Trait tc_transact::fs::Dir

pub trait Dir: Store + Sized + 'static {
    type File: Send;
    type FileClass;
    #[must_use]
    fn contains<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self, 
        txn_id: &'life1 TxnId, 
        name: &'life2 PathSegment
    ) -> Pin<Box<dyn Future<Output = TCResult<bool>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        'life1: 'async_trait,
        'life2: 'async_trait,
        Self: 'async_trait;
    #[must_use]
    fn create_dir<'life0, 'async_trait>(
        &'life0 self, 
        txn_id: TxnId, 
        name: PathSegment
    ) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
    #[must_use]
    fn create_dir_tmp<'life0, 'async_trait>(
        &'life0 self, 
        txn_id: TxnId
    ) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        Self: 'async_trait;
    #[must_use]
    fn create_file<'life0, 'async_trait, F: TryFrom<Self::File, Error = TCError>, C: Send>(
        &'life0 self, 
        txn_id: TxnId, 
        name: Id, 
        class: C
    ) -> Pin<Box<dyn Future<Output = TCResult<F>> + Send + 'async_trait>>
    where
        Self::FileClass: From<C>,
        F: 'async_trait,
        C: 'async_trait,
        'life0: 'async_trait,
        Self: 'async_trait;
    #[must_use]
    fn create_file_tmp<'life0, 'async_trait, F: TryFrom<Self::File, Error = TCError>, C: Send>(
        &'life0 self, 
        txn_id: TxnId, 
        class: C
    ) -> Pin<Box<dyn Future<Output = TCResult<F>> + Send + 'async_trait>>
    where
        Self::FileClass: From<C>,
        F: 'async_trait,
        C: 'async_trait,
        'life0: 'async_trait,
        Self: 'async_trait;
    #[must_use]
    fn get_dir<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self, 
        txn_id: &'life1 TxnId, 
        name: &'life2 PathSegment
    ) -> Pin<Box<dyn Future<Output = TCResult<Option<Self>>> + Send + 'async_trait>>
    where
        'life0: 'async_trait,
        'life1: 'async_trait,
        'life2: 'async_trait,
        Self: 'async_trait;
    #[must_use]
    fn get_file<'life0, 'life1, 'life2, 'async_trait, F: TryFrom<Self::File, Error = TCError>>(
        &'life0 self, 
        txn_id: &'life1 TxnId, 
        name: &'life2 Id
    ) -> Pin<Box<dyn Future<Output = TCResult<Option<F>>> + Send + 'async_trait>>
    where
        F: 'async_trait,
        'life0: 'async_trait,
        'life1: 'async_trait,
        'life2: 'async_trait,
        Self: 'async_trait;
}

A transactional directory

Associated Types

type File: Send

The type of a file entry in this Dir

type FileClass

The Class of a file stored in this Dir

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Required methods

#[must_use]

fn contains<'life0, 'life1, 'life2, 'async_trait>(
    &'life0 self,
    txn_id: &'life1 TxnId,
    name: &'life2 PathSegment
) -> Pin<Box<dyn Future<Output = TCResult<bool>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    'life2: 'async_trait,
    Self: 'async_trait, 

Return true if this directory has an entry at the given PathSegment.

#[must_use]

fn create_dir<'life0, 'async_trait>(
    &'life0 self,
    txn_id: TxnId,
    name: PathSegment
) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Create a new Dir.

#[must_use]

fn create_dir_tmp<'life0, 'async_trait>(
    &'life0 self,
    txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait, 

Create a new Dir with a new unique ID.

#[must_use]

fn create_file<'life0, 'async_trait, F: TryFrom<Self::File, Error = TCError>, C: Send>(
    &'life0 self,
    txn_id: TxnId,
    name: Id,
    class: C
) -> Pin<Box<dyn Future<Output = TCResult<F>> + Send + 'async_trait>> where
    Self::FileClass: From<C>,
    F: 'async_trait,
    C: 'async_trait,
    'life0: 'async_trait,
    Self: 'async_trait, 

Create a new Self::File.

#[must_use]

fn create_file_tmp<'life0, 'async_trait, F: TryFrom<Self::File, Error = TCError>, C: Send>(
    &'life0 self,
    txn_id: TxnId,
    class: C
) -> Pin<Box<dyn Future<Output = TCResult<F>> + Send + 'async_trait>> where
    Self::FileClass: From<C>,
    F: 'async_trait,
    C: 'async_trait,
    'life0: 'async_trait,
    Self: 'async_trait, 

Create a new Self::File with a new unique ID.

#[must_use]

fn get_dir<'life0, 'life1, 'life2, 'async_trait>(
    &'life0 self,
    txn_id: &'life1 TxnId,
    name: &'life2 PathSegment
) -> Pin<Box<dyn Future<Output = TCResult<Option<Self>>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    'life1: 'async_trait,
    'life2: 'async_trait,
    Self: 'async_trait, 

Look up a subdirectory of this Dir.

#[must_use]

fn get_file<'life0, 'life1, 'life2, 'async_trait, F: TryFrom<Self::File, Error = TCError>>(
    &'life0 self,
    txn_id: &'life1 TxnId,
    name: &'life2 Id
) -> Pin<Box<dyn Future<Output = TCResult<Option<F>>> + Send + 'async_trait>> where
    F: 'async_trait,
    'life0: 'async_trait,
    'life1: 'async_trait,
    'life2: 'async_trait,
    Self: 'async_trait, 

Get a Self::File in this Dir.

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Implementors

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