Struct tantivy::directory::RAMDirectory

pub struct RAMDirectory { /* fields omitted */ }

A Directory storing everything in anonymous memory.

It is mainly meant for unit testing. Writes are only made visible upon flushing.

Methods

impl RAMDirectory

pub fn create() -> RAMDirectory

Constructor

Trait Implementations

impl Debug for RAMDirectory

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

Formats the value using the given formatter.

impl Clone for RAMDirectory

fn clone(&self) -> RAMDirectory

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Directory for RAMDirectory

fn open_read(&self, path: &Path) -> Result<ReadOnlySource, OpenReadError>

Opens a virtual file for read.

fn open_write(&mut self, path: &Path) -> Result<WritePtr, OpenWriteError>

Opens a writer for the virtual file associated with a Path.

fn delete(&self, path: &Path) -> Result<(), DeleteError>

Removes a file

fn exists(&self, path: &Path) -> bool

Returns true iff the file exists

fn atomic_read(&self, path: &Path) -> Result<Vec<u8>, OpenReadError>

Reads the full content file that has been written using atomic_write.

fn atomic_write(&mut self, path: &Path, data: &[u8]) -> Result<()>

Atomically replace the content of a file with data.

Important traits for Box<R>

impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

fn box_clone(&self) -> Box<Directory>

Clones the directory and boxes the clone