Chapter 28
Actors
Similar to the Letterbox style (Chapter 11), but where the things have independent threads of execution.
28.1 Constraints
- The larger problem is decomposed into things that make sense for the problem domain.
- Each thing has a queue meant for other things to place messages in it.
- Each thing is a capsule of data that exposes only its ability to receive messages via the queue.
- Each thing has its own thread of execution independent of the others.
28.2 A Program in this Style
1 #!/usr/bin/env python 2 3 import sys, re, operator, string 4 from threading import Thread 5 from Queue import Queue 6 7 class ActiveWFObject(Thread):
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