Struct zng::config::ReadOnlyConfig

pub struct ReadOnlyConfig<C>
where
    C: Config,
{ /* private fields */ }

Config wrapper that only provides read-only variables from the inner config.

Implementations

impl<C> ReadOnlyConfig<C>

where C: Config,

pub fn new(cfg: C) -> ReadOnlyConfig<C>

New reading from cfg.

Trait Implementations

impl<C> AnyConfig for ReadOnlyConfig<C>

where C: Config,

fn get_raw( &mut self, key: Txt, default: RawConfigValue, _: bool, shared: bool, ) -> Box<dyn VarBoxed<RawConfigValue>>

Gets a weak typed variable to the config key.

fn contains_key(&mut self, key: Txt) -> Box<dyn VarBoxed<bool>>

Gets a read-only variable that tracks if an entry for the key is in the backing storage.

fn status(&self) -> Box<dyn VarBoxed<ConfigStatus>>

Gets a read-only variable that represents the IO status of the config.

fn remove(&mut self, _key: &Txt) -> bool

Removes the key from the backing storage.

fn low_memory(&mut self)

Cleanup and flush RAM caches.

impl<C> Config for ReadOnlyConfig<C>

where C: Config,

fn get<T>( &mut self, key: impl Into<Txt>, default: T, _: bool, ) -> Box<dyn VarBoxed<T>>

where T: ConfigValue,

Gets a variable that is bound to the config key.