PostSharp6.1/API Reference/Post­Sharp.​Patterns.​Caching.​Implementation Namespace/Caching­Backend Class/Caching­Backend Methods/Caching­Backend.​Contains­Item­Async­Core Method

CachingBackend.ContainsItemAsyncCore Method

Asynchronously determines whether the cache contains an item of a given key. This protected method is part of the implementation API and is meant to be overridden in user code, not invoked. Arguments are already validated by the consumer API.

Namespace:  PostSharp.Patterns.Caching.Implementation
Assembly:  PostSharp.Patterns.Caching (in PostSharp.Patterns.Caching.dll) Version: 6.1.23.0 (6.1.23.0)
Syntax
C#
protected virtual Task<bool> ContainsItemAsyncCore(
	string key,
	CancellationToken cancellationToken
)

Parameters

key
Type: System.String
The key of the cache item.
cancellationToken
Type: System.Threading.CancellationToken
A CancellationToken.

Return Value

Type: Task<Boolean>
A Task that evaluates to true if the cache contains an item whose key is key, otherwise false.
See Also