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Exercises in Programming Style
book

Exercises in Programming Style

by Cristina Videira Lopes
November 2015
Intermediate to advanced content levelIntermediate to advanced
304 pages
5h 23m
English
Chapman and Hall/CRC
Content preview from Exercises in Programming Style

Chapter 15

Bulletin Board

image

15.1 Constraints

  • Larger problem is decomposed into entities using some form of abstraction (objects, modules or similar).
  • The entities are never called on directly for actions.
  • Existence of an infrastructure for publishing and subscribing to events, aka the bulletin board.
  • Entities post event subscriptions (aka "wanted") to the bulletin board and publish events (aka "offered") to the bulletin board. The bulletin board infrastructure does all the event management and distribution.

15.2 A Program in this Style

  1 #!/usr/bin/env python
  2 import sys, re, operator, string
  3
  4 #
  5 # The event management substrate
  6 #
  
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Publisher Resources

ISBN: 9781482227376