Enum CommandDeliveryDisposition 

pub enum CommandDeliveryDisposition {
    Retry,
    Defer,
    DeadLetter,
}

业务作用：把 Participant command 失败收敛为 transport 可执行的保留、持续收敛或隔离动作。

Variants

Retry

普通瞬态失败，保留消息并消耗有界重试预算。

Defer

提交或回滚结果不确定，保留消息且不消耗隔离预算。

DeadLetter

来源、身份或合同确定性非法，允许进入耐久 DLT。

Trait Implementations

impl Clone for CommandDeliveryDisposition

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for CommandDeliveryDisposition

impl Debug for CommandDeliveryDisposition

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

Formats the value using the given formatter.

impl Eq for CommandDeliveryDisposition

impl PartialEq for CommandDeliveryDisposition

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for CommandDeliveryDisposition