Struct Message 

pub struct Message<T> {
    pub topic: String,
    pub payload: T,
    pub offset: Option<i64>,
    pub partition: Option<i32>,
}

A streaming message wrapping a typed payload with topic and offset metadata.

Fields

topic: String

Topic from which the message was received or to which it will be sent.

payload: T

Typed message payload.

offset: Option<i64>

Backend offset, when provided by the streaming provider.

partition: Option<i32>

Backend partition, when provided by the streaming provider.

Implementations

impl<T> Message<T>

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

Create a message with topic and payload metadata.

pub fn with_offset(self, offset: i64) -> Self

Attach a backend offset to the message.

pub fn with_partition(self, partition: i32) -> Self

Attach a backend partition to the message.

Trait Implementations

impl<T: Clone> Clone for Message<T>

fn clone(&self) -> Message<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for Message<T>

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

Formats the value using the given formatter.

impl<'de, T> Deserialize<'de> for Message<T>

where T: Deserialize<'de>,

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T> Serialize for Message<T>

where T: Serialize,

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

where __S: Serializer,

Serialize this value into the given Serde serializer.