Struct CachedFileList 

pub struct CachedFileList {
    pub files: Arc<Vec<ObjectMeta>>,
}

Cached file listing.

TTL expiration is handled internally by the cache implementation.

Fields

files: Arc<Vec<ObjectMeta>>

The cached file list.

Implementations

impl CachedFileList

pub fn new(files: Vec<ObjectMeta>) -> Self

Create a new cached file list.

pub fn files_matching_prefix( &self, prefix: &Option<Path>, ) -> Arc<Vec<ObjectMeta>>

Returns files matching the given prefix.

When prefix is None, returns a clone of the Arc (no data copy). When filtering is needed, returns a new Arc with filtered results (clones each matching ObjectMeta).

Trait Implementations

impl CacheAccessor<TableScopedPath, CachedFileList> for DefaultListFilesCache

fn get(&self, key: &TableScopedPath) -> Option<CachedFileList>

Get a cached entry if it exists.

fn put( &self, key: &TableScopedPath, value: CachedFileList, ) -> Option<CachedFileList>

Store a value in the cache.

fn remove(&self, k: &TableScopedPath) -> Option<CachedFileList>

Remove an entry from the cache, returning the value if it existed.

fn contains_key(&self, k: &TableScopedPath) -> bool

Check if the cache contains a specific key.

fn len(&self) -> usize

Fetch the total number of cache entries.

fn clear(&self)

Remove all entries from the cache.

fn name(&self) -> String

Return the cache name.

fn is_empty(&self) -> bool

Check if the cache collection is empty.

impl Clone for CachedFileList

fn clone(&self) -> CachedFileList

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CachedFileList

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

Formats the value using the given formatter.

impl Deref for CachedFileList

type Target = Arc<Vec<ObjectMeta>>

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl From<Vec<ObjectMeta>> for CachedFileList

fn from(files: Vec<ObjectMeta>) -> Self

Converts to this type from the input type.

impl PartialEq for CachedFileList

fn eq(&self, other: &CachedFileList) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for CachedFileList