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Enum EventDataFilter

NCache provides an enum EventDataFilter to specify how much data should be retrieved from cache when a notification is raised. This is specified when user registers a notification.

Assembly: Alachisoft.NCache.Runtime.dll
Syntax
public enum EventDataFilter
Remarks

Only one type of data filter can be specified at the time of registration.

Examples

To get complete data with meta data whenever a notification is raised you can use the following code:

cache.MessagingService.RegisterCacheNotification(key, onCacheDataModifiedCallback, EventType.ItemAdded | EventType.ItemRemoved, EventDataFilter.DataWithMetadata);

Fields

Name Description
DataWithMetadata

This specifies that the value of the cache item is required along with all the meta data when an event notification is raised.

Metadata

This specifies that only meta data of cache item is required when an event notification is raised. Meta data includes in information like groups, subgroups, cacheItemPriority, item version etc.

None

This specifies that no data or meta data is required when an event notification is raised.

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