Struct StateStore 

pub struct StateStore { /* private fields */ }

State store for multiple params

Implementations

impl StateStore

pub fn new() -> Self

pub fn get(&self, address: &str) -> Option<&ParamState>

Get a param’s current state

pub fn get_value(&self, address: &str) -> Option<&Value>

Get a param’s current value

pub fn set( &mut self, address: &str, value: Value, writer: &str, revision: Option<u64>, lock: bool, unlock: bool, ) -> Result<u64, UpdateError>

Set a param value, creating if necessary

pub fn get_matching(&self, pattern: &str) -> Vec<(&str, &ParamState)>

Get all params matching a pattern

pub fn snapshot(&self) -> Vec<(&str, &ParamState)>

Get all params as a snapshot

pub fn len(&self) -> usize

Number of params

pub fn is_empty(&self) -> bool

Check if empty

pub fn remove(&mut self, address: &str) -> Option<ParamState>

Remove a param

pub fn clear(&mut self)

Clear all params

Trait Implementations

impl Debug for StateStore

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

Formats the value using the given formatter.

impl Default for StateStore

fn default() -> StateStore

Returns the “default value” for a type.