Struct FlowInstance 

pub struct FlowInstance {
    pub instance_id: String,
    pub flow_key: String,
    pub version: Version,
    pub status: InstanceStatus,
    pub current_nodes: Vec<String>,
    pub context: Value,
    pub version_lock: u64,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
    pub initiator: String,
}

流程实例，对齐 design 2.3.2 类图。

Fields

instance_id: String

flow_key: String

version: Version

status: InstanceStatus

current_nodes: Vec<String>

当前所在节点（并行网关可能多节点）

context: Value

流程上下文

version_lock: u64

乐观锁版本号

created_at: DateTime<Utc>

updated_at: DateTime<Utc>

initiator: String

Implementations

impl FlowInstance

pub fn new( instance_id: impl Into<String>, flow_key: impl Into<String>, version: Version, initiator: impl Into<String>, context: Value, start_node: impl Into<String>, ) -> Self

pub fn bump_version(&mut self)

自增版本锁并更新时间戳。

Trait Implementations

impl Clone for FlowInstance

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FlowInstance

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for FlowInstance

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for FlowInstance

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for FlowInstance

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for FlowInstance