pub trait StorageBackend: Send + Sync {
// Required methods
fn put<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
key: &'life1 str,
value: &'life2 [u8],
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait;
fn get<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn delete<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn list_keys<'life0, 'life1, 'async_trait>(
&'life0 self,
prefix: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<Vec<String>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn batch_put<'life0, 'async_trait>(
&'life0 self,
items: Vec<(String, Vec<u8>)>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn batch_delete<'life0, 'async_trait>(
&'life0 self,
keys: Vec<String>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn exists<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn clear<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn sync<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn stats<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = Result<StorageStats>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}Expand description
Storage backend trait
This trait abstracts over different storage implementations, providing a unified interface for storing and retrieving data.
Required Methods§
Sourcefn put<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
key: &'life1 str,
value: &'life2 [u8],
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn put<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
key: &'life1 str,
value: &'life2 [u8],
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
Put a key-value pair
Sourcefn get<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn get<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Get a value by key
Sourcefn delete<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn delete<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Delete a key
Sourcefn list_keys<'life0, 'life1, 'async_trait>(
&'life0 self,
prefix: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<Vec<String>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn list_keys<'life0, 'life1, 'async_trait>(
&'life0 self,
prefix: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<Vec<String>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
List all keys with a given prefix
Sourcefn batch_put<'life0, 'async_trait>(
&'life0 self,
items: Vec<(String, Vec<u8>)>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn batch_put<'life0, 'async_trait>(
&'life0 self,
items: Vec<(String, Vec<u8>)>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Batch put multiple key-value pairs
Sourcefn batch_delete<'life0, 'async_trait>(
&'life0 self,
keys: Vec<String>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn batch_delete<'life0, 'async_trait>(
&'life0 self,
keys: Vec<String>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Batch delete multiple keys
Sourcefn exists<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn exists<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Check if a key exists
Sourcefn clear<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn clear<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Clear all data (use with caution!)