taverna-workbench-selection-api/src/main/java/net/sf/taverna/t2/workbench/selection/events/DataflowSelectionMessage.java

/*******************************************************************************
 * Copyright (C) 2007 The University of Manchester   
 * 
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 * 
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *    
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *    
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 ******************************************************************************/
package net.sf.taverna.t2.workbench.selection.events;

import uk.org.taverna.scufl2.api.core.Workflow;

/**
 * A message about the selection of a {@linkplain Workflow dataflow} object.
 * 
 * @author David Withers
 */
public class DataflowSelectionMessage {
	public enum Type {
		ADDED, REMOVED
	}

	private Type type;
	private Object element;

	/**
	 * Constructs a new instance of DataflowSelectionMessage.
	 * 
	 * @param type
	 * @param element
	 */
	public DataflowSelectionMessage(Type type, Object element) {
		this.type = type;
		this.element = element;
	}

	/**
	 * Returns the type of the message.
	 * 
	 * @return the type of the message
	 */
	public Type getType() {
		return type;
	}

	/**
	 * Returns the subject of the message.
	 * 
	 * @return the of the message
	 */
	public Object getElement() {
		return element;
	}
}