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SagaManagementContext

Struct SagaManagementContext 

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pub struct SagaManagementContext { /* private fields */ }
Expand description

业务作用:携带认证主体、操作原因和冻结权限集,是全部人工控制入口的强制参数。

actor 必须是认证层给出的稳定主体 id,禁止直接使用请求体中的显示名;reason 是事故单/变更单关联所需的人类可读原因,不得包含控制字符或敏感 payload。

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impl SagaManagementContext

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pub fn new( actor: impl Into<String>, reason: impl Into<String>, permissions: impl IntoIterator<Item = SagaManagementPermission>, ) -> Result<Self>

业务作用:校验并冻结一次管理调用的主体、原因和权限快照。

参数说明:

  • actor: 已认证稳定主体 id,最多 128 字节。
  • reason: 操作原因或工单摘要,最多 512 字节。
  • permissions: 认证层为当前请求授予的最小权限集合。

返回:字段合法时返回上下文;空值、首尾空白、控制字符或超长输入返回错误。

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pub fn actor(&self) -> &str

业务作用:读取认证主体稳定 id,供同事务审计持久化。

参数说明: 无。

返回:actor 字符串切片。

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pub fn reason(&self) -> &str

业务作用:读取本次管理动作原因,供同事务审计与事故复盘。

参数说明: 无。

返回:reason 字符串切片。

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pub fn require(&self, required: SagaManagementPermission) -> Result<()>

业务作用:在任何持久化读取或副作用前执行最小权限门禁。

参数说明:

  • required: 当前管理动作要求的权限。

返回:权限存在返回成功;缺失时返回不含业务数据的拒绝错误。

Trait Implementations§

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impl Clone for SagaManagementContext

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for SagaManagementContext

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

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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