Struct WorkflowContext 

pub struct WorkflowContext {

    pub instance_id: String,
    pub workflow_id: String,
    pub status: WorkflowStatus,
    pub current_node_id: Option<String>,
    pub inputs: HashMap<String, Value>,
    pub variables: HashMap<String, Value>,
    pub node_executions: HashMap<String, NodeExecution>,
    pub execution_path: Vec<String>,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
    pub started_at: Option<DateTime<Utc>>,
    pub finished_at: Option<DateTime<Utc>>,
    pub error: Option<String>,
}

工作流上下文

Fields

instance_id: String

工作流实例ID

workflow_id: String

工作流定义ID

status: WorkflowStatus

当前状态

current_node_id: Option<String>

当前节点ID

inputs: HashMap<String, Value>

输入参数

variables: HashMap<String, Value>

变量存储

node_executions: HashMap<String, NodeExecution>

节点执行记录

execution_path: Vec<String>

执行历史（节点ID顺序）

created_at: DateTime<Utc>

创建时间

updated_at: DateTime<Utc>

更新时间

started_at: Option<DateTime<Utc>>

开始时间

finished_at: Option<DateTime<Utc>>

结束时间

error: Option<String>

错误信息

Implementations

impl WorkflowContext

pub fn new(workflow_id: String, inputs: HashMap<String, Value>) -> Self

创建新的工作流上下文

pub fn set_variable(&mut self, key: String, value: Value)

设置变量

pub fn get_variable(&self, key: &str) -> Option<&Value>

获取变量

pub fn set_input(&mut self, key: String, value: Value)

设置输入参数

pub fn get_input(&self, key: &str) -> Option<&Value>

获取输入参数

pub fn start(&mut self)

开始工作流

pub fn complete(&mut self)

完成工作流

pub fn fail(&mut self, error: String)

失败工作流

pub fn cancel(&mut self)

取消工作流

pub fn pause(&mut self)

暂停工作流

pub fn resume(&mut self)

恢复工作流

pub fn set_current_node(&mut self, node_id: String)

设置当前节点

pub fn get_or_create_node_execution( &mut self, node_id: &str, ) -> &mut NodeExecution

获取或创建节点执行记录

pub fn get_node_execution(&self, node_id: &str) -> Option<&NodeExecution>

获取节点执行记录

pub fn total_duration_ms(&self) -> Option<i64>

获取总执行时长（毫秒）

pub fn can_continue(&self) -> bool

检查是否可以继续执行

Trait Implementations

impl Clone for WorkflowContext

fn clone(&self) -> WorkflowContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WorkflowContext

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for WorkflowContext

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for WorkflowContext

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

where __S: Serializer,

Serialize this value into the given Serde serializer.