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DataCache.PutAndUnlock Method (String, Object, DataCacheLockHandle)

Replaces and unlocks an object in the cache.

Namespace: Microsoft.ApplicationServer.Caching
Assembly: Microsoft.ApplicationServer.Caching.Client (in microsoft.applicationserver.caching.client.dll)

'Usage
Dim instance As DataCache
Dim key As String
Dim value As Object
Dim lockHandle As DataCacheLockHandle
Dim returnValue As DataCacheItemVersion

returnValue = instance.PutAndUnlock(key, value, lockHandle)

public DataCacheItemVersion PutAndUnlock (
	string key,
	Object value,
	DataCacheLockHandle lockHandle
)
public DataCacheItemVersion PutAndUnlock (
	String key, 
	Object value, 
	DataCacheLockHandle lockHandle
)
public function PutAndUnlock (
	key : String, 
	value : Object, 
	lockHandle : DataCacheLockHandle
) : DataCacheItemVersion

Parameters

key

The unique value that is used to identify the object in the cache.

value

The object to add or replace.

lockHandle

The DataCacheLockHandle object that was returned when the object was locked.

Return Value

A DataCacheItemVersion object that represents the version of the cached object after it has been updated by this method.

Locked objects are never expired, but they may expire immediately if unlocked after their expiration time. For more information, see Expiration and Eviction.

If the lockHandle parameter is not equal to the DataCacheLockHandle object obtained from the method that is used to lock the object, a DataCacheException object is thrown with the ErrorCode property set to InvalidCacheLockHandle, and the object is not updated.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Development Platforms

Visual Studio 2010 and later, .NET Framework 4

Target Platforms

Windows 7; Windows Server 2008 R2; Windows Server 2008 Service Pack 2; Windows Vista Service Pack 2
  http://msdn.microsoft.com/en-us/library/microsoft.applicationserver.caching.aspx 2011-08-26
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