Struct Checkpoint 

pub struct Checkpoint {
    pub timestamp: String,
    pub current_node: String,
    pub completed_nodes: Vec<String>,
    pub node_retries: HashMap<String, u32>,
    pub node_statuses: HashMap<String, StageStatus>,
    pub context: ContextSnapshot,
    pub log: Vec<LogEntry>,
}

Serializable checkpoint for a pipeline run.

Fields

timestamp: String

ISO 8601 timestamp of when this checkpoint was created.

current_node: String

Current node ID being executed (or last completed).

completed_nodes: Vec<String>

Set of completed node IDs.

node_retries: HashMap<String, u32>

Retry counts per node.

node_statuses: HashMap<String, StageStatus>

Status of each visited node.

context: ContextSnapshot

Context snapshot at checkpoint time.

log: Vec<LogEntry>

Execution log entries.

Implementations

impl Checkpoint

pub fn new(current_node: &str, context: ContextSnapshot) -> Self

Create a new checkpoint at the given node.

pub fn mark_completed(&mut self, node_id: &str, status: StageStatus)

Mark a node as completed.

pub fn increment_retry(&mut self, node_id: &str) -> u32

Increment retry count for a node.

pub fn retry_count(&self, node_id: &str) -> u32

Get retry count for a node.

pub fn log(&mut self, node_id: &str, message: impl Into<String>)

Add a log entry.

pub fn save(&self, path: &Path) -> Result<()>

Save checkpoint to a file.

pub fn load(path: &Path) -> Result<Self>

Load checkpoint from a file.

Trait Implementations

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.