ConversationLink.java

/*******************************************************************************
 * Signavio Core Components
 * Copyright (C) 2012  Signavio GmbH
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package de.hpi.bpmn2_0.model.conversation;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;

import de.hpi.bpmn2_0.model.FlowElement;
import de.hpi.bpmn2_0.model.connector.Edge;
import de.hpi.bpmn2_0.transformation.Visitor;

/**
 * Class representing a conversation link.
 * 
 * @author Sven Wagner-Boysen
 *
 */
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class ConversationLink extends Edge implements ConversationElement {
	
	public void acceptVisitor(Visitor v){
		v.visitConversationLink(this);
	}
	
	/**
	 * Ensures that the target element is of the type conversation element and 
	 * returns it.
	 */
	public FlowElement getTargetRef() {
//		if(!(super.getTargetRef() instanceof ConversationElement))
//			return null;
		return super.getTargetRef();
	}
	
	public void setTargetRef(ConversationElement targetEle) {
		if(targetEle instanceof FlowElement) {
			super.setTargetRef((FlowElement) targetEle);
		}
	}
	
	/**
	 * Ensures that the source element is of the type conversation element and 
	 * returns it.
	 */
	public FlowElement getSourceRef() {
//		if(!(super.getSourceRef() instanceof ConversationElement))
//			return null;
		return super.getSourceRef();
	}
	
	public void setSourceRef(ConversationElement sourceEle) {
		if(sourceEle instanceof FlowElement) {
			super.setSourceRef((FlowElement) sourceEle);
		}
	}
	
}