Struct Context

pub struct Context {
    pub schedule: UpdateCheckSchedule,
    pub state: ProtocolState,
}

The Context provides the protocol context for a given update check operation.

The Context provides the information that’s passed to the Policy to allow it to properly reason about what can and cannot be done at this time.

Fields

schedule: UpdateCheckSchedule

The last-computed time to next check for an update.

state: ProtocolState

The state of the protocol (retries, errors, etc.) as of the last update check that was attempted.

Implementations

impl Context

pub async fn load(storage: &impl Storage) -> Self

Load and initialize update check context from persistent storage.

pub async fn persist<'a>(&'a self, storage: &'a mut impl Storage)

Persist data in Context to |storage|, will try to set all of them to storage even if previous set fails. It will NOT call commit() on |storage|, caller is responsible to call commit().

Trait Implementations

impl Clone for Context

fn clone(&self) -> Context

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Context

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

Formats the value using the given formatter.