Struct Cache

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pub struct Cache<T: 'static> { /* private fields */ }
Expand description

Cache for each Writium Api. Any Writium Api can be composited with this struct for cache.

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impl<T: 'static> Cache<T>

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pub fn new<Src>(capacity: usize, src: Src) -> Cache<T>
where Src: 'static + CacheSource<Value = T>,

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pub fn create(&self, id: &str) -> Result<Arc<CacheItem<T>>>

Get the object identified by given ID. If the object is not cached, try recovering its cache from provided source. If there is no space for another object, the last recently accessed cache will be disposed.

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pub fn get(&self, id: &str) -> Result<Arc<CacheItem<T>>>

Get the object identified by given ID. If the object is not cached, error will be returned. If there is no space for another object, the last recently accessed cache will be disposed.

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pub fn remove(&self, id: &str) -> Result<()>

Remove the object identified by given ID.

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impl<T: 'static> Drop for Cache<T>

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fn drop(&mut self)

Implement drop so that modified cached data can be returned to source properly.

Auto Trait Implementations§

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impl<T> !Freeze for Cache<T>

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impl<T> !RefUnwindSafe for Cache<T>

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impl<T> Send for Cache<T>
where T: Send + Sync,

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impl<T> Sync for Cache<T>
where T: Send + Sync,

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impl<T> Unpin for Cache<T>

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impl<T> !UnwindSafe for Cache<T>

Blanket Implementations§

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

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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,

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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,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.