Struct MessageSchema 

pub struct MessageSchema {
    pub name: String,
    pub version: u32,
    pub description: String,
    pub fields: Vec<SchemaField>,
    pub metadata: HashMap<String, String>,
    pub registered_at: u64,
}

Message schema definition

Fields

name: String

Schema name (typically the message type name)

version: u32

Schema version (incremental)

description: String

Human-readable description

fields: Vec<SchemaField>

Schema fields definition

metadata: HashMap<String, String>

Additional metadata

registered_at: u64

When this schema was registered (Unix timestamp)

Implementations

impl MessageSchema

pub fn new(name: impl Into<String>, version: u32) -> Self

Create a new schema

pub fn with_description(self, description: impl Into<String>) -> Self

Set description

pub fn with_field( self, name: impl Into<String>, field_type: impl Into<String>, required: bool, ) -> Self

Add a field

pub fn with_array_field( self, name: impl Into<String>, items: impl Into<String>, required: bool, ) -> Self

Add an array field with item type

pub fn with_metadata( self, key: impl Into<String>, value: impl Into<String>, ) -> Self

Add metadata

Trait Implementations

impl Clone for MessageSchema

fn clone(&self) -> MessageSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MessageSchema

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MessageSchema

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MessageSchema

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

where __S: Serializer,

Serialize this value into the given Serde serializer.