DataLakeDirectoryClient class
A DataLakeDirectoryClient represents a URL to the Azure Storage directory.
- Extends
Constructors
Data |
Creates an instance of DataLakePathClient from url and pipeline. |
Data |
Creates an instance of DataLakePathClient from url and credential. |
Properties
file |
Name of current file system. |
name | Name of current path (directory or file). |
Inherited Properties
account |
|
credential | Such as AnonymousCredential, StorageSharedKeyCredential or any credential from the |
url | Encoded URL string value. |
Methods
Inherited Methods
Constructor Details
DataLakeDirectoryClient(string, Pipeline)
Creates an instance of DataLakePathClient from url and pipeline.
new DataLakeDirectoryClient(url: string, pipeline: Pipeline)
Parameters
- url
-
string
A Client string pointing to Azure Storage data lake path (directory or file), such as "https://myaccount.dfs.core.windows.net/filesystem/directory" or "https://myaccount.dfs.core.windows.net/filesystem/file". You can append a SAS if using AnonymousCredential, such as "https://myaccount.dfs.core.windows.net/filesystem/directory?sasString".
- pipeline
- Pipeline
Call newPipeline() to create a default pipeline, or provide a customized pipeline.
DataLakeDirectoryClient(string, StorageSharedKeyCredential | AnonymousCredential | TokenCredential, StoragePipelineOptions)
Creates an instance of DataLakePathClient from url and credential.
new DataLakeDirectoryClient(url: string, credential?: StorageSharedKeyCredential | AnonymousCredential | TokenCredential, options?: StoragePipelineOptions)
Parameters
- url
-
string
A Client string pointing to Azure Storage data lake path (directory or file), such as "https://myaccount.dfs.core.windows.net/filesystem/directory" or "https://myaccount.dfs.core.windows.net/filesystem/file". You can append a SAS if using AnonymousCredential, such as "https://myaccount.dfs.core.windows.net/filesystem/directory?sasString".
- credential
-
StorageSharedKeyCredential | AnonymousCredential | TokenCredential
Such as AnonymousCredential, StorageSharedKeyCredential or any credential from the @azure/identity
package to authenticate requests to the service. You can also provide an object that implements the TokenCredential interface. If not specified, AnonymousCredential is used.
- options
- StoragePipelineOptions
Optional. Options to configure the HTTP pipeline.
Property Details
fileSystemName
Name of current file system.
string fileSystemName
Property Value
string
name
Name of current path (directory or file).
string name
Property Value
string
Inherited Property Details
accountName
credential
Such as AnonymousCredential, StorageSharedKeyCredential or any credential from the @azure/identity
package to authenticate requests to the service. You can also provide an object that implements the TokenCredential interface. If not specified, AnonymousCredential is used.
credential: StorageSharedKeyCredential | AnonymousCredential | TokenCredential
Property Value
Inherited From DataLakePathClient.credential
url
Method Details
create(DirectoryCreateOptions)
Create a directory.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create
function create(options?: DirectoryCreateOptions): Promise<DirectoryCreateResponse>
Parameters
- options
- DirectoryCreateOptions
Optional. Options when creating directory.
Returns
Promise<DirectoryCreateResponse>
create(PathResourceTypeModel, PathCreateOptions)
Create a directory.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create
function create(resourceType: PathResourceTypeModel, options?: PathCreateOptions): Promise<PathCreateResponse>
Parameters
- resourceType
- PathResourceTypeModel
Resource type, must be "directory" for DataLakeDirectoryClient.
- options
- PathCreateOptions
Optional. Options when creating directory.
Returns
Promise<PathCreateResponse>
createIfNotExists(DirectoryCreateIfNotExistsOptions)
Create a directory if it doesn't already exists.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create
function createIfNotExists(options?: DirectoryCreateIfNotExistsOptions): Promise<DirectoryCreateIfNotExistsResponse>
Parameters
Returns
Promise<DirectoryCreateIfNotExistsResponse>
createIfNotExists(PathResourceTypeModel, PathCreateIfNotExistsOptions)
Create a directory if it doesn't already exists.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create
function createIfNotExists(resourceType: PathResourceTypeModel, options?: PathCreateIfNotExistsOptions): Promise<PathCreateIfNotExistsResponse>
Parameters
- resourceType
- PathResourceTypeModel
Resource type, must be "directory" for DataLakeDirectoryClient.
- options
- PathCreateIfNotExistsOptions
Returns
Promise<PathCreateIfNotExistsResponse>
generateSasStringToSign(DirectoryGenerateSasUrlOptions)
Generates string to sign for a Service Shared Access Signature (SAS) URI based on the client properties and parameters passed in.
See https://docs.microsoft.com/en-us/rest/api/storageservices/constructing-a-service-sas
function generateSasStringToSign(options: DirectoryGenerateSasUrlOptions): string
Parameters
- options
- DirectoryGenerateSasUrlOptions
Optional parameters.
Returns
string
The SAS URI consisting of the URI to the resource represented by this client, followed by the generated SAS token.
generateSasUrl(DirectoryGenerateSasUrlOptions)
Only available for clients constructed with a shared key credential.
Generates a Service Shared Access Signature (SAS) URI based on the client properties and parameters passed in. The SAS is signed by the shared key credential of the client.
See https://docs.microsoft.com/en-us/rest/api/storageservices/constructing-a-service-sas
function generateSasUrl(options: DirectoryGenerateSasUrlOptions): Promise<string>
Parameters
- options
- DirectoryGenerateSasUrlOptions
Optional parameters.
Returns
Promise<string>
The SAS URI consisting of the URI to the resource represented by this client, followed by the generated SAS token.
generateUserDelegationSasStringToSign(DirectoryGenerateSasUrlOptions, UserDelegationKey)
Generates string to sign for a Service Shared Access Signature (SAS) URI based on the client properties and parameters passed in The SAS is signed by the input user delegation key.
See https://docs.microsoft.com/en-us/rest/api/storageservices/constructing-a-service-sas
function generateUserDelegationSasStringToSign(options: DirectoryGenerateSasUrlOptions, userDelegationKey: UserDelegationKey): string
Parameters
- options
- DirectoryGenerateSasUrlOptions
Optional parameters.
- userDelegationKey
- UserDelegationKey
Return value of blobServiceClient.getUserDelegationKey()
Returns
string
The SAS URI consisting of the URI to the resource represented by this client, followed by the generated SAS token.
generateUserDelegationSasUrl(DirectoryGenerateSasUrlOptions, UserDelegationKey)
Generates a Service Shared Access Signature (SAS) URI based on the client properties and parameters passed in. The SAS is signed by the input user delegation key.
See https://docs.microsoft.com/en-us/rest/api/storageservices/constructing-a-service-sas
function generateUserDelegationSasUrl(options: DirectoryGenerateSasUrlOptions, userDelegationKey: UserDelegationKey): Promise<string>
Parameters
- options
- DirectoryGenerateSasUrlOptions
Optional parameters.
- userDelegationKey
- UserDelegationKey
Return value of blobServiceClient.getUserDelegationKey()
Returns
Promise<string>
The SAS URI consisting of the URI to the resource represented by this client, followed by the generated SAS token.
getFileClient(string)
Creates a DataLakeFileClient object under current directory.
function getFileClient(fileName: string): DataLakeFileClient
Parameters
- fileName
-
string
Returns
getSubdirectoryClient(string)
Creates a DataLakeDirectoryClient object under current directory.
function getSubdirectoryClient(subdirectoryName: string): DataLakeDirectoryClient
Parameters
- subdirectoryName
-
string
Subdirectory name.
Returns
Inherited Method Details
delete(boolean, PathDeleteOptions)
Delete current path (directory or file).
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/delete
function delete(recursive?: boolean, options?: PathDeleteOptions): Promise<PathDeleteResponse>
Parameters
- recursive
-
boolean
Required and valid only when the resource is a directory. If "true", all paths beneath the directory will be deleted.
- options
- PathDeleteOptions
Optional. Options when deleting path.
Returns
Promise<PathDeleteResponse>
Inherited From DataLakePathClient.delete
deleteIfExists(boolean, PathDeleteOptions)
Delete current path (directory or file) if it exists.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/delete
function deleteIfExists(recursive?: boolean, options?: PathDeleteOptions): Promise<PathDeleteIfExistsResponse>
Parameters
- recursive
-
boolean
Required and valid only when the resource is a directory. If "true", all paths beneath the directory will be deleted.
- options
- PathDeleteOptions
Returns
Promise<PathDeleteIfExistsResponse>
Inherited From DataLakePathClient.deleteIfExists
exists(PathExistsOptions)
Returns true if the Data Lake file represented by this client exists; false otherwise.
NOTE: use this function with care since an existing file might be deleted by other clients or applications. Vice versa new files might be added by other clients or applications after this function completes.
function exists(options?: PathExistsOptions): Promise<boolean>
Parameters
- options
- PathExistsOptions
options to Exists operation.
Returns
Promise<boolean>
Inherited From DataLakePathClient.exists
getAccessControl(PathGetAccessControlOptions)
Returns the access control data for a path (directory of file).
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/getproperties
function getAccessControl(options?: PathGetAccessControlOptions): Promise<PathGetAccessControlResponse>
Parameters
- options
- PathGetAccessControlOptions
Optional. Options when getting file access control.
Returns
Promise<PathGetAccessControlResponse>
Inherited From DataLakePathClient.getAccessControl
getDataLakeLeaseClient(string)
Get a DataLakeLeaseClient that manages leases on the path (directory or file).
function getDataLakeLeaseClient(proposeLeaseId?: string): DataLakeLeaseClient
Parameters
- proposeLeaseId
-
string
Optional. Initial proposed lease Id.
Returns
Inherited From DataLakePathClient.getDataLakeLeaseClient
getProperties(PathGetPropertiesOptions)
Returns all user-defined metadata, standard HTTP properties, and system properties for the path (directory or file).
WARNING: The metadata
object returned in the response will have its keys in lowercase, even if
they originally contained uppercase characters. This differs from the metadata keys returned by
the methods of DataLakeFileSystemClient that list paths using the includeMetadata
option, which
will retain their original casing.
See https://docs.microsoft.com/en-us/rest/api/storageservices/get-blob-properties
function getProperties(options?: PathGetPropertiesOptions): Promise<PathGetPropertiesResponse>
Parameters
- options
- PathGetPropertiesOptions
Optional. Options when getting path properties.
Returns
Promise<PathGetPropertiesResponse>
Inherited From DataLakePathClient.getProperties
move(string, PathMoveOptions)
Move directory or file within same file system.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create
function move(destinationPath: string, options?: PathMoveOptions): Promise<PathMoveResponse>
Parameters
- destinationPath
-
string
Destination directory path like "directory" or file path "directory/file". If the destinationPath is authenticated with SAS, add the SAS to the destination path like "directory/file?sasToken".
- options
- PathMoveOptions
Optional. Options when moving directory or file.
Returns
Promise<PathMoveResponse>
Inherited From DataLakePathClient.move
move(string, string, PathMoveOptions)
Move directory or file to another file system.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create
function move(destinationFileSystem: string, destinationPath: string, options?: PathMoveOptions): Promise<PathMoveResponse>
Parameters
- destinationFileSystem
-
string
Destination file system like "filesystem".
- destinationPath
-
string
Destination directory path like "directory" or file path "directory/file" If the destinationPath is authenticated with SAS, add the SAS to the destination path like "directory/file?sasToken".
- options
- PathMoveOptions
Optional. Options when moving directory or file.
Returns
Promise<PathMoveResponse>
Inherited From DataLakePathClient.move
removeAccessControlRecursive(RemovePathAccessControlItem[], PathChangeAccessControlRecursiveOptions)
Removes the Access Control on a path and sub paths.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/update
function removeAccessControlRecursive(acl: RemovePathAccessControlItem[], options?: PathChangeAccessControlRecursiveOptions): Promise<PathChangeAccessControlRecursiveResponse>
Parameters
The POSIX access control list for the file or directory.
Optional. Options
Returns
Inherited From DataLakePathClient.removeAccessControlRecursive
setAccessControl(PathAccessControlItem[], PathSetAccessControlOptions)
Set the access control data for a path (directory of file).
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/update
function setAccessControl(acl: PathAccessControlItem[], options?: PathSetAccessControlOptions): Promise<PathSetAccessControlResponse>
Parameters
- acl
The POSIX access control list for the file or directory.
- options
- PathSetAccessControlOptions
Optional. Options when setting path access control.
Returns
Promise<PathSetAccessControlResponse>
Inherited From DataLakePathClient.setAccessControl
setAccessControlRecursive(PathAccessControlItem[], PathChangeAccessControlRecursiveOptions)
Sets the Access Control on a path and sub paths.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/update
function setAccessControlRecursive(acl: PathAccessControlItem[], options?: PathChangeAccessControlRecursiveOptions): Promise<PathChangeAccessControlRecursiveResponse>
Parameters
- acl
The POSIX access control list for the file or directory.
Optional. Options
Returns
Inherited From DataLakePathClient.setAccessControlRecursive
setHttpHeaders(PathHttpHeaders, PathSetHttpHeadersOptions)
Sets system properties on the path (directory or file).
If no value provided, or no value provided for the specified blob HTTP headers, these blob HTTP headers without a value will be cleared.
See https://docs.microsoft.com/en-us/rest/api/storageservices/set-blob-properties
function setHttpHeaders(httpHeaders: PathHttpHeaders, options?: PathSetHttpHeadersOptions): Promise<PathSetHttpHeadersResponse>
Parameters
- httpHeaders
- PathHttpHeaders
- options
- PathSetHttpHeadersOptions
Returns
Promise<PathSetHttpHeadersResponse>
Inherited From DataLakePathClient.setHttpHeaders
setMetadata(Metadata, PathSetMetadataOptions)
Sets user-defined metadata for the specified path (directory of file) as one or more name-value pairs.
If no option provided, or no metadata defined in the parameter, the path metadata will be removed.
See https://docs.microsoft.com/en-us/rest/api/storageservices/set-blob-metadata
function setMetadata(metadata?: Metadata, options?: PathSetMetadataOptions): Promise<PathSetMetadataResponse>
Parameters
- metadata
- Metadata
Optional. Replace existing metadata with this value. If no value provided the existing metadata will be removed.
- options
- PathSetMetadataOptions
Optional. Options when setting path metadata.
Returns
Promise<PathSetMetadataResponse>
Inherited From DataLakePathClient.setMetadata
setPermissions(PathPermissions, PathSetPermissionsOptions)
Sets the file permissions on a path.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/update
function setPermissions(permissions: PathPermissions, options?: PathSetPermissionsOptions): Promise<PathSetPermissionsResponse>
Parameters
- permissions
- PathPermissions
The POSIX access permissions for the file owner, the file owning group, and others.
- options
- PathSetPermissionsOptions
Optional. Options when setting path permissions.
Returns
Promise<PathSetPermissionsResponse>
Inherited From DataLakePathClient.setPermissions
toDirectoryClient()
Convert current DataLakePathClient to DataLakeDirectoryClient if current path is a directory.
function toDirectoryClient(): DataLakeDirectoryClient
Returns
Inherited From DataLakePathClient.toDirectoryClient
toFileClient()
Convert current DataLakePathClient to DataLakeFileClient if current path is a file.
function toFileClient(): DataLakeFileClient
Returns
Inherited From DataLakePathClient.toFileClient
updateAccessControlRecursive(PathAccessControlItem[], PathChangeAccessControlRecursiveOptions)
Modifies the Access Control on a path and sub paths.
See https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/update
function updateAccessControlRecursive(acl: PathAccessControlItem[], options?: PathChangeAccessControlRecursiveOptions): Promise<PathChangeAccessControlRecursiveResponse>
Parameters
- acl
The POSIX access control list for the file or directory.
Optional. Options
Returns
Inherited From DataLakePathClient.updateAccessControlRecursive