Trait batch_loader::Backend

pub trait Backend: Send + 'static {
    type Value: Value;
    type Error: Debug + Clone + Send;
    fn batch_load<'a, I>(
        &self, 
        keys: I
    ) -> Result<Vec<Self::Value>, Self::Error>
    where
        I: Iterator<Item = &'a <Self::Value as Value>::Key> + 'a;
}

Trait for querier backend

Associated Types

type Value: Value

type Error: Debug + Clone + Send

Required Methods

fn batch_load<'a, I>(&self, keys: I) -> Result<Vec<Self::Value>, Self::Error> where
    I: Iterator<Item = &'a <Self::Value as Value>::Key> + 'a, 

This function provides the actual data fetching logic.

Implementors