Struct kubos_service::Context

pub struct Context<T> {
    pub subsystem: T,
    pub storage: Arc<RwLock<HashMap<String, String>>>,
}

Context struct used by a service to provide Juniper context, subsystem access and persistent storage.

Fields

subsystem: T

storage: Arc<RwLock<HashMap<String, String>>>

Methods

impl<T> Context<T>

pub fn subsystem(&self) -> &T

Returns a reference to the context's subsystem instance

pub fn get(&self, name: &str) -> String

Attempts to get a value from the context's storage

Arguments

name - Key to search for in storage

pub fn set(&self, key: &str, value: &str)

Sets a value in the context's storage

Arguments

key - Key to store value under value - Value to store

pub fn clear(&self, name: &str)

Clears a single key/value from storage

Arguments

key - Key to clear (along with corresponding value)

pub fn clear_all(&self)

Clears all key/value pairs from storage

Trait Implementations

impl<T: Clone> Clone for Context<T>

fn clone(&self) -> Context<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T> Context for Context<T>