Trait Op 

pub trait Op: Sync {
    type Output: Send;

    const LABEL: &str;
    const EFFECT: ResidencyEffect;

    // Required method
    fn execute<PM: PageMap + Sync>(
        &self,
        ctx: &FileContext<'_, PM>,
    ) -> Result<Self::Output>;

    // Provided method
    fn finish(&self) -> Result<()> { ... }
}

Required Associated Constants

const LABEL: &str

const EFFECT: ResidencyEffect

Required Associated Types

type Output: Send

Required Methods

fn execute<PM: PageMap + Sync>( &self, ctx: &FileContext<'_, PM>, ) -> Result<Self::Output>

Provided Methods

fn finish(&self) -> Result<()>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl Op for Evict

const LABEL: &str = "evicted"

const EFFECT: ResidencyEffect = ResidencyEffect::EvictAdvisory

type Output = ()

impl Op for Lock

const LABEL: &str = "locked"

const EFFECT: ResidencyEffect = ResidencyEffect::Populate

type Output = LockedFile

impl Op for Lockall

const LABEL: &str = "locked"

const EFFECT: ResidencyEffect = ResidencyEffect::Populate

type Output = LockedFile

impl Op for Query

const LABEL: &str = "resident"

const EFFECT: ResidencyEffect = ResidencyEffect::Preserve

type Output = ()

impl Op for Touch

const LABEL: &str = "touched"

const EFFECT: ResidencyEffect = ResidencyEffect::Populate

type Output = usize