What we have learned so far in this book is generally aimed at providing an interface for users that allows them to interact with data and functionality provided by the business layer of Siebel CRM applications. While screens, views, and applets provide the human interface, integration objects provide the EAI interface.
The following diagram illustrates this:
From the preceding diagram, we can learn the following:
Views and applets constitute the user interface for human interaction with the data and functionality provided by business components.
The business layer, constructed by business objects and business components, is the single point of access for users and EAI interfaces. The business layer defines the logic for accessing the tables in the Siebel database.
Integration objects and integration components constitute the integration layer by mapping to business objects and business components respectively.
The EAI Siebel Adapter business service serves as...
