Struct CheckpointMetadata 

pub struct CheckpointMetadata {
    pub version: u32,
    pub in_flight_tasks: u32,
    pub reason: Option<String>,
    pub custom: Value,
}

Metadata about a checkpoint.

Fields

version: u32

Version of checkpoint format.

in_flight_tasks: u32

Number of in-flight tasks at checkpoint time.

reason: Option<String>

Optional reason for checkpoint (e.g., “shutdown”, “periodic”).

custom: Value

Custom metadata fields.

Trait Implementations

impl Clone for CheckpointMetadata

fn clone(&self) -> CheckpointMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CheckpointMetadata

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

Formats the value using the given formatter.

impl Default for CheckpointMetadata

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for CheckpointMetadata

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CheckpointMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.