Struct EventData 

pub struct EventData {
    pub id: EventId,
    pub event_type: EventTypeName,
    pub timestamp: u64,
    pub payload: Value,
    pub metadata: HashMap<String, String>,
}

事件数据封装

用于序列化和传输事件的通用容器。

Fields

id: EventId

事件 ID

event_type: EventTypeName

事件类型名称

timestamp: u64

事件时间戳 (Unix 毫秒)

payload: Value

事件载荷 (JSON 序列化)

metadata: HashMap<String, String>

事件元数据

Implementations

impl EventData

pub fn new<E: Event + Serialize>(event: &E) -> WaeResult<Self>

创建新的事件数据

pub fn with_metadata( self, key: impl Into<String>, value: impl Into<String>, ) -> Self

添加元数据

pub fn into_event<E: DeserializeOwned>(self) -> WaeResult<E>

反序列化为具体事件类型

pub fn id(&self) -> &str

获取事件 ID

pub fn event_type(&self) -> &str

获取事件类型

pub fn timestamp(&self) -> u64

获取时间戳

Trait Implementations

impl Clone for EventData

fn clone(&self) -> EventData

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EventData

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for EventData

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for EventData

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

where __S: Serializer,

Serialize this value into the given Serde serializer.