Struct SagaStepDescriptor 

pub struct SagaStepDescriptor {
    pub payload_content_type: &'static str,
    pub payload_schema_id: &'static str,
    pub workflow: &'static str,
    pub definition_version: u32,
    pub step: &'static str,
    pub binding: Option<&'static str>,
    pub service_type: &'static str,
    pub compensation: Compensation,
    pub cancel_mode: CancelMode,
    pub allow_unknown: bool,
    pub resolution_mode: Option<ResolutionMode>,
    pub source: &'static str,
}

业务作用：#[saga] 为每个本地步骤生成的静态合同投影。

Fields

payload_content_type: &'static str

本 handler 接受的规范媒体类型。

payload_schema_id: &'static str

本 handler 支持的稳定 schema 身份。

workflow: &'static str

workflow 名称。

definition_version: u32

definition 版本。

step: &'static str

步骤名称。

binding: Option<&'static str>

多事务域参与方使用的显式 datasource binding；单事务域可省略。

service_type: &'static str

业务 Service 类型名。

compensation: Compensation

是否可补偿。

cancel_mode: CancelMode

取消形态。

allow_unknown: bool

是否允许返回 Unknown。

resolution_mode: Option<ResolutionMode>

本地托管的解决能力。

source: &'static str

源码位置，只用于启动拒绝时定位重复合同。

Trait Implementations

impl Clone for SagaStepDescriptor

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 SagaStepDescriptor

impl Debug for SagaStepDescriptor

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

Formats the value using the given formatter.