What are the advantages to have four types of components (Service, Entity, Session, Process) in CCM model instead of only two in EJB model (Entity, Session)?
Service, Session and Entity CCM components are essentially same as Stateless Session, Stateful Session and Entity Beans respectively. Process Component is something new in CCM. This component is useful for mapping business components into a specialized type that requires persistence and survives after server crashes. Process component can provide multiple interfaces, managing its state independently not visible to client. It is useful for integration with Workflow Manager or Business Process Management Tools.
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