Struct EventMetadata 

pub struct EventMetadata {
    pub event_id: Uuid,
    pub timestamp: DateTime<Utc>,
    pub correlation_id: Option<Uuid>,
    pub session_id: Option<Uuid>,
    pub user_id: Option<Uuid>,
    pub source: String,
}

Metadata attached to every event.

Fields

event_id: Uuid

Unique event identifier.

timestamp: DateTime<Utc>

When the event was created.

correlation_id: Option<Uuid>

Correlation ID for tracing related events.

session_id: Option<Uuid>

Session ID if applicable.

user_id: Option<Uuid>

User ID if applicable.

source: String

Source component that generated the event.

Implementations

impl EventMetadata

pub fn new(source: impl Into<String>) -> Self

Create new event metadata.

pub fn with_correlation_id(self, id: Uuid) -> Self

Set correlation ID.

pub fn with_session_id(self, id: Uuid) -> Self

Set session ID.

pub fn with_user_id(self, id: Uuid) -> Self

Set user ID.

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 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.