public TableOperationContext(AddWithFileCommand <T> FileController, CommandType type)
        {
            this.FileController = FileController;
            this.type           = type;

            contextVoid = CommandVoidContext.getContext();
        }
 public AuthorOperation(AddWithFileCommand <Author> AuthorController, CommandType type) : base(AuthorController, type)
 {
 }
 public BookOperation(AddWithFileCommand <Book> bookController, CommandType type) : base(bookController, type)
 {
 }