AdlsClient.CreateFileAsync Method
Definition
Important
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Asynchronous API that creates a file and returns the stream to write data to that file in ADLS. The file is opened with exclusive access - any attempt to open the same file for append will fail while this stream is open.
Threading: The returned stream is not thread-safe.
public virtual System.Threading.Tasks.Task<Microsoft.Azure.DataLake.Store.AdlsOutputStream> CreateFileAsync(string filename, Microsoft.Azure.DataLake.Store.IfExists mode, string octalPermission = default, bool createParent = true, System.Threading.CancellationToken cancelToken = default);abstract member CreateFileAsync : string * Microsoft.Azure.DataLake.Store.IfExists * string * bool * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.Azure.DataLake.Store.AdlsOutputStream>
override this.CreateFileAsync : string * Microsoft.Azure.DataLake.Store.IfExists * string * bool * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.Azure.DataLake.Store.AdlsOutputStream>Public Overridable Function CreateFileAsync (filename As String, mode As IfExists, Optional octalPermission As String = Nothing, Optional createParent As Boolean = true, Optional cancelToken As CancellationToken = Nothing) As Task(Of AdlsOutputStream)Parameters
- filename
- String
File name
- mode
- IfExists
Overwrites the existing file if the mode is Overwrite
- octalPermission
- String
Octal permission string, can be null
- createParent
- Boolean
If true creates any non-existing parent directories
- cancelToken
- CancellationToken
CancellationToken to cancel the request
Returns
Output stream
