Struct EventCallback 

pub struct EventCallback { /* private fields */ }

This is a concrete implementation of OnSubscriptionNotification that calls a function when an event occurs.

Implementations

impl EventCallback

pub fn new<CB>(cb: CB) -> Self

where CB: Fn(&EventNotificationList) + Send + Sync + 'static,

Constructs a callback from the supplied function

Trait Implementations

impl OnSubscriptionNotification for EventCallback

fn on_event(&mut self, events: &EventNotificationList)

Called by the subscription after a EventNotificationList. The notifications contained within are individual EventFieldList structs filled from the select clause criteria from when the event was constructed. The default implementation does nothing.

fn on_data_change(&mut self, _data_change_items: &[&MonitoredItem])

Called by the subscription after a DataChangeNotification. The default implementation does nothing.