DataLakeFileSystemClient.Exists(CancellationToken) Method

Reference

Definition

Namespace:: Azure.Storage.Files.DataLake

Assembly:: Azure.Storage.Files.DataLake.dll

Package:: Azure.Storage.Files.DataLake v12.20.1

Package:: Azure.Storage.Files.DataLake v12.21.0-beta.2

Source:: DataLakeFileSystemClient.cs

Source:: DataLakeFileSystemClient.cs

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

Response<Boolean>

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

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