ObjCCompat_SubscriptionHandling

@objc(PFLiveQuerySubscriptionHandling)
public protocol ObjCCompat_SubscriptionHandling

This protocol describes the interface for handling events from a live query client.

You can use this protocol on any custom class of yours, instead of Subscription, if it fits your use case better.


                    
                    
                    didRecieveEvent(_:event:client:)

Tells the handler that an event has been received from the live query server.

Swift

@objc(liveQuery:didRecieveEvent:inClient:)
optional func didRecieveEvent(_ query: PFQuery<PFObject>, event: PFLiveQueryEvent, client: Client)

`query`	The query that the event occurred on.
`event`	The event that has been recieved from the server.
`client`	The live query client which received this event.


                    
                    
                    didRecieveError(_:error:client:)

Tells the handler that an error has been received from the live query server.

Swift

@objc(liveQuery:didEncounterError:inClient:)
optional func didRecieveError(_ query: PFQuery<PFObject>, error: NSError, client: Client)

`query`	The query that the error occurred on.
`error`	The error that the server has encountered.
`client`	The live query client which received this error.


                    
                    
                    didSubscribe(_:client:)

Tells the handler that a query has been successfully registered with the server.

Note

This may be invoked multiple times if the client disconnects/reconnects.

Swift

@objc(liveQuery:didSubscribeInClient:)
optional func didSubscribe(_ query: PFQuery<PFObject>, client: Client)

`query`	The query that has been subscribed.
`client`	The live query client which subscribed this query.


                    
                    
                    didUnsubscribe(_:client:)

Tells the handler that a query has been successfully deregistered from the server.

Note

This is not called unless unregister() is explicitly called.

Swift

@objc(liveQuery:didUnsubscribeInClient:)
optional func didUnsubscribe(_ query: PFQuery<PFObject>, client: Client)

`query`	The query that has been unsubscribed.
`client`	The live query client which unsubscribed this query.