CacheBase<T> Class

Definition

Namespace:

Microsoft.Toolkit.Uwp.UI

Assembly:

Microsoft.Toolkit.Uwp.UI.dll

Package:

Microsoft.Toolkit.Uwp.UI v7.1.2

Provides methods and tools to cache files in a folder

C#

public abstract class CacheBase<T>

Type Parameters

T

Generic type as supplied by consumer of the class

Inheritance

Object

CacheBase<T>

Derived

Microsoft.Toolkit.Uwp.UI.FileCache

Microsoft.Toolkit.Uwp.UI.ImageCache

Constructors

CacheBase<T>()

Initializes a new instance of the CacheBase<T> class.

Properties

CacheDuration	Gets or sets the life duration of every cache entry.
HttpClient	Gets instance of HttpClient
MaxMemoryCacheCount	Gets or sets max in-memory item storage count
RetryCount	Gets or sets the number of retries trying to ensure the file is cached.

Methods

ClearAsync()	Clears all files in the cache
ClearAsync(TimeSpan)	Clears file if it has expired
GetFileFromCacheAsync(Uri)	Gets the StorageFile containing cached item for given Uri
GetFromCacheAsync(Uri, Boolean, CancellationToken, List<KeyValuePair<String,Object>>)	Retrieves item represented by Uri from the cache. If the item is not found in the cache, it will try to downloaded and saved before returning it to the caller.
GetFromMemoryCache(Uri)	Retrieves item represented by Uri from the in-memory cache if it exists and is not out of date. If item is not found or is out of date, default instance of the generic type is returned.
InitializeAsync(StorageFolder, String, HttpMessageHandler)	Initializes FileCache and provides root folder and cache folder name
InitializeTypeAsync(StorageFile, List<KeyValuePair<String,Object>>)	Cache specific hooks to process items from HTTP response
InitializeTypeAsync(Stream, List<KeyValuePair<String,Object>>)	Cache specific hooks to process items from HTTP response
IsFileOutOfDateAsync(StorageFile, TimeSpan, Boolean)	Override-able method that checks whether file is valid or not.
PreCacheAsync(Uri, Boolean, Boolean, CancellationToken)	Assures that item represented by Uri is cached.
RemoveAsync(IEnumerable<Uri>)	Removed items based on uri list passed
RemoveExpiredAsync(Nullable<TimeSpan>)	Removes cached files that have expired

Applies to