ICacheWriter BeforeUpdate Method Pivotal GemFire .NET Client Documentation
Called before an entry is updated. The entry update is initiated by a Put or a Get that causes the loader to update an existing entry.

Namespace: GemStone.GemFire.Cache
Assembly: GemStone.GemFire.Cache (in GemStone.GemFire.Cache.dll) Version:

bool BeforeUpdate(
	EntryEvent ev

The entry previously existed in the cache where the operation was initiated, although the old value may have been null. The entry being updated may or may not exist in the local cache where the CacheWriter is installed.
See Also