CSC/ECE 517 Summer 2008/wiki3 7 SHOP PAT

Problem Definition

Shopper pattern. The idea of a "shopping cart" is ubiquitous in e-commerce. This idea lends itself to abstraction in the form of a Shopper pattern. Find examples and descriptions that are suitable for teaching this pattern, if possible, including some non-obvious applications. Write up your findings in the form of a narrative.

Introduction

The main purpose of Shopper Pattern is to provide as a means to assist people or consumers to obtain a collection of items from a set of shops or the providers. And the goal is achieved without introducing coupling between the consumer and the provider.