2 CORBA Objects

Before any discussion of CORBA programming can be meaningful, it is important to have a clear understanding of what a CORBA object is and the object terminology used throughout the Oracle Tuxedo information set.

There are a number of variations on the definition of an object, depending on what architecture or programming language is involved. For example, the concept of a C++ object is significantly different from the concept of a CORBA object. Also, the notion of a Component Object Model (COM) object is quite different from the notion of a CORBA object.

Most importantly, the notion of a CORBA object in this chapter is consistent with the definition presented by the Object Management Group (OMG). The OMG has a number of specifications and other documents that go into complete details on objects.

This topic includes the following sections:

• Definition of a CORBA Object
  
• How a CORBA Object Comes into Being
  
• Components of a CORBA Object
  
• Where an Object Gets Its Operations
  
• How Object Invocation Works