Business Logic
This chapter unpacks the business-logic portion of Currawong Accounting. Most of its software modules are very simple—little more than bridges between hypertext transport protocol (HTTP) requests (of the GET and POST varieties) and simple object access protocol (SOAP) queries to the accessor layer. A few of its elements are quite exciting, though. These have to do with taking raw business data and converting it to graphical form.
8.1 Inserting, Updating, and Deleting
In insert, update, and delete operations, in which activity on the presentation layer, usually in the form of a human user manipulating an hypertext markup language (HTML) form in some way, the business logic layer acts as an intermediary between the presentation ...
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