com.prosysopc.ua.client
Interface MonitoredDataItemListener
public interface MonitoredDataItemListener
Event listener for OPC UA notifications from a monitored data item.
- See Also:
MonitoredDataItem.setDataChangeListener(com.prosysopc.ua.client.MonitoredDataItemListener)
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Method Summary |
void |
onDataChange(MonitoredDataItem sender,
org.opcfoundation.ua.builtintypes.DataValue prevValue,
org.opcfoundation.ua.builtintypes.DataValue value)
Notification of value change. |
onDataChange
void onDataChange(MonitoredDataItem sender,
org.opcfoundation.ua.builtintypes.DataValue prevValue,
org.opcfoundation.ua.builtintypes.DataValue value)
- Notification of value change.
- Parameters:
sender - the object that is sending the notification.prevValue - the previous valuevalue - the new value
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