ChatCacheBeacon Class

This class uses cache to control timeouts of other cached items. It does not store any data itself. It allows to invalidate caches across web farms (that's the reason why cache is used here - touching cache is propagated across web farms) or only locally.

Inheritance Hierarchy

System.Object
  CMS.Chat.ChatCacheBeacon

Namespace: CMS.Chat
Assembly: CMS.Chat (in CMS.Chat.dll) Version: 12.0.0

Syntax

public class ChatCacheBeacon

The ChatCacheBeacon type exposes the following members.

Constructors

	Name	Description
Public method	ChatCacheBeacon	Constructs cache beacon. First call to IsValid method will return false.

Methods

	Name	Description
Public method	Invalidate	Invalidates beacon - next call of IsValid will return false. This invalidation works across web farms.
Public method	InvalidateLocally	Invalidates beacon - next call of IsValid will return false. This invalidation works only locally.
Public method	IsValid	Checks if beacon is valid. It takes into consideration local and cache invalidation. If beacon is not valid, it calls Reset itself, so next call will return true again. First call to this method will return false. Method is thread safe.
Public method	Reset	Resets timeout, so next time IsValid() will return false again after amount of time specified by persistence argument