Struct MessageMetadata 

pub struct MessageMetadata {
    pub received_at: DateTime<Utc>,
    pub attempt: u32,
    pub source: String,
    pub correlation_id: Option<String>,
    pub routing_key: Option<String>,
}

Metadata associated with a message.

Fields

received_at: DateTime<Utc>

When the message was received

attempt: u32

Number of processing attempts

source: String

Source of the message (queue name, stream name, etc.)

correlation_id: Option<String>

Optional correlation ID for distributed tracing

routing_key: Option<String>

RabbitMQ routing key (if applicable)

Implementations

impl MessageMetadata

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

Create new message metadata with current timestamp.

pub fn with_correlation_id(self, correlation_id: impl Into<String>) -> Self

Set the correlation ID for distributed tracing.

pub fn with_routing_key(self, routing_key: impl Into<String>) -> Self

Set the routing key (for RabbitMQ messages).

pub fn increment_attempt(&mut self)

Increment the attempt counter.

Trait Implementations

impl Clone for MessageMetadata

fn clone(&self) -> MessageMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MessageMetadata

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MessageMetadata

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MessageMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.