Struct Message 

pub struct Message {
    pub message_id: String,
    pub context_id: Option<String>,
    pub task_id: Option<String>,
    pub from_user: bool,
    pub parts: Vec<Part>,
    pub metadata: Option<Value>,
    pub extensions: Vec<String>,
}

An A2A message.

Fields

message_id: String

Unique per message (the idempotency key).

context_id: Option<String>

The conversation.

task_id: Option<String>

Continues this task (an answer to input-required).

from_user: bool

From the caller (user) rather than the agent.

parts: Vec<Part>

Content.

metadata: Option<Value>

Extension data.

extensions: Vec<String>

Extensions this message uses.

Implementations

impl Message

pub fn user(message_id: &str, context_id: &str, parts: Vec<Part>) -> Self

A message from the caller.

pub fn agent(parts: Vec<Part>) -> Self

A message from the agent (the callee).

pub fn text(&self) -> String

The text parts, joined.

pub fn data(&self) -> Option<&Value>

The first data part.

pub fn with_context(self, context: &DelegationContext) -> Self

Attaches the delegation context.

pub fn context(&self) -> Option<DelegationContext>

The delegation context, when present and valid.

pub fn to_wire(&self, version: Version) -> Value

The message in version’s shape.

pub fn from_wire(value: &Value) -> Option<Self>

A message in either version’s shape.

Trait Implementations

impl Clone for Message

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Message

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

Formats the value using the given formatter.

impl PartialEq for Message

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Message