Get Your Code Flowing Faster with Windows WorkFlow Foundation
Activities, decisions, and rules often feel like constraints for human beings, but for applications they are the lifeblood of making things work. Windows Workflow Foundation presents a new programming paradigm that lets these declarative principles guide your coding.
by Wei-Meng Lee
July 17, 2006
ur daily lives revolve around a series of activities, decisions, and rules. For example, upon waking one of the first activities you do is probably to brush your teeth, followed by washing your face, etc. You have to make decisions, such as what to eat for breakfast and which tie to wear to work. And there are always rules to observe, such as a certain time to arrive at the office, etc. All these activities, decisions, and rules are known as workflows.
Workflows exist everywhere, and the programming world is no exception. Take the case of a simple purchase-order application: the user enters the purchase amount for approval and the approval is routed to his immediate superior. If the amount exceeds a certain figure, approval from higher authority needs to be sought. And if the approval party is currently unavailable, the approval process is suspended until the superior returns and grants the approval.
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ur daily lives revolve around a series of activities, decisions, and rules. For example, upon waking one of the first activities you do is probably to brush your teeth, followed by washing your face, etc. You have to make decisions, such as what to eat for breakfast and which tie to wear to work. And there are always rules to observe, such as a certain time to arrive at the office, etc. All these activities, decisions, and rules are known as workflows.
