Struct MessageMetadata 

pub struct MessageMetadata {
    pub id: String,
    pub content: String,
    pub timestamp: String,
    pub topic_id: Option<String>,
    pub partition_id: Option<usize>,
    pub schema: Option<MessageSchema>,
}

Represents metadata for a message in the broker

Fields

id: String

The unique identifier of the message

content: String

The content of the message

timestamp: String

The timestamp when the message was created

topic_id: Option<String>

The topic this message belongs to

partition_id: Option<usize>

The partition this message belongs to

schema: Option<MessageSchema>

The schema of the message, if any

Implementations

impl MessageMetadata

pub fn new(id: String, content: String, timestamp: String) -> Self

Creates a new instance of MessageMetadata

pub fn with_topic(self, topic_id: String) -> Self

Sets the topic ID for this metadata

pub fn with_partition(self, partition_id: usize) -> Self

Sets the partition ID for this metadata

pub fn with_schema(self, schema: MessageSchema) -> Self

Sets the schema for this metadata

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 From<Message> for MessageMetadata

fn from(msg: Message) -> Self

Converts to this type from the input type.

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.