Class MemoryCacheProvider

Implements the ICacheProvider that stores values in the local memory.

Inheritance
object
MemoryCacheProvider
Implements
Inherited Members
Namespace: Nevatech.Vsb.Repository.Caching
Assembly: Nevatech.Vsb.Repository.dll
Syntax
public sealed class MemoryCacheProvider : ICacheProvider, IDisposable

Constructors

MemoryCacheProvider()

Declaration
public MemoryCacheProvider()

Fields

CacheName

Name of the cache configuration (used in application configuration file).

Declaration
public const string CacheName = "Nevatech.Vsb.Runtime.MessageCache"
Field Value
Type Description
string

Methods

Delete(string)

Deletes a key from cache.

Declaration
[SuppressMessage("Microsoft.Reliability", "CA2002:DoNotLockOnObjectsWithWeakIdentity")]
public void Delete(string key)
Parameters
Type Name Description
string key

The key to delete.

Dispose()

Releases internal cache.

Declaration
public void Dispose()

GetOrSet<T>(string, Func<T>, Func<T, T>, TimeSpan?, bool)

Gets a value from cache. If value does not exist, it may be optionally created. If it exists, it may be optionally updated. This operation is atomic.

Declaration
[SuppressMessage("Microsoft.Reliability", "CA2002:DoNotLockOnObjectsWithWeakIdentity")]
[SuppressMessage("Microsoft.Reliability", "CA2000:Dispose objects before losing scope")]
[SuppressMessage("Microsoft.Design", "CA1026:DefaultParametersShouldNotBeUsed")]
public T GetOrSet<T>(string key, Func<T> createValue = null, Func<T, T> updateValue = null, TimeSpan? expiry = null, bool updateExpiry = false)
Parameters
Type Name Description
string key

The cache key at which cached string value is stored.
Func<T> createValue

A method returning a new value for caching that is invoked, if cache entry is not found.
Func<T, T> updateValue

A method returning an updated value for caching that is invoked if existing cache entry is found.
TimeSpan? expiry

A timeout on key. After the timeout has expired, the key will automatically be deleted. Setting this value to null will remove the timeout (make key persistent).
bool updateExpiry

True to update existing key expiry to a new value (sliding expiration). The default value is false.
Returns
Type Description
T

The cached value or default(T), if cache entry was not found and was not created.
Type Parameters
Name Description
T

Type of the stored value.

Implements