Trait engula_kernel::Kernel

pub trait Kernel: Clone + Send + Sync + 'static {
    type Stream: Stream;
    type Bucket: Bucket;
    fn stream<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<Self::Stream>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
    fn bucket<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<Self::Bucket>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
    fn apply_update<'life0, 'async_trait>(
        &'life0 self, 
        update: KernelUpdate
    ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
    fn current_version<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<Arc<Version>>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
    fn version_updates<'life0, 'async_trait>(
        &'life0 self, 
        sequence: Sequence
    ) -> Pin<Box<dyn Future<Output = ResultStream<Arc<VersionUpdate>>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
}

An interface to interact with a kernel.

Associated Types

type Stream: Stream

type Bucket: Bucket

Required methods

fn stream<'life0, 'async_trait>(
    &'life0 self
) -> Pin<Box<dyn Future<Output = Result<Self::Stream>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Returns a journal stream.

fn bucket<'life0, 'async_trait>(
    &'life0 self
) -> Pin<Box<dyn Future<Output = Result<Self::Bucket>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Returns a storage bucket.

fn apply_update<'life0, 'async_trait>(
    &'life0 self,
    update: KernelUpdate
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Applies a kernel update.

fn current_version<'life0, 'async_trait>(
    &'life0 self
) -> Pin<Box<dyn Future<Output = Result<Arc<Version>>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Returns the current version.

fn version_updates<'life0, 'async_trait>(
    &'life0 self,
    sequence: Sequence
) -> Pin<Box<dyn Future<Output = ResultStream<Arc<VersionUpdate>>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Returns a stream of version updates since a given sequence (inclusive).

Implementors

impl Kernel for Kernel

type Bucket = Bucket

type Stream = Stream