DataLakeFileSystemClient.Exists(CancellationToken) Method
Definition
Important
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The Exists(CancellationToken) operation can be called on a DataLakeFileClient to see if the associated file system exists on the storage account in the storage service.
public virtual Azure.Response<bool> Exists (System.Threading.CancellationToken cancellationToken = default);
abstract member Exists : System.Threading.CancellationToken -> Azure.Response<bool>
override this.Exists : System.Threading.CancellationToken -> Azure.Response<bool>
Public Overridable Function Exists (Optional cancellationToken As CancellationToken = Nothing) As Response(Of Boolean)
Parameters
- cancellationToken
- CancellationToken
Optional CancellationToken to propagate notifications that the operation should be cancelled.
Returns
Returns true if the file system exists.
Remarks
A RequestFailedException will be thrown if a failure occurs. If you want to create the file system if it doesn't exist, use CreateIfNotExists(DataLakeFileSystemCreateOptions, CancellationToken) instead.
Applies to
Azure SDK for .NET
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