Struct LocalDataStore 

pub struct LocalDataStore { /* private fields */ }

Local filesystem data store.

Implementations

impl LocalDataStore

pub fn new(base_path: impl Into<PathBuf>) -> Self

Trait Implementations

impl DataStore for LocalDataStore

fn put(&self, key: &CacheKey, data: &Value) -> Result<DataRef>

Store data and return a reference to it.

fn get(&self, data_ref: &DataRef) -> Result<Value>

Retrieve data from a reference.

fn exists(&self, data_ref: &DataRef) -> Result<bool>

Check if data exists at a reference.

fn remove(&self, data_ref: &DataRef) -> Result<()>

Delete data at a reference.

fn config(&self) -> &StorageConfig

Get the storage config.

fn get_rows( &self, data_ref: &DataRef, start: usize, len: usize, ) -> Result<Value>

Read a range of rows [start..start+len) from a tensor. Returns a Value::Tensor with shape[0] == len. Default impl downloads the full value and slices in memory.

fn meta(&self, data_ref: &DataRef) -> Result<StoreMeta>

Get metadata about a stored value without reading the data. Default impl downloads the full value to extract metadata.