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GetAndLock Method (String, TimeSpan, DataCacheLockHandle, String, Boolean)

Lock the key if key is present and it is not locked by any clients and returns the object corresponding to the key. For objects stored in regions. Applies only to the server versions of AppFabric.

Namespace:  Microsoft.ApplicationServer.Caching
Assembly:  Microsoft.ApplicationServer.Caching.Client (in Microsoft.ApplicationServer.Caching.Client.dll)

public Object GetAndLock(
	string key,
	TimeSpan timeout,
	out DataCacheLockHandle lockHandle,
	string region,
	bool forceLock
)

Parameters

key
Type: System..::..String
The unique value that is used to identify the object in the region.
timeout
Type: System..::..TimeSpan
The amount of time that the object remains locked.
lockHandle
Type: Microsoft.ApplicationServer.Caching..::..DataCacheLockHandle%
The DataCacheLockHandle object required to unlock the object. The lockHandle output parameter is passed by reference.
region
Type: System..::..String
The name of the region where the object resides.
forceLock
Type: System..::..Boolean
If forceLock is true, key is locked irrespective of key-value pair presence in cache.

Return Value

Type: System..::..Object
Returns Object matching the specified key parameter if the Object is present and is not locked.
  • If the key does not exist, a DataCacheException object is thrown with the ErrorCode set to KeyDoesNotExist. Create objects based on the referenced key to resolve this error.

  • If the object is already locked by another cache client, a DataCacheException object is thrown with the ErrorCode set to ObjectLocked. The object will be inaccessible until it is unlocked by the locking client.

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