deprecated_plugins/org.eclipse.epf.diagramming/src/org/eclipse/epf/diagramming/base/commands/CreatePredecessorCommand.java

/**
 * 
 */
package org.eclipse.epf.diagramming.base.commands;

import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.uml2.uml.ActivityNode;
import org.eclipse.uml2.uml.DecisionNode;
import org.eclipse.uml2.uml.ForkNode;
import org.eclipse.uml2.uml.JoinNode;
import org.eclipse.uml2.uml.MergeNode;
import org.eclipse.uml2.uml.NamedElement;

/**
 * Command updates the predecessor information of UMA model based on diagram
 * links creation between {@link ActivityNode}s. 
 * Usecase is to update the predecessor information.  Links established in diagram
 * between any two {@link ActivityNode}s updates the predecessor informatino, in case either source or target is {@link DecisionNode} or 
 * {@link MergeNode} predecessor information should not be update. 
 * {@link ForkNode} or {@link JoinNode} need to find incoming and outgoing update
 * all the predecessors information. 
 * 
 * @author Shashidhar Kannoori
 *
 */
public class CreatePredecessorCommand extends Command {

	
	private NamedElement target;
	private NamedElement source;
	private CreateRelationshipRequest req;
	
	public CreatePredecessorCommand(CreateRelationshipRequest req) {
		this.req = req;
	}
	/**
	 * 
	 */
	public CreatePredecessorCommand(NamedElement source, NamedElement target) {
		this.source = source;
		this.target = target;
	}

	/**
	 * @param label
	 */
	public CreatePredecessorCommand(String label) {
		super(label);
		// TODO Auto-generated constructor stub
	}


}