public class NodeDirectEditPolicy extends DirectEditPolicy {
@Override
protected Command getDirectEditCommand(DirectEditRequest request) {
String value = (String) request.getCellEditor().getValue();
NodeGraphicalEditPart nodeGraphicalEditPart = (NodeGraphicalEditPart) getHost();
NodeSetNameCommand command = new NodeSetNameCommand();
command.setNode(nodeGraphicalEditPart.getModel());
command.setName(value);
return command;
}