jdk.dio.counter

Interface CountingListener

All Superinterfaces:

AsyncErrorHandler<PulseCounter>, DeviceEventListener

public interface CountingListener
extends DeviceEventListener, AsyncErrorHandler<PulseCounter>

The CountingListener interface defines methods for getting notified of pulse counter counting conditions such as counter terminal value reached or counting session time interval expired as well of device errors. A CountingListener can be registered using the PulseCounter.startCounting(int, long, jdk.dio.counter.CountingListener) method.

See Also:

PulseCounter

Method Summary

Methods

Modifier and Type	Method and Description
void	countValueAvailable(CountingEvent event) Invoked when the pulse count has reached the specified terminal value or the specified counting time interval has expired - whichever happens first.
void	failed(java.lang.Throwable exception, PulseCounter source) Invoked when an I/O operation fails.

Method Detail

countValueAvailable

void countValueAvailable(CountingEvent event)

Invoked when the pulse count has reached the specified terminal value or the specified counting time interval has expired - whichever happens first.

Parameters:

event - the event that occurred.

failed

void failed(java.lang.Throwable exception,
          PulseCounter source)

Invoked when an I/O operation fails.

Specified by:

failed in interface AsyncErrorHandler<PulseCounter>

Parameters:

exception - The exception to indicate why the I/O operation failed

source - The PulseCounter instance that generated the error.