions();
		}
	}

	EventWithDefinitions create(Event event) {
		if (event instanceof CatchEvent)
			return new CatchEventWithDefinitions((CatchEvent) event);
		if (event instanceof ThrowEvent)
			return new ThrowEventWithDefinitions((ThrowEvent) event);
		return null;
	}
}