/*******************************************************************************
* Copyright (c) 2010-2015 Henshin developers. All rights reserved.
* This program and the accompanying materials
* are 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:
* TU Berlin, University of Luxembourg, SES S.A.
*******************************************************************************/
package de.tub.tfs.henshin.tggeditor.commands.create.rule;
import org.eclipse.emf.henshin.model.HenshinFactory;
import org.eclipse.emf.henshin.model.Parameter;
import org.eclipse.emf.henshin.model.Unit;
import org.eclipse.gef.commands.Command;
public class CreateParameterCommand extends Command {
/** The transformation unit. */
private final Unit transformationUnit;
/** The parameter. */
protected Parameter parameter;
/**
* Instantiates a new creates the parameter command.
*
* @param transformationUnit the transformation unit
* @param name the name
*/
public CreateParameterCommand(Unit transformationUnit,String name) {
super();
this.transformationUnit = transformationUnit;
this.parameter = HenshinFactory.eINSTANCE.createParameter();
this.parameter.setName(name);
}
/**
* Instantiates a new creates the parameter command.
*
* @param transformationUnit the transformation unit
* @param parameter the parameter
*/
public CreateParameterCommand(Unit transformationUnit, Parameter parameter) {
super();
this.transformationUnit = transformationUnit;
this.parameter = parameter;
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#canExecute()
*/
@Override
public boolean canExecute() {
return transformationUnit!=null && parameter!=null;
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#execute()
*/
@Override
public void execute() {
transformationUnit.getParameters().add(parameter);
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#undo()
*/
@Override
public void undo() {
transformationUnit.getParameters().remove(parameter);
}
/**
* Gets the trans unit.
*
* @return the transUnit
*/
public synchronized Unit getTransUnit() {
return transformationUnit;
}
/**
* Gets the parameter.
*
* @return the port
*/
public synchronized Parameter getParameter() {
return parameter;
}
}