COM+ Unleashed

COM+ Component Requirements

Now that you've explored the critical state management concerns of COM+, look at the more tangible COM+ physical component requirements. The following list presents the eight mandatory requirements of COM+ components:

• COM+ components require standard class objects with standard IClassFactory interfaces.Because COM+ controls object life span to enhance application, scalability components cannot use unorthodox object-creation techniques. Remember that COM+ intercepts all object-creation requests and can perform any number of performance-enhancing shortcuts. Only COM+ directly invokes the class factory of a COM+ object.

• COM+ requires an IClassFactory::CreateInstance() that returns one new object for each call. COM+ creates ...