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//$Id$
// FT_replica.idl
#ifndef _FT_REPLICA_IDL_
#define _FT_REPLICA_IDL_
// The OMG FT file has been split into sevaral pieces. This is one of them.
// It contains the interfaces that a typical FT Replica (replicated servant)
// will need to implement.
#include "FT_CORBA.idl" // common FT definitions
#pragma prefix "omg.org"
module FT
{
// Specification of PullMonitorable Interface
// which Application Objects Inherit
interface PullMonitorable {
boolean is_alive();
};
// Specifications for Logging and Recovery
typedef sequence<octet> State;
exception NoStateAvailable {};
exception InvalidState {};
exception NoUpdateAvailable {};
exception InvalidUpdate {};
// Specification of Checkpointable Interface
// which Updateable and Application Objects Inherit
interface Checkpointable {
State get_state()
raises(NoStateAvailable);
void set_state(in State s)
raises(InvalidState);
};
// Specification of Updateable Interface
// which Application Objects Inherit
interface Updateable : Checkpointable
{
State get_update()
raises(NoUpdateAvailable);
void set_update(in State s)
raises(InvalidUpdate);
};
};
#endif // for #ifndef _FT_REPLICA_IDL_
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