Struct StateStore 

pub struct StateStore { /* private fields */ }

Main state store for managing stateful operations

Implementations

impl StateStore

pub fn new(backend: StateBackend) -> Self

Create a new state store with default config

pub fn with_config(config: StateConfig) -> Self

Create a state store with custom configuration

pub fn put(&mut self, key: impl Into<String>, value: Value) -> StateResult<()>

Put a value into state

pub fn put_with_ttl( &mut self, key: impl Into<String>, value: Value, ttl: Duration, ) -> StateResult<()>

Put a value with custom TTL

pub fn get(&self, key: &str) -> StateResult<Option<Value>>

Get a value from state

pub fn update(&mut self, key: &str, value: Value) -> StateResult<()>

Update an existing value

pub fn delete(&mut self, key: &str) -> StateResult<()>

Delete a value from state

pub fn contains(&self, key: &str) -> bool

Check if a key exists

pub fn keys(&self) -> Vec<String>

Get all keys in state

pub fn clear(&mut self) -> StateResult<()>

Clear all state

pub fn len(&self) -> usize

Get the number of entries in state

pub fn is_empty(&self) -> bool

Check if state is empty

pub fn cleanup_expired(&mut self) -> usize

Clean up expired entries

pub fn checkpoint(&mut self, name: impl Into<String>) -> StateResult<String>

Create a checkpoint of current state

pub fn restore(&mut self, checkpoint_id: &str) -> StateResult<()>

Restore state from a checkpoint

pub fn list_checkpoints(&self) -> Vec<CheckpointMetadata>

List all checkpoints

pub fn latest_checkpoint(&self) -> Option<CheckpointMetadata>

Get the latest checkpoint

pub fn statistics(&self) -> StateStatistics

Get state statistics