[−][src]Trait sp_runtime::offchain::storage_lock::Lockable

pub trait Lockable: Sized {
    type Deadline: Sized + Codec + Clone;
    fn deadline(&self) -> Self::Deadline;

    fn has_expired(deadline: &Self::Deadline) -> bool;

    fn snooze(_deadline: &Self::Deadline) { ... }
}

Lockable item for use with a persisted storage lock.

Bound for an item that has a stateful ordered meaning without explicitly requiring Ord trait in general.

Associated Types

type Deadline: Sized + Codec + Clone

An instant type specifying i.e. a point in time.

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Required methods

fn deadline(&self) -> Self::Deadline

Calculate the deadline based on a current state such as time or block number and derives the deadline.

fn has_expired(deadline: &Self::Deadline) -> bool

Verify the deadline has not expired compared to the current state, i.e. time or block number.

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Provided methods

fn snooze(_deadline: &Self::Deadline)

Snooze at least until deadline is reached.

Note that deadline is only passed to allow optimizations for Lockables which have a time based component.

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Implementors

impl Lockable for Time[src]

type Deadline = Timestamp

impl<B: BlockNumberProvider> Lockable for BlockAndTime<B>[src]

type Deadline = BlockAndTimeDeadline<B>

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