CloudBlockBlob.AcquireLeaseAsync Method (Nullable, String, AccessCondition, BlobRequestOptions, OperationContext, CancellationToken)
Initiates an asynchronous operation to acquire a lease on this blob.
Namespace: Microsoft.WindowsAzure.Storage.Blob
Assembly: Microsoft.WindowsAzure.Storage (in Microsoft.WindowsAzure.Storage.dll)
Syntax
'Declaration
<DoesServiceRequestAttribute> _
Public Function AcquireLeaseAsync ( _
leaseTime As Nullable(Of TimeSpan), _
proposedLeaseId As String, _
accessCondition As AccessCondition, _
options As BlobRequestOptions, _
operationContext As OperationContext, _
cancellationToken As CancellationToken _
) As Task(Of String)
[DoesServiceRequestAttribute]
public Task<string> AcquireLeaseAsync (
Nullable<TimeSpan> leaseTime,
string proposedLeaseId,
AccessCondition accessCondition,
BlobRequestOptions options,
OperationContext operationContext,
CancellationToken cancellationToken
)
[DoesServiceRequestAttribute]
public:
virtual Task<String^>^ AcquireLeaseAsync (
Nullable<TimeSpan> leaseTime,
String^ proposedLeaseId,
AccessCondition^ accessCondition,
BlobRequestOptions^ options,
OperationContext^ operationContext,
CancellationToken cancellationToken
) sealed
Parameters
- leaseTime
A TimeSpan representing the span of time for which to acquire the lease, which will be rounded down to seconds. Ifnull
, an infinite lease will be acquired. If not null, this must be greater than zero.
- proposedLeaseId
A string representing the proposed lease ID for the new lease, ornull
if no lease ID is proposed.
- accessCondition
An AccessCondition object that represents the condition that must be met in order for the request to proceed. Ifnull
, no condition is used.
- options
A BlobRequestOptions object that specifies additional options for the request.
- operationContext
An OperationContext object that represents the context for the current operation.
- cancellationToken
A CancellationToken to observe while waiting for a task to complete.
Return Value
A Task object of type string
that represents the asynchronous operation.
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Platforms
Development Platforms
Windows Vista, Windows 7 and Windows Server 2008
See Also
Reference
CloudBlockBlob Class
CloudBlockBlob Members
Microsoft.WindowsAzure.Storage.Blob Namespace