Struct akd::storage::memory::AsyncInMemoryDbWithCache

pub struct AsyncInMemoryDbWithCache { /* fields omitted */ }

Represents an in-memory database with caching and metric calculation for benchmarking

Implementations

impl AsyncInMemoryDbWithCache

pub fn new() -> Self

Creates a new in memory db with caching

pub async fn clear_stats(&self)

Flushes the cache and clearn any associated stats

pub async fn print_stats(&self)

Prints db states

pub async fn print_hashmap_distribution(&self)

Prints the distribution of the lengths of entries in a db

Trait Implementations

impl Clone for AsyncInMemoryDbWithCache

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AsyncInMemoryDbWithCache

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

Formats the value using the given formatter.

impl Default for AsyncInMemoryDbWithCache

fn default() -> Self

Returns the “default value” for a type.

impl Storage for AsyncInMemoryDbWithCache

fn log_metrics<'life0, 'async_trait>(
    &'life0 self,
    level: Level
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Log some information about the cache (hit rate, etc)

fn begin_transaction<'life0, 'async_trait>(
    &'life0 mut self
) -> Pin<Box<dyn Future<Output = bool> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Start a transaction in the storage layer

fn commit_transaction<'life0, 'async_trait>(
    &'life0 mut self
) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Commit a transaction in the storage layer

fn rollback_transaction<'life0, 'async_trait>(
    &'life0 mut self
) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Rollback a transaction

fn is_transaction_active<'life0, 'async_trait>(
    &'life0 self
) -> Pin<Box<dyn Future<Output = bool> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Retrieve a flag determining if there is a transaction active

fn set<'life0, 'async_trait>(
    &'life0 self,
    record: DbRecord
) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Set a record in the data layer

fn batch_set<'life0, 'async_trait>(
    &'life0 self,
    records: Vec<DbRecord>
) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Set multiple records in transactional operation

fn get<'life0, 'async_trait, St: Storable>(
    &'life0 self,
    id: St::Key
) -> Pin<Box<dyn Future<Output = Result<DbRecord, StorageError>> + Send + 'async_trait>> where
    St: 'async_trait,
    'life0: 'async_trait,
    Self: 'async_trait, 

Retrieve a stored record from the data layer

fn batch_get<'life0, 'async_trait, St: Storable>(
    &'life0 self,
    ids: Vec<St::Key>
) -> Pin<Box<dyn Future<Output = Result<Vec<DbRecord>, StorageError>> + Send + 'async_trait>> where
    St: 'async_trait,
    'life0: 'async_trait,
    Self: 'async_trait, 

Retrieve a batch of records by id

fn get_user_data<'life0, 'life1, 'async_trait>(
    &'life0 self,
    username: &'life1 AkdKey
) -> Pin<Box<dyn Future<Output = Result<KeyData, StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    Self: 'async_trait, 

Retrieve the user data for a given user

fn get_user_state<'life0, 'life1, 'async_trait>(
    &'life0 self,
    username: &'life1 AkdKey,
    flag: ValueStateRetrievalFlag
) -> Pin<Box<dyn Future<Output = Result<ValueState, StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    Self: 'async_trait, 

Retrieve a specific state for a given user

fn get_user_state_versions<'life0, 'life1, 'async_trait>(
    &'life0 self,
    keys: &'life1 [AkdKey],
    flag: ValueStateRetrievalFlag
) -> Pin<Box<dyn Future<Output = Result<HashMap<AkdKey, u64>, StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    Self: 'async_trait, 

Retrieve the user -> state version mapping in bulk. This is the same as get_user_states but with less data retrieved from the storage layer

fn get_epoch_lte_epoch<'life0, 'async_trait>(
    &'life0 self,
    node_label: NodeLabel,
    epoch_in_question: u64
) -> Pin<Box<dyn Future<Output = Result<u64, StorageError>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Retrieve the last epoch <= epoch_in_question where the node with node_key was edited

fn build_azks(latest_epoch: u64, num_nodes: u64) -> Azks

Build an azks instance from the properties

fn build_history_tree_node(
    label_val: u64,
    label_len: u32,
    birth_epoch: u64,
    last_epoch: u64,
    parent_label_val: u64,
    parent_label_len: u32,
    node_type: u8
) -> HistoryTreeNode

Build a history tree node from the properties

fn build_history_node_state(
    value: Vec<u8>,
    child_states: [Option<HistoryChildState>; 2],
    label_len: u32,
    label_val: u64,
    epoch: u64
) -> HistoryNodeState

Build a history node state from the properties

fn build_user_state(
    username: String,
    plaintext_val: String,
    version: u64,
    label_len: u32,
    label_val: u64,
    epoch: u64
) -> ValueState

Build a user state from the properties

impl Send for AsyncInMemoryDbWithCache

impl Sync for AsyncInMemoryDbWithCache