Struct ObjectReader 

pub struct ObjectReader { /* private fields */ }

An AsyncFileReader that reads from an ObjectStore.

Implementations

impl ObjectReader

pub fn new(store: Arc<dyn ObjectStore>, path: Path) -> Self

Create a new ObjectReader.

Trait Implementations

impl AsyncFileReader for ObjectReader

fn get_bytes<'life0, 'async_trait>( &'life0 self, range: Range<u64>, ) -> Pin<Box<dyn Future<Output = Result<Bytes>> + Send + 'async_trait>>

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

Fetch the bytes in the given range.

fn get_byte_ranges<'life0, 'async_trait>( &'life0 self, ranges: Vec<Range<u64>>, ) -> Pin<Box<dyn Future<Output = Result<Vec<Bytes>>> + Send + 'async_trait>>

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

Fetch multiple byte ranges. The default implementation calls get_bytes sequentially; ObjectReader overrides this with get_ranges().

fn file_size<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Option<u64>>> + Send + 'async_trait>>

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

Return the total file size, if known. Used by BlockCache::pre_warm to fetch all blocks in parallel. The default returns None.

impl Clone for ObjectReader

fn clone(&self) -> ObjectReader

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ObjectReader

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

Formats the value using the given formatter.