ICacheWriterBeforeUpdate Method |
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.CacheAssembly: Gemstone.Gemfire.Cache (in Gemstone.Gemfire.Cache.dll) Version: 9.0.6.18
Syntaxbool BeforeUpdate(
EntryEvent ev
)
Function BeforeUpdate (
ev As EntryEvent
) As Boolean
bool BeforeUpdate(
EntryEvent^ ev
)
abstract BeforeUpdate :
ev : EntryEvent -> bool
Parameters
- ev
- Type: GemStone.GemFire.CacheEntryEvent
event object associated with updating the entry
Return Value
Type:
Boolean
Remarks
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 AlsoReference
[!:Region.Put]
[!:Region.Get]