Struct EventMetadata 

pub struct EventMetadata {
    pub event_id: String,
    pub timestamp: DateTime<Utc>,
    pub source: String,
    pub user: Option<String>,
    pub context: Option<String>,
    pub caused_by: Option<String>,
    pub version: String,
    pub properties: HashMap<String, String>,
    pub checksum: Option<String>,
}

Event metadata for tracking and provenance

Fields

event_id: String

Unique event identifier

timestamp: DateTime<Utc>

Event timestamp

source: String

Source identification

user: Option<String>

User/session that triggered the event

context: Option<String>

Operation context

caused_by: Option<String>

Causality tracking - event that caused this event

version: String

Event version for schema evolution

properties: HashMap<String, String>

Custom properties

checksum: Option<String>

Checksum for integrity

Trait Implementations

impl Clone for EventMetadata

fn clone(&self) -> EventMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EventMetadata

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

Formats the value using the given formatter.

impl Default for EventMetadata

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for EventMetadata

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<EventMetadata> for EventMetadata

Conversion from types::EventMetadata to event::EventMetadata

fn from(metadata: EventMetadata) -> Self

Converts to this type from the input type.

impl From<EventMetadata> for EventMetadata

Conversion from event::EventMetadata to types::EventMetadata

fn from(metadata: EventMetadata) -> Self

Converts to this type from the input type.

impl Serialize for EventMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.