MyCBvoid

MyCBvoid −

#include <acsexmplCallbacks.h>

Inherits CommonCallback.

Public Member Functions

MyCBvoid (ACE_CString _prop)

~MyCBvoid ()

void working (const ACSErr::Completion &c, const ACS::CBDescOut &desc)

void done (const ACSErr::Completion &c, const ACS::CBDescOut &desc)

CORBA::Boolean negotiate (ACS::TimeInterval time_to_transmit, const ACS::CBDescOut &desc)

This callback class is used so the caller of asynchronous methods can be informed when the method invocation has finally completed.

MyCBvoid::MyCBvoid (ACE_CString _prop) [inline] Constructor

Parameters:

_prop Name of this CBvoid instance

References CommonCallback::prop.

MyCBvoid::~MyCBvoid () [inline] Destructor - nothing to delete.

void MyCBvoid::done (const ACSErr::Completion & c, const ACS::CBDescOut & desc) Method invoked to inform the developer of a client that the asynchronous method has completed.

Parameters:

c Error handling structure.
desc Callback descriptor

Returns:

void

CORBA::Boolean MyCBvoid::negotiate (ACS::TimeInterval time_to_transmit, const ACS::CBDescOut & desc) [inline] Method used so that client and servant can agree upon the time it takes to transmit data (generally invocations of the done method). A smart callback implementation would analyze the value of time_to_transmit and decide whether the value is acceptable, but we just return true regardless in this simplistic example.

Parameters:

time_to_transmit Time to transmit data.
desc Callback descriptor

Returns:

True regardless of parameter values.

void MyCBvoid::working (const ACSErr::Completion & c, const ACS::CBDescOut & desc) Method invoked only to inform the developer of a client that the asynchronous method has not ’forgot about it’, but is still working on processing the request.

Parameters:

c Error handling structure.
desc Callback descriptor

Returns:

void

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