RTC::OnUnderflow< DataType > Class Template Reference

Callback abstract class on underflow. More...

#include <PortCallBack.h>

List of all members.

Public Member Functions

virtual ~OnUnderflow ()
 Destructor.
virtual DataType operator() ()=0
 Callback method.


Detailed Description

template<class DataType>
class RTC::OnUnderflow< DataType >

Callback abstract class on underflow.

Since:
0.4.0
This is the interface for callback invoked when data is done read() into the InPort/OutPort's buffer and the readout data does not exist. The return value of this callback will be the return value of read().

Constructor & Destructor Documentation

template<class DataType>
virtual RTC::OnUnderflow< DataType >::~OnUnderflow (  )  [inline, virtual]

Destructor.

Destructor


Member Function Documentation

template<class DataType>
virtual DataType RTC::OnUnderflow< DataType >::operator() (  )  [pure virtual]

Callback method.

This is the callback method invoked when the buffer underflow occurs.

Returns:
Substituted readout data


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