Struct Snapshot 

pub struct Snapshot {
    pub id: Uuid,
    pub entity_id: String,
    pub state: Value,
    pub created_at: DateTime<Utc>,
    pub as_of: DateTime<Utc>,
    pub event_count: usize,
    pub metadata: SnapshotMetadata,
}

A point-in-time snapshot of entity state

Fields

id: Uuid

Unique snapshot identifier

entity_id: String

Entity this snapshot represents

state: Value

The state data at this point in time

created_at: DateTime<Utc>

Timestamp when this snapshot was created

as_of: DateTime<Utc>

Last event timestamp included in this snapshot

event_count: usize

Number of events processed to create this snapshot

metadata: SnapshotMetadata

Metadata about the snapshot

Implementations

impl Snapshot

pub fn new( entity_id: String, state: Value, as_of: DateTime<Utc>, event_count: usize, snapshot_type: SnapshotType, ) -> Self

Create a new snapshot from entity state

pub fn merge_with_events(&self, events: &[Event]) -> Value

Merge this snapshot with subsequent events to get current state

Trait Implementations

impl Clone for Snapshot

fn clone(&self) -> Snapshot

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Snapshot

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Snapshot

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<Snapshot> for SnapshotInfo

fn from(snapshot: Snapshot) -> Self

Converts to this type from the input type.

impl Serialize for Snapshot

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

where __S: Serializer,

Serialize this value into the given Serde serializer.