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User Guide
The information contained in this section applies to IBM WebSphere Commerce Version 7.0.0.9 and Feautre Pack 8. The documentation also applies to all subsequent releases and modifications until otherwise indicated in new editions.
Developing
The topics in the Developing section describe tasks performed by an application developer.
Business logic layer
The business logic layer is the business components that provide OAGIS services to return data or start business processes. The presentation layer uses these OAGIS services to display data, or to invoke a business process. The business logic provides data required by the presentation layer. The business logic layer exists because more than just fetching and updating data is required by an application; there is also additional business logic independent of the presentation layer.
Name-value pair command framework
The name-value pair framework is the only command framework that existed in releases of WebSphere Commerce Version 6, prior to Feature Pack 3.0.1. This command framework uses name-value pairs as input to the business logic layer, and returns the responses as name-value pairs.
Customizing existing controller commands
A controller command encapsulates the business logic for a business process. Individual units of work within the business process may be performed by task commands. As such, there are several ways in which a controller command can be customized, some of which involve customizing task commands.

Customizing existing controller commands

A controller command encapsulates the business logic for a business process. Individual units of work within the business process may be performed by task commands. As such, there are several ways in which a controller command can be customized, some of which involve customizing task commands.