Trait CacheFactory

pub trait CacheFactory:
    Send
    + Sync
    + 'static {
    // Required method
    fn create<K, V>(&self) -> Box<dyn CacheStorage<Key = K, Value = V>>
       where K: Send + Sync + Clone + Eq + Hash + 'static,
             V: Send + Sync + Clone + 'static;
}

Available on crate feature dataloader only.

Factory for creating cache storage.

Required Methods

fn create<K, V>(&self) -> Box<dyn CacheStorage<Key = K, Value = V>>

where K: Send + Sync + Clone + Eq + Hash + 'static, V: Send + Sync + Clone + 'static,

Create a cache storage.

TODO: When GAT is stable, this memory allocation can be optimized away.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl CacheFactory for LruCache

impl CacheFactory for NoCache

impl<S: Send + Sync + BuildHasher + Default + 'static> CacheFactory for HashMapCache<S>