Struct TieredStorage

pub struct TieredStorage { /* private fields */ }

The implementation of AccountsFile for tiered-storage.

Implementations

impl TieredStorage

pub fn new_writable(path: impl Into<PathBuf>) -> Self

Creates a new writable instance of TieredStorage based on the specified path and TieredStorageFormat.

Note that the actual file will not be created until write_accounts is called.

pub fn new_readonly(path: impl Into<PathBuf>) -> TieredStorageResult<Self>

Creates a new read-only instance of TieredStorage from the specified path.

pub fn path(&self) -> &Path

Returns the path to this TieredStorage.

pub fn write_accounts<'a>( &self, accounts: &impl StorableAccounts<'a>, skip: usize, format: &TieredStorageFormat, ) -> TieredStorageResult<StoredAccountsInfo>

Writes the specified accounts into this TieredStorage.

Note that this function can only be called once per a TieredStorage instance. Otherwise, it will trigger panic.

pub fn reader(&self) -> Option<&TieredStorageReader>

Returns the underlying reader of the TieredStorage. None will be returned if it’s is_read_only() returns false.

pub fn is_read_only(&self) -> bool

Returns true if the TieredStorage instance is read-only.

pub fn len(&self) -> usize

Returns the size of the underlying accounts file.

pub fn is_empty(&self) -> bool

Returns whether the underlying storage is empty.

pub fn capacity(&self) -> u64

Trait Implementations

impl Debug for TieredStorage

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

Formats the value using the given formatter.

impl Drop for TieredStorage

fn drop(&mut self)

Executes the destructor for this type.