Struct CheckpointMetadata 

pub struct CheckpointMetadata {
    pub created_at: DateTime<Utc>,
    pub step: usize,
    pub source: String,
    pub extra: HashMap<String, Value>,
}

Metadata about a checkpoint.

Fields

created_at: DateTime<Utc>

When the checkpoint was created

step: usize

Step number when checkpoint was created

source: String

Source of the checkpoint (e.g., “pregel”, “user”)

extra: HashMap<String, Value>

Additional custom metadata

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.