Reader: Reader

Description Usage Arguments Format Details Author(s) See Also

Description

Reader Class responsible for performing read functionality through the document and document collection composite hierarchy. This class has a single method that, upon instantiation, initiates a VReader object, passes this visitor object to the document's accept method. The document accepts the VReader visitor and the VReader processes the request or dispatches another read request on a composite object.

Usage

1

Arguments

object

This is an object of the DocumentCollection, Document or File class

Format

An object of class R6ClassGenerator of length 24.

Details

Reader Class Overview: The Reader class is a participant in the VReader visitor pattern, a design pattern described in the book "Design Patterns: Elements of Reusable Object-Oriented Software" by Erich Gamma, Richard Helm, Ralph Johnson and John Vlissides (hence Gang of Four). This visitor pattern allows new operations to be defined without changing the classes upon which the visitor method operates.

Reader Methods: The Reader class has a single method as follows:

Author(s)

John James, jjames@DataScienceSalon.org

See Also

Other Read/Write Classes: VReader, VWriter, Writer


j2scode/NLPStudio documentation built on May 7, 2019, 8:58 p.m.