xal.service.tripmonitor

Interface ChannelEventListener

All Known Implementing Classes:

NodeMonitor

public interface ChannelEventListener

ChannelEventListener is an interface for a listener of channel events.

Method Summary

Modifier and Type	Method and Description
void	connectionChanged(ChannelMonitor monitor, boolean connected) The channel's connection has changed.
void	handleTrip(ChannelMonitor monitor, TripRecord tripRecord) The PV's monitored trip count has been incremented.
void	valueChanged(ChannelMonitor monitor, ChannelTimeRecord record) The PV's monitored value has changed.

Method Detail

handleTrip

void handleTrip(ChannelMonitor monitor,
                TripRecord tripRecord)

The PV's monitored trip count has been incremented.

Parameters:

monitor - the channel monitor whose trip count has changed

tripRecord - The record of the trip

valueChanged

void valueChanged(ChannelMonitor monitor,
                  ChannelTimeRecord record)

The PV's monitored value has changed.

Parameters:

monitor - the channel monitor whose value has changed

record - The channel time record of the new value

connectionChanged

void connectionChanged(ChannelMonitor monitor,
                       boolean connected)

The channel's connection has changed. Either it has established a new connection or the existing connection has dropped.

Parameters:

monitor - The channel monitor whose connection status has changed.

connected - The channel's new connection state