Struct BusMessage 

pub struct BusMessage {
    pub id: Uuid,
    pub message_type: MessageType,
    pub source: Uuid,
    pub payload: String,
    pub timestamp: i64,
    pub correlation_id: Option<Uuid>,
    pub headers: HashMap<String, String>,
}

A message that flows through the bus.

Fields

id: Uuid

Unique message identifier

message_type: MessageType

Message type / topic

source: Uuid

Source node that sent the message

payload: String

Serialized payload

timestamp: i64

Unix timestamp when the message was created

correlation_id: Option<Uuid>

Optional correlation ID for request-reply patterns

headers: HashMap<String, String>

Message headers (metadata)

Implementations

impl BusMessage

pub fn new(message_type: MessageType, source: Uuid, payload: &str) -> Self

Creates a new bus message.

pub fn with_correlation(self, correlation_id: Uuid) -> Self

Sets a correlation ID for request-reply patterns.

pub fn with_header(self, key: &str, value: &str) -> Self

Adds a header to the message.

pub fn age_secs(&self, now: i64) -> i64

Returns the age of the message in seconds relative to a reference time.

Trait Implementations

impl Clone for BusMessage

fn clone(&self) -> BusMessage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BusMessage

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for BusMessage

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for BusMessage

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

where __S: Serializer,

Serialize this value into the given Serde serializer.