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tanszek:oktatas:iss_t:object_request_broker

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tanszek:oktatas:iss_t:object_request_broker [2026/03/01 17:53] – [Marshalling and Unmarshalling] kneheztanszek:oktatas:iss_t:object_request_broker [2026/03/01 17:58] (current) – [Object Request Broker (ORB)] knehez
Line 20: Line 20:
 Conceptually: Conceptually:
  
-Client -> ORB -> Remote Object +<mermaid> 
- +sequenceDiagram 
-Remote Object -> ORB -> Client+Client->>ORB: Method call 
 +ORB->>RemoteObject: Forward request 
 +RemoteObject-->>ORB: Return result 
 +ORB-->>Client: Return response 
 +</mermaid>
  
 The ORB handles all low-level details such as transport protocols and data encoding. The ORB handles all low-level details such as transport protocols and data encoding.
Line 65: Line 69:
  
 IDL was one of the early solutions to cross-language service integration. IDL was one of the early solutions to cross-language service integration.
 +
 +CORBA IDL supports interface inheritance, allowing one interface to extend another.
 +This enables the reuse of method definitions and supports polymorphism in distributed systems.
 +
 +Below is an example from a simplified employee management system.
 +
 +<sxh> 
 +module Company {
 +
 +interface Person {
 +   string getName();
 +   long getId();
 +};
 +
 +interface Employee : Person {
 +   double getSalary();
 +   void setSalary(in double newSalary);
 +};
 +
 +interface Manager : Employee {
 +   void addTeamMember(in Person p);
 +};
 +
 +};
 +</sxh>
 +
 +
 ---- ----
 ==== Marshalling and Unmarshalling ==== ==== Marshalling and Unmarshalling ====
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 Services were browsable in a uniform manner, which was advanced for its time. Services were browsable in a uniform manner, which was advanced for its time.
  
 +----
 ==== Known Implementations ==== ==== Known Implementations ====
  
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   * legacy enterprise infrastructures.   * legacy enterprise infrastructures.
  
 +----
 ==== Why CORBA Declined ==== ==== Why CORBA Declined ====
  
tanszek/oktatas/iss_t/object_request_broker.1772387602.txt.gz · Last modified: 2026/03/01 17:53 by knehez