IBM E02HMLL-I Implementation Guide - Page 14
Example, implementation, solutions
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Business objects are the messages used by the IBM WebSphere Business Integration Server Express system for exchanging data. Data handlers are used to transform serial application data into business objects, and maps are used between a business object that is structured for the data model of a specific application and a business object that is generically structured for use by collaborations at the hub. v Adapters supply connectivity to applications or other programmatic entities at the spokes. Certain adapters, used for interactions with specific technologies, are supplied with both IBM WebSphere Business Integration Server Express and Express Plus. Other adapters, used for interactions with specific applications, can be obtained from the Adapter Capacity Pack. The Adapter Capacity Pack is separately available as an optional addition to IBM WebSphere Business Integration Server Express Plus. Each individual adapter includes a connector component that is responsible for linking an application or technology to InterChange Server Express. Many adapters also include an Object Discovery Agent (ODA), which you can use to generate business objects that are specific to the application with which the connector interacts. Each connector consists of two parts-the connector controller and the connector agent. The connector controller interacts directly with collaboration objects and resides on a server that has implemented the IBM WebSphere Business Integration Server Express system (the hub in a hub-and-spoke relationship). The connector agent interacts directly with an application, and can reside with that application on any server on the network. Application adapters-for example, the Adapter for PeopleSoft- are intermediaries between collaborations and applications. These connectors transform data from the application into business objects that can be manipulated by the collaborations, and transform business objects from the collaborations into data that can be received by the specific application. Technology adapters, such as the Adapter for XML, are designed for interactions that conform to specific technology standards. v The Server Access Interface makes it possible for remote spoke sites that do not implement InterChange Server Express to use access clients, which make calls over the Internet to a hub site that does have InterChange Server Express. The Server Access Interface is part of the InterChange Server Express. It is a CORBA-compliant API that accepts synchronous data transfers from either internally networked or external sources. The data is then transformed into business objects that can be manipulated by a collaboration. The Server Access Interface makes it possible to receive calls from external entities-for example, from web browsers at remote sites-that do not come through connector agents, but instead come through web servlets into the Server Access Interface. The Server Access Interface and the connectors both make use of data handlers. In the IBM WebSphere Business Integration Server Express environment, new data handlers can be created from a modular group of base classes called the Data Handler Framework. Also provided is a Protocol Handler Framework. These frameworks make it easier to customize solutions and add connectivity for additional data formats and protocols in the future. Example implementation solutions A typical IBM WebSphere Business Integration Server Express solution includes one or more collaborations and a set of business objects that represent business information relevant to an enterprise. The collaborations and business objects are 2 IBM WebSphere Business Integration Server Express and Express Plus: System Implementation Guide