Skip to main content

Middleware

kojin_core::middleware

Trait Middleware 

Source 
pub trait Middleware:
    Send
    + Sync
    + 'static {
    // Provided methods
    fn before<'life0, 'life1, 'async_trait>(
        &'life0 self,
        message: &'life1 TaskMessage,
    ) -> Pin<Box<dyn Future<Output = Result<(), KojinError>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait { ... }
    fn after<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        message: &'life1 TaskMessage,
        result: &'life2 Value,
    ) -> Pin<Box<dyn Future<Output = Result<(), KojinError>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait { ... }
    fn on_error<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        message: &'life1 TaskMessage,
        error: &'life2 KojinError,
    ) -> Pin<Box<dyn Future<Output = Result<(), KojinError>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait { ... }
}
Expand description

Middleware hook for task execution pipeline.

Provided Methods§

Source

fn before<'life0, 'life1, 'async_trait>( &'life0 self, message: &'life1 TaskMessage, ) -> Pin<Box<dyn Future<Output = Result<(), KojinError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Called before task execution. Return Err to abort.

Source

fn after<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, message: &'life1 TaskMessage, result: &'life2 Value, ) -> Pin<Box<dyn Future<Output = Result<(), KojinError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Called after successful task execution.

Source

fn on_error<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, message: &'life1 TaskMessage, error: &'life2 KojinError, ) -> Pin<Box<dyn Future<Output = Result<(), KojinError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Called when task execution fails.

Implementors§