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Metalama Documentation

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Metalama.Patterns.Caching

Metalama.Patterns.Caching.Aspects

Metalama.Patterns.Caching.Aspects.Configuration

Metalama.Patterns.Caching.Aspects.Helpers

Metalama.Patterns.Caching.Backends

CachingBackend

BackgroundTaskExceptions

Configuration

DebugName

DisposeCancellationToken

ContainsDependencyAsync

ContainsDependencyAsyncCore

ContainsDependencyCore

ContainsItem

ContainsItemAsync

ContainsItemAsyncCore

InvalidateDependencies

InvalidateDependenciesAsync

InvalidateDependency

InvalidateDependencyAsync

InvalidateDependencyAsyncCore

InvalidateDependencyCore

OnDependencyInvalidated

WhenBackgroundTasksCompleted

DependencyInvalidated

ItemRemoved

CachingBackendConfiguration

CachingBackendStatus

ClearCacheOptions

LayeredCachingBackendConfiguration2

MemoryCachingBackendConfiguration2

Metalama.Patterns.Caching.Backends.Azure

Metalama.Patterns.Caching.Backends.Redis

Metalama.Patterns.Caching.Building

Metalama.Patterns.Caching.Dependencies

Metalama.Patterns.Caching.Formatters

Metalama.Patterns.Caching.Implementation

Metalama.Patterns.Caching.Locking

Metalama.Patterns.Caching.Serializers

Metalama.Patterns.Caching.ValueAdapters

Metalama.Patterns.Contracts

Metalama.Patterns.Contracts.Numeric

Metalama.Patterns.Immutability

Metalama.Patterns.Immutability.Configuration

Metalama.Patterns.Memoization

Metalama.Patterns.Observability

Metalama.Patterns.Observability.Configuration

Metalama.Patterns.Observability.Implementation

Metalama.Patterns.Wpf

Metalama.Patterns.Wpf.Configuration

Flashtrace API

Introspection API

Advanced API

PostSharp API migration

Article

Method ContainsItemAsync

ContainsItemAsync(string, CancellationToken)

Asynchronously determines whether the cache contains an item of a given key.

Declaration

public ValueTask<bool> ContainsItemAsync(string key, CancellationToken cancellationToken = default)

Parameters

Type	Name	Description
string	key	The key of the cache item.
CancellationToken	cancellationToken	A CancellationToken.

Returns

Type	Description
ValueTask<bool>	A Task that evaluates to `true` if the cache contains an item whose key is `key`, otherwise `false`.

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