pub struct DefaultListFilesCache { /* private fields */ }
Expand description

Collected files metadata for listing files. Cache will not invalided until user call remove or clear.

Trait Implementations§

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impl CacheAccessor<Path, Arc<Vec<ObjectMeta>>> for DefaultListFilesCache

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type Extra = ObjectMeta

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fn get(&self, k: &Path) -> Option<Arc<Vec<ObjectMeta>>>

Get value from cache.
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fn get_with_extra( &self, _k: &Path, _e: &<DefaultListFilesCache as CacheAccessor<Path, Arc<Vec<ObjectMeta>>>>::Extra ) -> Option<Arc<Vec<ObjectMeta>>>

Get value from cache.
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fn put( &self, key: &Path, value: Arc<Vec<ObjectMeta>> ) -> Option<Arc<Vec<ObjectMeta>>>

Put value into cache. Returns the old value associated with the key if there was one.
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fn put_with_extra( &self, _key: &Path, _value: Arc<Vec<ObjectMeta>>, _e: &<DefaultListFilesCache as CacheAccessor<Path, Arc<Vec<ObjectMeta>>>>::Extra ) -> Option<Arc<Vec<ObjectMeta>>>

Put value into cache. Returns the old value associated with the key if there was one.
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fn remove(&mut self, k: &Path) -> Option<Arc<Vec<ObjectMeta>>>

Remove an entry from the cache, returning value if they existed in the map.
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fn contains_key(&self, k: &Path) -> bool

Check if the cache contains a specific key.
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fn len(&self) -> usize

Fetch the total number of cache entries.
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fn clear(&self)

Remove all entries from the cache.
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fn name(&self) -> String

Return the cache name.
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fn is_empty(&self) -> bool

Check if the Cache collection is empty or not.
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impl Default for DefaultListFilesCache

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fn default() -> DefaultListFilesCache

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

Auto Trait Implementations§

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

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

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impl<T> From<T> for T

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fn from(t: T) -> T

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

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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type Output = T

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type Error = Infallible

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

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

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impl<V, T> VZip<V> for T
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fn vzip(self) -> V