Struct holochain_wasmer_host::module::DeserializedModuleCache

pub struct DeserializedModuleCache { /* private fields */ }

Caches deserialized wasm modules. Deserialization of cached modules from the cache to create callable instances is slow. Therefore modules are cached in memory after deserialization.

Trait Implementations

impl Debug for DeserializedModuleCache

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for DeserializedModuleCache

fn default() -> DeserializedModuleCache

Returns the “default value” for a type.

impl PlruCache for DeserializedModuleCache

type Item = Module

The type of items in the cache.

fn plru_mut(&mut self) -> &mut MicroCache

Accessor for mutable reference to internal plru cache.

fn key_map_mut(&mut self) -> &mut PlruKeyMap

Mutable accessor to mapping between plru cache bits and cache keys.

fn key_map(&self) -> &PlruKeyMap

Accessor to mapping between plru cache bits and cache keys.

fn cache(&self) -> &BTreeMap<CacheKey, Arc<Self::Item>>

Accessor to the cache key addressable cache of items.

fn cache_mut(&mut self) -> &mut BTreeMap<CacheKey, Arc<Self::Item>>

Mutable accessor to the cache key addressable cache of items.

fn put_item(&mut self, key: CacheKey, item: Arc<Self::Item>) -> Arc<Self::Item>

Put an item in both the plru cache and the item cache by its cache key. If the cache is full, the roughly most stale plru will be evicted from the item cache and reassigned to the new item.

fn plru_key(&self, key: &CacheKey) -> usize

Get the plru key for a given cache key. Will panic if the mapping does not exist so the caller MUST NOT request the plru on a cache miss AND that the cache is never set such as to cause a hit without also setting the plru.

fn touch(&mut self, key: &CacheKey)

Touches the plru such that the given CacheKey becomes the most recently used item.

fn trash(&mut self, key: &CacheKey)

Delete the plru for a given cache key. Care must be taken to ensure this is not called before a subsequent call to plru_key or it will panic.

fn remove_item(&mut self, key: &CacheKey) -> Option<Arc<Self::Item>>

Remove an item from the cache and the associated plru entry.

fn get_item(&mut self, key: &CacheKey) -> Option<Arc<Self::Item>>

Attempt to retrieve an item from the cache by its cache key.