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MemoryCache

Class

A generic map cache storage.

Definition

Namespace:Telerik.Windows.Controls.Map

Assembly:Telerik.Windows.Controls.DataVisualization.dll

Syntax:

public class MemoryCache : DependencyObject, ICacheStorage

Inheritance: objectMemoryCache

Derived Classes: FileCacheBase

Implements: ICacheStorage

Constructors

MemoryCache()

Initializes a new instance of the MemoryCache class.

public MemoryCache()

Fields

MemoryMaxSizeProperty

DependencyProperty

Identifies the MemoryMaxSize dependency property.

public static readonly DependencyProperty MemoryMaxSizeProperty

Properties

MemoryMaxSize

long

Gets or sets the maximal memory cache size for a storage. This is a dependency property.

public long MemoryMaxSize { get; set; }

Methods

AddToCacheRecords(CacheRecord)

Adds cache record to the memory cache container.

protected void AddToCacheRecords(MemoryCache.CacheRecord cacheRecord)

Parameters:cacheRecordMemoryCache.CacheRecord

Cache record instance.

GetCacheRecord(string)

Gets the CacheRecord.

protected MemoryCache.CacheRecord GetCacheRecord(string fileName)

Parameters:fileNamestring

File name.

Returns:

MemoryCache.CacheRecord

CacheRecord.

GetTile(string)

Reads tile.

protected byte[] GetTile(string fileName)

Parameters:fileNamestring

File name.

Returns:

byte[]

Byte array of tile image.

Load(string)

Loads the file from the memory cache.

public virtual Stream Load(string fileName)

Parameters:fileNamestring

File name.

Returns:

Stream

Stream if the file exists and does not expired or null.

Implements: ICacheStorage.Load(string)

LoadAsync(string, Action<byte[]>)

Loaded file from a cache.

public virtual void LoadAsync(string fileName, Action<byte[]> callback)

Parameters:fileNamestring

File name.

callbackAction<byte[]>

TileAvailable event arguments.

Implements: ICacheStorage.LoadAsync(string, Action<byte[]>)

Save(string, DateTime, byte[])

Saves the file to the memory.

public virtual void Save(string fileName, DateTime expirationDate, byte[] tile)

Parameters:fileNamestring

File name.

expirationDateDateTime

Expiration date.

tilebyte[]

Byte array which is saved to the file.

Implements: ICacheStorage.Save(string, DateTime, byte[])