Class CacheHelperExtensionMethods

Extension methods for the IObjectCache interface

Inheritance
System.Object
CacheHelperExtensionMethods
Namespace: ImageVault.Common.Data.Caching
Assembly: ImageVault.Common.dll
Syntax
public static class CacheHelperExtensionMethods : Object
Remarks

This is the only construct that allows optional arguments with an implicit interface implementation It is not good to use optional parameters with default values in interfaces anyway since they can vary depending on how you call them.

Methods

GetOrCreate<T>(CacheHelper, String, Func<T>)

Gets or creates a cache without expiration

Declaration
public static T GetOrCreate<T>(this CacheHelper helper, string name, Func<T> createAction)
Parameters
Type Name Description
CacheHelper helper
System.String name
System.Func<T> createAction
Returns
Type Description
T
Type Parameters
Name Description
T

GetOrCreateAbsoluteCache<T>(CacheHelper, String, TimeSpan, Func<T>)

Gets or creates a cache with an absolute expiration

Declaration
public static T GetOrCreateAbsoluteCache<T>(this CacheHelper helper, string name, TimeSpan absoluteExpiration, Func<T> createAction)
Parameters
Type Name Description
CacheHelper helper
System.String name
System.TimeSpan absoluteExpiration
System.Func<T> createAction
Returns
Type Description
T
Type Parameters
Name Description
T

GetOrCreateAbsoluteCacheAsync<T>(CacheHelper, String, TimeSpan, Func<Task<T>>)

Declaration
public static Task<T> GetOrCreateAbsoluteCacheAsync<T>(this CacheHelper helper, string name, TimeSpan absoluteExpiration, Func<Task<T>> createAction)
Parameters
Type Name Description
CacheHelper helper
System.String name
System.TimeSpan absoluteExpiration
System.Func<System.Threading.Tasks.Task<T>> createAction
Returns
Type Description
System.Threading.Tasks.Task<T>
Type Parameters
Name Description
T

GetOrCreateSlidingCache<T>(CacheHelper, String, TimeSpan, Func<T>)

Gets or creates a cache with a sliding expiration

Declaration
public static T GetOrCreateSlidingCache<T>(this CacheHelper helper, string name, TimeSpan slidingExpiration, Func<T> createAction)
Parameters
Type Name Description
CacheHelper helper
System.String name
System.TimeSpan slidingExpiration
System.Func<T> createAction
Returns
Type Description
T
Type Parameters
Name Description
T

TryGet<T>(CacheHelper, String, out T)

Declaration
public static bool TryGet<T>(this CacheHelper helper, string name, out T value)
Parameters
Type Name Description
CacheHelper helper
System.String name
T value
Returns
Type Description
System.Boolean
Type Parameters
Name Description
T

TryGetOrCreate<T>(CacheHelper, String, Func<T>, out T)

Declaration
public static bool TryGetOrCreate<T>(this CacheHelper helper, string name, Func<T> createAction, out T value)
Parameters
Type Name Description
CacheHelper helper
System.String name
System.Func<T> createAction
T value
Returns
Type Description
System.Boolean
Type Parameters
Name Description
T