Struct Event 

pub struct Event {
    pub topic: Topic,
    pub payload: String,
    pub source: Option<HatId>,
    pub target: Option<HatId>,
    pub wave_id: Option<String>,
    pub wave_index: Option<u32>,
    pub wave_total: Option<u32>,
}

An event in the pub/sub system.

Fields

topic: Topic

The routing topic for this event.

payload: String

The content/payload of the event.

source: Option<HatId>

The hat that published this event (if any).

target: Option<HatId>

Optional target hat for direct handoff.

wave_id: Option<String>

Wave correlation ID (e.g., “w-1a2b3c4d”).

wave_index: Option<u32>

Index of this event within the wave (0-based).

wave_total: Option<u32>

Total number of events in the wave.

Implementations

impl Event

pub fn new(topic: impl Into<Topic>, payload: impl Into<String>) -> Self

Creates a new event with the given topic and payload.

pub fn with_source(self, source: impl Into<HatId>) -> Self

Sets the source hat for this event.

pub fn with_target(self, target: impl Into<HatId>) -> Self

Sets the target hat for direct handoff.

pub fn with_wave( self, wave_id: impl Into<String>, index: u32, total: u32, ) -> Self

Sets wave correlation metadata on this event.

pub fn is_wave_event(&self) -> bool

Returns true if this event has wave correlation metadata.

Trait Implementations

impl Clone for Event

fn clone(&self) -> Event

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Event

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Event

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Event

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

where __S: Serializer,

Serialize this value into the given Serde serializer.