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Implementation Overview

This chapter gives you an overview of how MICO implements the CORBA 2 specification, the implementation components it consists of and how those components are being used.

A CORBA 2 implementation consists of the following logical components:

• the Object Request Broker (ORB) provides for object location and method invocation.
• the interface repository stores runtime type information.
• one or more object adapters which form the interface between object implementations and the ORB; at least the Basic Object Adapter (BOA) has to be provided, part of which is the implementation repository that stores information about how to activate object implementations.
• the IDL compiler generates client stubs, server skeletons and marshalling code from a CORBA IDL according to the supported language mappings.

Each of these logical components has to be mapped to one or more implementation components, which are described in the next sections.

 
• ORB
  • ORB Initialization
  • Obtaining Initial References
• Interface Repository
• BOA
  • BOA Initialization
  • BOA Daemon
  • Implementation Repository
    • Listing All Entries
    • Details For One Entry
    • Creating New Entries
    • Deleting Entries
    • Forcing Activation of an Implementation
    • Examples
  • Activation Modes
    • Activation Mode Shared
    • Activation Mode Persistent
    • Activation Mode Unshared
    • Activation Mode Per Method
    • Activation Mode Library
  • Making Objects Persistent
  • Migrating Objects
• POA
  • Architecture
  • Policies
  • Example
  • Using a Servant Manager
  • Persistent Objects
  • Reference Counting
• IDL Compiler
• Compiler and Linker Wrappers
  • Examples