Struct StreamEvent 

pub struct StreamEvent {
    pub id: String,
    pub event_type: String,
    pub data: HashMap<String, Value>,
    pub metadata: EventMetadata,
}

A streaming event with payload and metadata

Fields

id: String

Unique event identifier

event_type: String

Event type/category

data: HashMap<String, Value>

Event payload data

metadata: EventMetadata

Event metadata

Implementations

impl StreamEvent

pub fn new( event_type: impl Into<String>, data: HashMap<String, Value>, source: impl Into<String>, ) -> Self

Create a new stream event

pub fn with_timestamp( event_type: impl Into<String>, data: HashMap<String, Value>, source: impl Into<String>, timestamp: u64, ) -> Self

Create event with specific timestamp

pub fn age_ms(&self) -> u64

Get event age in milliseconds

pub fn matches_pattern(&self, pattern: &EventPattern) -> bool

Check if event matches a pattern

pub fn add_tag(&mut self, key: impl Into<String>, value: impl Into<String>)

Add tag to event metadata

pub fn get_numeric(&self, field: &str) -> Option<f64>

Get numeric value from event data

pub fn get_string(&self, field: &str) -> Option<&str>

Get string value from event data

pub fn get_boolean(&self, field: &str) -> Option<bool>

Get boolean value from event data

Trait Implementations

impl Clone for StreamEvent

fn clone(&self) -> StreamEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StreamEvent

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for StreamEvent

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for StreamEvent

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

where __S: Serializer,

Serialize this value into the given Serde serializer.