Struct MemoryService 

pub struct MemoryService { /* private fields */ }

Thread-safe in-memory storage backend.

Implementations

impl MemoryService

pub fn new(name: impl Into<String>) -> Result<Self, StorageError>

Creates an empty in-memory service.

Errors

Returns an error when the default base URL cannot be constructed.

pub fn with_base_url(self, base_url: Url) -> Self

Returns a copy with a custom public base URL.

pub fn len(&self) -> usize

Returns the number of stored keys.

pub fn is_empty(&self) -> bool

Returns whether the service currently stores no keys.

Trait Implementations

impl Clone for MemoryService

fn clone(&self) -> MemoryService

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MemoryService

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

Formats the value using the given formatter.

impl StorageService for MemoryService

fn name(&self) -> &str

Returns the configured service name.

fn upload<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, data: Bytes, ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Uploads a new object.

fn download<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Bytes, StorageError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Downloads an existing object.

fn delete<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Deletes an object if it exists.

fn exists<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<bool, StorageError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Returns whether the object exists.

fn url<'life0, 'life1, 'async_trait>( &'life0 self, key: &'life1 str, expires_in: Duration, ) -> Pin<Box<dyn Future<Output = Result<Url, StorageError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Generates a download URL.