Trait CallbackMetadataClient 

pub trait CallbackMetadataClient:
    Clone
    + Send
    + Sync
    + 'static {
    type Ownership: Clone + Send + Sync + 'static;
    type Error: Display;

    // Required method
    fn invoke_metadata_callback(
        &self,
        ownership: Self::Ownership,
        namespace: &str,
        payload: Vec<u8>,
        timeout: Duration,
    ) -> Result<(String, Vec<u8>), Self::Error>;
}

Required Associated Types

type Ownership: Clone + Send + Sync + 'static

type Error: Display

Required Methods

fn invoke_metadata_callback( &self, ownership: Self::Ownership, namespace: &str, payload: Vec<u8>, timeout: Duration, ) -> Result<(String, Vec<u8>), Self::Error>

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors