PostSharp 6.10 / / Post­Sharp Documentation / API Reference / Post­Sharp.​Patterns.​Caching.​Implementation Namespace / Caching­Backend­Enhancer Class / Caching­Backend­Enhancer Methods / Caching­Backend­Enhancer.​Contains­Item­Async­Core Method

CachingBackendEnhancer.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: (
protected override Task<bool> ContainsItemAsyncCore(
	string key,
	CancellationToken cancellationToken


Type: System.String
The key of the cache item.
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