Trait terminus_store::storage::FileLoad

pub trait FileLoad: Clone + Send + Sync {
    type Read: AsyncRead + Unpin + Send;

    // Required methods
    fn exists<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<bool, Error>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             Self: 'async_trait;
    fn size<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<usize, Error>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             Self: 'async_trait;
    fn open_read_from<'life0, 'async_trait>(
        &'life0 self,
        offset: usize
    ) -> Pin<Box<dyn Future<Output = Result<Self::Read, Error>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             Self: 'async_trait;
    fn map<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<Bytes, Error>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             Self: 'async_trait;

    // Provided methods
    fn open_read<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<Self::Read, Error>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             Self: 'async_trait { ... }
    fn map_if_exists<'life0, 'async_trait>(
        &'life0 self
    ) -> Pin<Box<dyn Future<Output = Result<Option<Bytes>, Error>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             Self: 'async_trait { ... }
}

Required Associated Types

type Read: AsyncRead + Unpin + Send

Required Methods

fn exists<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<bool, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

fn size<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<usize, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

fn open_read_from<'life0, 'async_trait>( &'life0 self, offset: usize ) -> Pin<Box<dyn Future<Output = Result<Self::Read, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

fn map<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<Bytes, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Provided Methods

fn open_read<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<Self::Read, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

fn map_if_exists<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<Option<Bytes>, Error>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Object Safety

This trait is not object safe.

Implementors

impl FileLoad for ConstructionFile

type Read = ConstructionFile

impl FileLoad for FileBackedStore

type Read = File

impl FileLoad for MemoryBackedStore

type Read = MemoryBackedStoreReader

impl<M: ArchiveMetadataBackend> FileLoad for ArchiveRollupFile<M>

type Read = BytesAsyncReader

impl<M: ArchiveMetadataBackend, D: ArchiveBackend> FileLoad for ArchiveLayerHandle<M, D>

type Read = ArchiveLayerHandleReader<<D as ArchiveBackend>::Read, BytesAsyncReader>

impl<M: ArchiveMetadataBackend, D: ArchiveBackend> FileLoad for PersistentFileSlice<M, D>

type Read = <D as ArchiveBackend>::Read