StorageBackend

data_modelling_sdk

Trait StorageBackend 

Source 
pub trait StorageBackend: Send + Sync {
    // Required methods
    fn read_file<'life0, 'life1, 'async_trait>(
        &'life0 self,
        path: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, StorageError>> + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
    fn write_file<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        path: &'life1 str,
        content: &'life2 [u8],
    ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait,
             Self: 'async_trait;
    fn list_files<'life0, 'life1, 'async_trait>(
        &'life0 self,
        dir: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<Vec<String>, StorageError>> + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
    fn file_exists<'life0, 'life1, 'async_trait>(
        &'life0 self,
        path: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<bool, StorageError>> + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
    fn delete_file<'life0, 'life1, 'async_trait>(
        &'life0 self,
        path: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
    fn create_dir<'life0, 'life1, 'async_trait>(
        &'life0 self,
        path: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
    fn dir_exists<'life0, 'life1, 'async_trait>(
        &'life0 self,
        path: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = Result<bool, StorageError>> + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
}
Expand description

Trait for storage backends

This trait abstracts file operations, directory operations, and model-specific operations across different storage systems (file system, browser storage, HTTP API).

Required Methods§

Source

fn read_file<'life0, 'life1, 'async_trait>( &'life0 self, path: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, StorageError>> + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Read a file from storage

Source

fn write_file<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, path: &'life1 str, content: &'life2 [u8], ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, Self: 'async_trait,

Write a file to storage

Source

fn list_files<'life0, 'life1, 'async_trait>( &'life0 self, dir: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Vec<String>, StorageError>> + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

List files in a directory

Source

fn file_exists<'life0, 'life1, 'async_trait>( &'life0 self, path: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<bool, StorageError>> + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Check if a file exists

Source

fn delete_file<'life0, 'life1, 'async_trait>( &'life0 self, path: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Delete a file

Source

fn create_dir<'life0, 'life1, 'async_trait>( &'life0 self, path: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<(), StorageError>> + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Create a directory

Source

fn dir_exists<'life0, 'life1, 'async_trait>( &'life0 self, path: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<bool, StorageError>> + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Check if a directory exists

Implementors§