Trait InvalidationBus 

pub trait InvalidationBus: Send + Sync {
    // Required methods
    fn publish(&self, message: InvalidationMessage);
    fn subscribe(&self) -> Box<dyn Iterator<Item = InvalidationMessage> + Send>;
}

缓存失效总线 trait

用于跨实例缓存失效：当一个实例失效了某张表的缓存时， 通过总线通知其他订阅者同步失效。

Required Methods

fn publish(&self, message: InvalidationMessage)

发布失效消息

fn subscribe(&self) -> Box<dyn Iterator<Item = InvalidationMessage> + Send>

订阅失效消息（返回一个迭代器，drain 当前缓冲的消息）

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl InvalidationBus for LocalInvalidationBus