ObjectCache.NoSlidingExpiration Field

Definition

Namespace:

System.Runtime.Caching

Assembly:

System.Runtime.Caching.dll

Package:

System.Runtime.Caching v9.0.0-preview.3.24172.9

Source:

ObjectCache.cs

Indicates that a cache entry has no sliding expiration time.

public: static initonly TimeSpan NoSlidingExpiration;

public static readonly TimeSpan NoSlidingExpiration;

 staticval mutable NoSlidingExpiration : TimeSpan

Public Shared ReadOnly NoSlidingExpiration As TimeSpan 

Field Value

TimeSpan

Remarks

Expiration that is based on duration or a defined window of time is also referred to as sliding expiration. Normally, a cache implementation that evicts items that are based on sliding expiration will remove an item that has not been accessed in the specified window of time.

A cache entry that is inserted into the cache with the NoSlidingExpiration field value set as the expiration value should never be evicted because of non-activity in a sliding time window. However, a cache item can be evicted if it has an absolute expiration, or if some other eviction event occurs, such a change monitor or memory pressure.