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WorkflowErrorCode

sz_rust_workflow::error

Enum WorkflowErrorCode 

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#[non_exhaustive]
pub enum WorkflowErrorCode {

Show 28 variants    FormatUnsupported,
    StructureIncomplete,
    UnreachableNode,
    CannotTerminate,
    PluginUnavailable,
    DefinitionConflict,
    NoMatchingTransition,
    GuardTypeError,
    TransitionPersistFailed,
    GuardSideEffect,
    InstanceNotFound,
    GuardEvalFailed,
    OptimisticLockConflict,
    NoCandidates,
    WithdrawNotFirstNode,
    UnauthorizedHandle,
    InstanceNotHandleable,
    TaskNotHandleable,
    AddSignTargetInvalid,
    CapabilityNotFound,
    CapabilityTimeout,
    CandidateFormatError,
    PluginOutputSchemaFailed,
    InstanceSuspended,
    NotAdmin,
    IllegalStatusTransition,
    DefinitionNotFound,
    VersionNotFound,

}
Expand description

工作流引擎错误码，覆盖 WF_001～WF_051，按功能分区。

区段功能数量
WF_001-009定义加载5
WF_010-019状态机5
WF_020-029审批流5
WF_030-039插件节点4
WF_040-049实例管理3
WF_050-099设计器 API2

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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FormatUnsupported

WF_001：定义格式不支持或解析失败

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StructureIncomplete

WF_002：定义结构不完整（缺必需字段/节点）

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UnreachableNode

WF_003：存在不可达节点（Warning 级）

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CannotTerminate

WF_004：流程无法终止（无 end 节点或存在无法到达 end 的节点）

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PluginUnavailable

WF_005：插件节点引用的插件未启用或命名规范违规

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DefinitionConflict

WF_006：定义冲突（同 flow_key+version 已存在）

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NoMatchingTransition

WF_010：无匹配迁移（当前状态不接受该事件）

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GuardTypeError

WF_011：守卫表达式求值类型错误（非布尔）

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TransitionPersistFailed

WF_012：迁移持久化失败

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GuardSideEffect

WF_013：守卫表达式含副作用调用

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InstanceNotFound

WF_014：实例不存在

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GuardEvalFailed

WF_015：守卫求值失败（引用不存在字段等）

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OptimisticLockConflict

WF_016：乐观锁冲突（实例版本号不匹配）

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NoCandidates

WF_020：候选人为空集合

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WithdrawNotFirstNode

WF_021：撤回非首个审批节点

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UnauthorizedHandle

WF_022：越权办理（actor 不属于候选人集合）

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InstanceNotHandleable

WF_023：实例非 running 状态，不可办理

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TaskNotHandleable

WF_024：任务非 pending 状态，不可办理

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AddSignTargetInvalid

WF_026：加签目标非法

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CapabilityNotFound

WF_030：能力不存在

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CapabilityTimeout

WF_031：能力调用超时

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CandidateFormatError

WF_032：候选人能力返回格式错误（非数组）

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PluginOutputSchemaFailed

WF_033：插件节点输出 Schema 校验失败

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InstanceSuspended

WF_040：实例已挂起，拒绝事件与办理

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NotAdmin

WF_041：非管理员无权操作

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IllegalStatusTransition

WF_042：实例状态非法转换

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DefinitionNotFound

WF_050：定义不存在（导出/查询时）

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VersionNotFound

WF_051：版本不存在（设置生效版本时）

Implementations§

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impl WorkflowErrorCode

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pub fn as_code(&self) -> &'static str

返回 WF_xxx 格式的错误码字符串。

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pub fn http_status(&self) -> u16

映射 HTTP 状态码。

错误码HTTP语义
WF_014/WF_050/WF_051404资源不存在
WF_022/WF_041403越权
WF_006/WF_016/WF_042409冲突
WF_023/WF_024/WF_021/WF_026409状态冲突
WF_040409实例挂起
其他400请求错误

Trait Implementations§

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impl Clone for WorkflowErrorCode

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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 Copy for WorkflowErrorCode

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impl Debug for WorkflowErrorCode

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for WorkflowErrorCode

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for WorkflowErrorCode

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

Formats the value using the given formatter. Read more
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impl Eq for WorkflowErrorCode

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impl Hash for WorkflowErrorCode

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for WorkflowErrorCode

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl Serialize for WorkflowErrorCode

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

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for WorkflowErrorCode

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