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AF SDK Reference

AFDataCache Properties

  • Last UpdatedNov 18, 2025
  • 3 minute read
AFDataCache Properties

The AFDataCache type exposes the following members.

Properties

  NameDescription
Public property
Attributes
The list of AFAttribute items being cached.c
Public property
CacheHitCount
Returns the total number of data calls that retrieved data from the cache since the counter was reset.
Public property
CacheTimeSpan
The minimum amount of time series data to be kept for each AFAttribute in the cache, as measured by time span.
Public property
DataPipeStatistics
Contains statistics for the most recent signup or event scan for attributes updated by data pipe.
Public property
EventHorizonMode
EventHorizonMode specifies what events are returned by the datapipe at the GetUpdateEvent call based on the timestamp of the events.
Public property
EventHorizonOffset
EventHorizonOffset allows the pipe to return events in the future. The pipe would fetch events with timestamps up to current time + EventHorizonOffset when calling the GetUpdateEvents/GetObserverEvents methods
Public property
EventsCached
The total number of events currently in the cache.
Public property
EventsProcessed
The total number of events that have passed through the cache since the counter was reset.
Public property
IsSuspendedSignupEnabled
If IsSuspendedSignupEnabled is set, the data pipe will suspend signups that are currently invalid but might become valid with changes outside of AF.
Public property
MaxCacheEventsPerAttribute
The maximum number of cache events to be kept for each AFAttribute in the cache.
Public property
MinCacheEventsPerAttribute
The minimum number of cache events to be kept for each AFAttribute in the cache.
Public property
MissedHitCount
The total number of data calls that did not get data from the cache.
Public property
PIServers
Get the list of PIServer that could provide data update for the attributes in the cache via DataPipe option.

See Also

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