Struct EventCursor 

pub struct EventCursor { /* private fields */ }

Snapshot-bound continuation cursor for canonical event replay.

Implementations

impl EventCursor

pub fn session_id(&self) -> TypedId<SessionIdMarker>

Session this continuation is bound to.

pub fn after_sequence(&self) -> i32

Last sequence returned before this continuation.

pub fn snapshot_high_watermark(&self) -> Option<i32>

Stable high-watermark captured by the first page.

pub fn after( session_id: TypedId<SessionIdMarker>, after_sequence: i32, ) -> Result<EventCursor, EventLogError>

Start a new snapshot after a previously observed high-watermark.

This is the polling form: the next read captures the then-current high-watermark instead of remaining pinned to an earlier snapshot.

Trait Implementations

impl Clone for EventCursor

fn clone(&self) -> EventCursor

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EventCursor

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for EventCursor

fn deserialize<__D>( __deserializer: __D, ) -> Result<EventCursor, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for EventCursor

impl PartialEq for EventCursor

fn eq(&self, other: &EventCursor) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for EventCursor

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for EventCursor