Basic HTML version of Foils prepared May 19 1999

Foil 30 Servers for Transient CORBA Objects

From CORBA Common Object Request Broker Architecture Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Wojtek Furmanski, Nancy McCracken, Chao-Wei Ou, Shrideep Pallickara


1 A transient CORBA object has the same lifetime as the execution of the server process that creates it. When a server terminates, its transient objects disappear with it. Transient objects are often used to effect asynchronous communication between applications and objects.
2 By contrast, a persistent object lives until it is explictly destroyed. If a client has a reference to a persistent CORBA object, that reference can be used even if the object's server is not running--an ORB will start the server when it (the ORB) receives an invocation on the object.
3 At present, Java IDL ORB supports only transient object servers, while others like Visigenic supports both.

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