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StorageAdapter

Trait StorageAdapter 

Source
pub trait StorageAdapter: Send + Sync {
    // Required methods
    fn get(&self, key: &str) -> StorageResult<Option<String>>;
    fn put(&self, key: &str, value: String) -> StorageResult<()>;
    fn del(&self, key: &str) -> StorageResult<()>;
    fn list(&self, prefix: &str) -> StorageResult<Vec<String>>;

    // Provided methods
    fn put_preserved(&self, key: &str, value: String) -> StorageResult<()> { ... }
    fn put_checkpoint(
        &self,
        key: &str,
        value: &StorageCheckpoint,
    ) -> StorageResult<()> { ... }
}

Required Methods§

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fn get(&self, key: &str) -> StorageResult<Option<String>>

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fn put(&self, key: &str, value: String) -> StorageResult<()>

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fn del(&self, key: &str) -> StorageResult<()>

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fn list(&self, prefix: &str) -> StorageResult<Vec<String>>

Provided Methods§

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fn put_preserved(&self, key: &str, value: String) -> StorageResult<()>

Preserve a migration input before a later checkpoint can replace it. Buffered adapters must commit this write before returning success.

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fn put_checkpoint( &self, key: &str, value: &StorageCheckpoint, ) -> StorageResult<()>

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§