Struct Checkpoint 

pub struct Checkpoint {
    pub checkpoint_id: CheckpointId,
    pub parent_trace_id: TraceId,
    pub graph_hash: String,
    pub current_node: NodeId,
    pub state: State,
    pub created_at: String,
    pub snapshot: Option<StateSnapshot>,
}

Checkpoint — Materialized State + Execution Cursor。

Fields

checkpoint_id: CheckpointId

parent_trace_id: TraceId

graph_hash: String

current_node: NodeId

state: State

created_at: String

snapshot: Option<StateSnapshot>

Implementations

impl Checkpoint

pub fn new( parent_trace_id: TraceId, graph_hash: impl Into<String>, current_node: impl Into<String>, state: State, ) -> Self

pub fn with_snapshot( parent_trace_id: TraceId, graph_hash: impl Into<String>, current_node: impl Into<String>, current_state: State, base_snapshot: State, recent_deltas: Vec<StateDelta>, ) -> Self

pub fn restore_state( &self, registry: &ReducerRegistry, ) -> Result<State, StateError>

pub fn restore_state_simple(&self) -> State

Trait Implementations

impl CheckpointExt for Checkpoint

fn get_state_value(&self, key: &str) -> Option<u64>

impl Clone for Checkpoint

fn clone(&self) -> Checkpoint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Checkpoint

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Checkpoint

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Checkpoint

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

where __S: Serializer,

Serialize this value into the given Serde serializer.