Summary
This chapter discussed the motivations for using middleware technology and took a brief look at the work of the OMG, which develops and promotes the CORBA standard. Important characteristics that distinguish CORBA from most other distributed platforms are object-orientation, programming language neutrality, and the fact that CORBA is based on an open standard.
Some basic CORBA concepts are explained in this chapter. A special declarative language, OMG IDL, is introduced to declare interfaces for CORBA objects. Interfaces defined in IDL can be mapped to particular programming languages, such as C++ or Java, according to the rules of the CORBA language mapping specifications. This enables a developer to access and implement CORBA objects ...
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