Enum BlobMetaChunkArray 

pub enum BlobMetaChunkArray {
    V1(Vec<BlobChunkInfoV1Ondisk>),
    V2(Vec<BlobChunkInfoV2Ondisk>),
}

A customized array to host chunk information table for a blob.

Variants

V1(Vec<BlobChunkInfoV1Ondisk>)

V1 chunk compression information array.

V2(Vec<BlobChunkInfoV2Ondisk>)

V2 chunk compression information array.

Implementations

impl BlobMetaChunkArray

pub fn new_v1() -> Self

Create a BlobMetaChunkArray with v1 chunk compression information format.

pub fn new_v2() -> Self

Create a BlobMetaChunkArray with v2 chunk compression information format.

pub fn len(&self) -> usize

Get number of entries in the chunk compression information array.

pub fn is_empty(&self) -> bool

Check whether the chunk compression information array is empty or not.

pub fn as_byte_slice(&self) -> &[u8]

Convert the chunk compression information array as a u8 slice.

pub fn add_v1( &mut self, compressed_offset: u64, compressed_size: u32, uncompressed_offset: u64, uncompressed_size: u32, )

Add an entry of v1 chunk compression information into the array.

pub fn add_v2( &mut self, compressed_offset: u64, compressed_size: u32, uncompressed_offset: u64, uncompressed_size: u32, compressed: bool, encrypted: bool, has_crc32: bool, is_batch: bool, data: u64, )

Add an entry of v2 chunk compression information into the array.

pub fn add_v2_info(&mut self, chunk_info: BlobChunkInfoV2Ondisk)

Add an entry of pre-built v2 chunk compression information into the array.

Trait Implementations

impl Clone for BlobMetaChunkArray

fn clone(&self) -> BlobMetaChunkArray

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for BlobMetaChunkArray

fn default() -> Self

Returns the “default value” for a type.