Struct nebari::io::memory::MemoryFileManager

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pub struct MemoryFileManager { /* private fields */ }

Expand description

The FileManager implementation for MemoryFile. Simulates a persistent in-memory filesystem.

Trait Implementations

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impl Clone for MemoryFileManager

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fn clone(&self) -> MemoryFileManager

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for MemoryFileManager

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

Formats the value using the given formatter. Read more

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impl Default for MemoryFileManager

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fn default() -> MemoryFileManager

Returns the “default value” for a type. Read more

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impl FileManager for MemoryFileManager

type File = MemoryFile

The type of file managed by this manager.

type FileHandle = OpenMemoryFile

A file handle type, which can have operations executed against it.

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fn append(&self, path: impl AsRef<Path>) -> Result<Self::FileHandle, Error>

Returns a file handle that can be used to read and write.

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fn read(&self, path: impl AsRef<Path>) -> Result<Self::FileHandle, Error>

Returns a file handle that can be used for reading operations.

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fn file_length(&self, path: impl AsRef<Path>) -> Result<u64, Error>

Returns the length of the file.

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fn exists(&self, path: impl AsRef<Path>) -> Result<bool, Error>

Check if the file exists.

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fn delete(&self, path: impl AsRef<Path>) -> Result<bool, Error>

Check if the file exists.

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fn delete_directory(&self, path: impl AsRef<Path>) -> Result<(), Error>

Removes a directory and all of its contents.

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fn close_handles<F: FnOnce(u64)>(
 &self,
 path: impl AsRef<Path>,
 publish_callback: F
)

Closes all open handles for path, and calls publish_callback before unlocking any locks aquired during the operation. Read more

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impl ManagedFileOpener<MemoryFile> for MemoryFileManager

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fn open_for_read(
 &self,
 path: impl AsRef<Path> + Send,
 id: Option<u64>
) -> Result<MemoryFile, Error>

Opens a file at path with read-only permission.

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fn open_for_append(
 &self,
 path: impl AsRef<Path> + Send,
 id: Option<u64>
) -> Result<MemoryFile, Error>

Opens or creates a file at path, positioning the cursor at the end of the file.

Auto Trait Implementations

impl !RefUnwindSafe for MemoryFileManager

impl Send for MemoryFileManager

impl Sync for MemoryFileManager

impl Unpin for MemoryFileManager

impl !UnwindSafe for MemoryFileManager

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct nebari::io::memory::MemoryFileManager

Trait Implementations

impl Clone for MemoryFileManager

fn clone(&self) -> MemoryFileManager

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

impl Debug for MemoryFileManager

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

impl Default for MemoryFileManager

fn default() -> MemoryFileManager

impl FileManager for MemoryFileManager

type File = MemoryFile

type FileHandle = OpenMemoryFile

fn append(&self, path: impl AsRef<Path>) -> Result<Self::FileHandle, Error>

fn read(&self, path: impl AsRef<Path>) -> Result<Self::FileHandle, Error>

fn file_length(&self, path: impl AsRef<Path>) -> Result<u64, Error>

fn exists(&self, path: impl AsRef<Path>) -> Result<bool, Error>

fn delete(&self, path: impl AsRef<Path>) -> Result<bool, Error>

fn delete_directory(&self, path: impl AsRef<Path>) -> Result<(), Error>

fn close_handles<F: FnOnce(u64)>( &self, path: impl AsRef<Path>, publish_callback: F)

impl ManagedFileOpener<MemoryFile> for MemoryFileManager

fn open_for_read( &self, path: impl AsRef<Path> + Send, id: Option<u64>) -> Result<MemoryFile, Error>

fn open_for_append( &self, path: impl AsRef<Path> + Send, id: Option<u64>) -> Result<MemoryFile, Error>

Auto Trait Implementations

impl !RefUnwindSafe for MemoryFileManager

impl Send for MemoryFileManager

impl Sync for MemoryFileManager

impl Unpin for MemoryFileManager

impl !UnwindSafe for MemoryFileManager

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

fn close_handles<F: FnOnce(u64)>(
&self,
path: impl AsRef<Path>,
publish_callback: F
)

fn open_for_read(
&self,
path: impl AsRef<Path> + Send,
id: Option<u64>
) -> Result<MemoryFile, Error>

fn open_for_append(
&self,
path: impl AsRef<Path> + Send,
id: Option<u64>
) -> Result<MemoryFile, Error>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,