Struct ShardedRwLock 

pub struct ShardedRwLock<K, V>
where
    K: Hash + Eq,
{ /* private fields */ }

Sharded read-write lock for concurrent access

Implementations

impl<K, V> ShardedRwLock<K, V>

where K: Hash + Eq,

pub fn new() -> Self

Create a new sharded RwLock with default shard count

pub fn with_shard_count(shard_count: usize) -> Self

Create a new sharded RwLock with specified shard count

pub fn insert(&self, key: K, value: V) -> Option<V>

Insert a key-value pair

pub fn get<Q>(&self, key: &Q) -> Option<V>

where K: Borrow<Q>, Q: Hash + Eq + ?Sized, V: Clone,

Get a value by key

pub fn remove<Q>(&self, key: &Q) -> Option<V>

where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

Remove a key-value pair

pub fn contains_key<Q>(&self, key: &Q) -> bool

where K: Borrow<Q>, Q: Hash + Eq + ?Sized,

Check if a key exists

pub fn len(&self) -> usize

Get the total number of entries across all shards

pub fn is_empty(&self) -> bool

Check if the sharded map is empty

pub fn clear(&self)

Clear all entries from all shards

pub fn with_shard_read<Q, F, R>(&self, key: &Q, f: F) -> R

where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&HashMap<K, V>) -> R,

Execute a function with read access to a specific shard

pub fn with_shard_write<Q, F, R>(&self, key: &Q, f: F) -> R

where K: Borrow<Q>, Q: Hash + Eq + ?Sized, F: FnOnce(&mut HashMap<K, V>) -> R,

Execute a function with write access to a specific shard

pub fn shard_stats(&self) -> ShardStats

Get statistics about shard distribution

Trait Implementations

impl<K, V: Debug> Debug for ShardedRwLock<K, V>

where K: Hash + Eq + Debug,

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

Formats the value using the given formatter.

impl<K, V> Default for ShardedRwLock<K, V>

where K: Hash + Eq,

fn default() -> Self

Returns the “default value” for a type.