Struct WorkflowCheckpoint 

pub struct WorkflowCheckpoint {
    pub version: u32,
    pub created_at: DateTime<Utc>,
    pub sequence: u64,
    pub state: WorkflowState,
    pub dag: WorkflowDag,
}

Workflow checkpoint containing both state and DAG for recovery.

Fields

version: u32

Checkpoint version for compatibility.

created_at: DateTime<Utc>

Timestamp when checkpoint was created.

sequence: u64

Checkpoint sequence number (increments with each save).

state: WorkflowState

The workflow state.

dag: WorkflowDag

The workflow DAG definition.

Implementations

impl WorkflowCheckpoint

pub const CURRENT_VERSION: u32 = 1

Current checkpoint format version.

pub fn new(state: WorkflowState, dag: WorkflowDag, sequence: u64) -> Self

Create a new checkpoint from state and DAG.

pub fn get_pending_tasks(&self) -> Vec<String>

Get tasks that need to be executed (pending or failed but retriable).

pub fn get_interrupted_tasks(&self) -> Vec<String>

Get tasks that were running when checkpoint was saved (need retry).

pub fn get_completed_tasks(&self) -> Vec<String>

Get tasks that completed successfully.

pub fn get_failed_tasks(&self) -> Vec<String>

Get tasks that failed (not retriable).

pub fn get_skipped_tasks(&self) -> Vec<String>

Get tasks that were skipped.

pub fn are_dependencies_satisfied(&self, task_id: &str) -> bool

Check if all dependencies for a task are satisfied.

pub fn get_ready_tasks(&self) -> Vec<String>

Get tasks ready to execute (pending with satisfied dependencies).

pub fn prepare_for_resume(&mut self) -> Result<()>

Prepare state for resumption by resetting interrupted tasks.

Trait Implementations

impl Clone for WorkflowCheckpoint

fn clone(&self) -> WorkflowCheckpoint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WorkflowCheckpoint

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for WorkflowCheckpoint

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for WorkflowCheckpoint

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

where __S: Serializer,

Serialize this value into the given Serde serializer.