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DataLakeFileClient.cs
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DataLakeFileClient.cs
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
using System;
using System.Buffers;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Azure.Core;
using Azure.Core.Pipeline;
using Azure.Storage.Blobs.Models;
using Azure.Storage.Common;
using Azure.Storage.Files.DataLake.Models;
using Azure.Storage.Sas;
using Metadata = System.Collections.Generic.IDictionary<string, string>;
namespace Azure.Storage.Files.DataLake
{
/// <summary>
/// The <see cref="DataLakeFileClient"/> allows you to manipulate Azure Data Lake files.
/// </summary>
public class DataLakeFileClient : DataLakePathClient
{
/// <summary>
/// Gets the maximum number of bytes that can be sent in each append call in
/// to <see cref="UploadAsync(Stream, PathHttpHeaders, DataLakeRequestConditions, IProgress{long}, StorageTransferOptions, CancellationToken)"/>.
/// Supported value is now larger than <see cref="int.MaxValue"/>; please use
/// <see cref="MaxUploadLongBytes"/>.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
public virtual int MaxUploadBytes => ClientConfiguration.ClientOptions.Version < DataLakeClientOptions.ServiceVersion.V2019_12_12
? Constants.DataLake.Pre_2019_12_12_MaxAppendBytes
: int.MaxValue; // value is larger than can be represented by an int
/// <summary>
/// Gets the maximum number of bytes that can be sent in each append call in
/// <see cref="UploadAsync(Stream, PathHttpHeaders, DataLakeRequestConditions, IProgress{long}, StorageTransferOptions, CancellationToken)"/>.
/// </summary>
public virtual long MaxUploadLongBytes => ClientConfiguration.ClientOptions.Version < DataLakeClientOptions.ServiceVersion.V2019_12_12
? Constants.DataLake.Pre_2019_12_12_MaxAppendBytes
: Constants.DataLake.MaxAppendBytes;
#region ctors
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/>
/// class for mocking.
/// </summary>
protected DataLakeFileClient()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
public DataLakeFileClient(Uri fileUri)
: this(fileUri, (HttpPipelinePolicy)null, null, storageSharedKeyCredential:null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="options">
/// Optional <see cref="DataLakeClientOptions"/> that define the transport
/// pipeline policies for authentication, retries, etc., that are
/// applied to every request.
/// </param>
public DataLakeFileClient(Uri fileUri, DataLakeClientOptions options)
: this(fileUri, (HttpPipelinePolicy)null, options, storageSharedKeyCredential:null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeDirectoryClient"/>.
/// </summary>
/// <param name="connectionString">
/// A connection string includes the authentication information
/// required for your application to access data in an Azure Storage
/// account at runtime.
///
/// For more information,
/// <see href="https://docs.microsoft.com/azure/storage/common/storage-configure-connection-string">
/// Configure Azure Storage connection strings</see>
/// </param>
/// <param name="fileSystemName">
/// The name of the file system containing this path.
/// </param>
/// <param name="filePath">
/// The path to the file.
/// </param>
public DataLakeFileClient(
string connectionString,
string fileSystemName,
string filePath)
: this(connectionString, fileSystemName, filePath, null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeDirectoryClient"/>.
/// </summary>
/// <param name="connectionString">
/// A connection string includes the authentication information
/// required for your application to access data in an Azure Storage
/// account at runtime.
///
/// For more information,
/// <see href="https://docs.microsoft.com/azure/storage/common/storage-configure-connection-string">
/// Configure Azure Storage connection strings</see>
/// </param>
/// <param name="fileSystemName">
/// The name of the file system containing this path.
/// </param>
/// <param name="filePath">
/// The path to the file.
/// </param>
/// <param name="options">
/// Optional client options that define the transport pipeline
/// policies for authentication, retries, etc., that are applied to
/// every request.
/// </param>
public DataLakeFileClient(
string connectionString,
string fileSystemName,
string filePath,
DataLakeClientOptions options)
: base(connectionString, fileSystemName, filePath, options)
{
Argument.AssertNotNullOrWhiteSpace(filePath, nameof(filePath));
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="credential">
/// The shared key credential used to sign requests.
/// </param>
public DataLakeFileClient(Uri fileUri, StorageSharedKeyCredential credential)
: this(fileUri, credential.AsPolicy(), null, credential)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="credential">
/// The shared key credential used to sign requests.
/// </param>
/// <param name="options">
/// Optional <see cref="DataLakeClientOptions"/> that define the transport
/// pipeline policies for authentication, retries, etc., that are
/// applied to every request.
/// </param>
public DataLakeFileClient(Uri fileUri, StorageSharedKeyCredential credential, DataLakeClientOptions options)
: this(fileUri, credential.AsPolicy(), options, credential)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// Must not contain shared access signature, which should be passed in the second parameter.
/// </param>
/// <param name="credential">
/// The shared access signature credential used to sign requests.
/// </param>
/// <remarks>
/// This constructor should only be used when shared access signature needs to be updated during lifespan of this client.
/// </remarks>
public DataLakeFileClient(Uri fileUri, AzureSasCredential credential)
: this(fileUri, credential, null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// Must not contain shared access signature, which should be passed in the second parameter.
/// </param>
/// <param name="credential">
/// The shared access signature credential used to sign requests.
/// </param>
/// <param name="options">
/// Optional <see cref="DataLakeClientOptions"/> that define the transport
/// pipeline policies for authentication, retries, etc., that are
/// applied to every request.
/// </param>
/// <remarks>
/// This constructor should only be used when shared access signature needs to be updated during lifespan of this client.
/// </remarks>
public DataLakeFileClient(Uri fileUri, AzureSasCredential credential, DataLakeClientOptions options)
: this(fileUri, credential.AsPolicy<DataLakeUriBuilder>(fileUri), options, credential)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="credential">
/// The token credential used to sign requests.
/// </param>
public DataLakeFileClient(Uri fileUri, TokenCredential credential)
: this(fileUri, credential, new DataLakeClientOptions())
{
Errors.VerifyHttpsTokenAuth(fileUri);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="credential">
/// The token credential used to sign requests.
/// </param>
/// <param name="options">
/// Optional <see cref="DataLakeClientOptions"/> that define the transport
/// pipeline policies for authentication, retries, etc., that are
/// applied to every request.
/// </param>
public DataLakeFileClient(Uri fileUri, TokenCredential credential, DataLakeClientOptions options)
: this(
fileUri,
credential.AsPolicy(
string.IsNullOrEmpty(options?.Audience?.ToString()) ? DataLakeAudience.DefaultAudience.CreateDefaultScope() : options.Audience.Value.CreateDefaultScope(),
options),
options,
credential)
{
Errors.VerifyHttpsTokenAuth(fileUri);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/>
/// class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="authentication">
/// An optional authentication policy used to sign requests.
/// </param>
/// <param name="options">
/// Optional client options that define the transport pipeline
/// policies for authentication, retries, etc., that are applied to
/// every request.
/// </param>
/// <param name="storageSharedKeyCredential">
/// The shared key credential used to sign requests.
/// </param>
internal DataLakeFileClient(
Uri fileUri,
HttpPipelinePolicy authentication,
DataLakeClientOptions options,
StorageSharedKeyCredential storageSharedKeyCredential)
: base(
fileUri,
authentication,
options,
storageSharedKeyCredential: storageSharedKeyCredential,
sasCredential: null,
tokenCredential: null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/>
/// class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="authentication">
/// An optional authentication policy used to sign requests.
/// </param>
/// <param name="options">
/// Optional client options that define the transport pipeline
/// policies for authentication, retries, etc., that are applied to
/// every request.
/// </param>
/// <param name="sasCredential">
/// The shared key credential used to sign requests.
/// </param>
internal DataLakeFileClient(
Uri fileUri,
HttpPipelinePolicy authentication,
DataLakeClientOptions options,
AzureSasCredential sasCredential)
: base(fileUri,
authentication,
options,
storageSharedKeyCredential: null,
sasCredential: sasCredential,
tokenCredential: null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/>
/// class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the
/// file.
/// </param>
/// <param name="authentication">
/// An optional authentication policy used to sign requests.
/// </param>
/// <param name="options">
/// Optional client options that define the transport pipeline
/// policies for authentication, retries, etc., that are applied to
/// every request.
/// </param>
/// <param name="tokenCredential">
/// Token credential.
/// </param>
internal DataLakeFileClient(
Uri fileUri,
HttpPipelinePolicy authentication,
DataLakeClientOptions options,
TokenCredential tokenCredential)
: base(fileUri,
authentication,
options,
storageSharedKeyCredential: null,
sasCredential: null,
tokenCredential: tokenCredential)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/> class.
/// </summary>
/// <param name="fileUri">
/// A <see cref="Uri"/> referencing the file that includes the
/// name of the account, the name of the file system, and the path of the file.
/// </param>
/// <param name="clientConfiguration">
/// <see cref="DataLakeClientConfiguration"/>.
/// </param>
internal DataLakeFileClient(
Uri fileUri,
DataLakeClientConfiguration clientConfiguration)
: base(fileUri, clientConfiguration)
{
}
internal DataLakeFileClient(
Uri fileSystemUri,
string filePath,
DataLakeClientConfiguration clientConfiguration)
: base(
fileSystemUri,
filePath,
clientConfiguration)
{
}
#endregion ctors
/// <summary>
/// Initializes a new instance of the <see cref="DataLakeFileClient"/>
/// class with an identical <see cref="Uri"/> source but the specified
/// <paramref name="customerProvidedKey"/>.
///
/// </summary>
/// <param name="customerProvidedKey">The customer provided key.</param>
/// <returns>A new <see cref="DataLakeFileClient"/> instance.</returns>
/// <remarks>
/// Pass null to remove the customer provide key in the returned <see cref="DataLakeFileClient"/>.
/// </remarks>
public new DataLakeFileClient WithCustomerProvidedKey(Models.DataLakeCustomerProvidedKey? customerProvidedKey)
{
DataLakeClientConfiguration newClientConfiguration = DataLakeClientConfiguration.DeepCopy(ClientConfiguration);
newClientConfiguration.CustomerProvidedKey = customerProvidedKey;
return new DataLakeFileClient(
fileUri: Uri,
clientConfiguration: newClientConfiguration);
}
#region Create
/// <summary>
/// The <see cref="Create(DataLakePathCreateOptions, CancellationToken)"/> operation creates a file.
/// If the file already exists, it will be overwritten. If you don't intent to overwrite
/// an existing file, consider using the <see cref="CreateIfNotExists(DataLakePathCreateOptions, CancellationToken)"/> API.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="options">
/// Optional parameters.
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
public virtual Response<PathInfo> Create(
DataLakePathCreateOptions options = default,
CancellationToken cancellationToken = default)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(Create)}");
try
{
scope.Start();
return base.Create(
resourceType: PathResourceType.File,
options: options,
cancellationToken: cancellationToken);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
/// <summary>
/// The <see cref="CreateAsync(DataLakePathCreateOptions, CancellationToken)"/> operation creates a file.
/// If the file already exists, it will be overwritten. If you don't intent to overwrite
/// an existing file, consider using the <see cref="CreateIfNotExistsAsync(DataLakePathCreateOptions, CancellationToken)"/> API.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="options">
/// Optional parameters.
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
public virtual async Task<Response<PathInfo>> CreateAsync(
DataLakePathCreateOptions options = default,
CancellationToken cancellationToken = default)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(Create)}");
try
{
scope.Start();
return await base.CreateAsync(
resourceType: PathResourceType.File,
options: options,
cancellationToken: cancellationToken)
.ConfigureAwait(false);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
/// <summary>
/// The <see cref="Create(PathHttpHeaders, Metadata, string, string, DataLakeRequestConditions, CancellationToken)"/> operation creates a file.
/// If the file already exists, it will be overwritten. If you don't intent to overwrite
/// an existing file, consider using the <see cref="CreateIfNotExists(PathHttpHeaders, Metadata, string, string, CancellationToken)"/> API.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="httpHeaders">
/// Optional standard HTTP header properties that can be set for the
/// new file or directory..
/// </param>
/// <param name="metadata">
/// Optional custom metadata to set for this file or directory.
/// </param>
/// <param name="permissions">
/// Optional and only valid if Hierarchical Namespace is enabled for the account. Sets POSIX access
/// permissions for the file owner, the file owning group, and others. Each class may be granted read,
/// write, or execute permission. The sticky bit is also supported. Both symbolic (rwxrw-rw-) and 4-digit
/// octal notation (e.g. 0766) are supported.
/// </param>
/// <param name="umask">
/// Optional and only valid if Hierarchical Namespace is enabled for the account.
/// When creating a file or directory and the parent folder does not have a default ACL,
/// the umask restricts the permissions of the file or directory to be created. The resulting
/// permission is given by p bitwise-and ^u, where p is the permission and u is the umask. For example,
/// if p is 0777 and u is 0057, then the resulting permission is 0720. The default permission is
/// 0777 for a directory and 0666 for a file. The default umask is 0027. The umask must be specified
/// in 4-digit octal notation (e.g. 0766).
/// </param>
/// <param name="conditions">
/// Optional <see cref="DataLakeRequestConditions"/> to add
/// conditions on the creation of this file or directory.
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
[EditorBrowsable(EditorBrowsableState.Never)]
#pragma warning disable AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
public virtual Response<PathInfo> Create(
#pragma warning restore AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
PathHttpHeaders httpHeaders,
Metadata metadata,
string permissions,
string umask,
DataLakeRequestConditions conditions,
CancellationToken cancellationToken)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(Create)}");
try
{
scope.Start();
return base.Create(
PathResourceType.File,
httpHeaders,
metadata,
permissions,
umask,
conditions,
cancellationToken);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
/// <summary>
/// The <see cref="CreateAsync(PathHttpHeaders, Metadata, string, string, DataLakeRequestConditions, CancellationToken)"/> operation creates a file.
/// If the file already exists, it will be overwritten. If you don't intent to overwrite
/// an existing file, consider using the <see cref="CreateIfNotExistsAsync(PathHttpHeaders, Metadata, string, string, CancellationToken)"/> API.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="httpHeaders">
/// Optional standard HTTP header properties that can be set for the
/// new file or directory..
/// </param>
/// <param name="metadata">
/// Optional custom metadata to set for this file or directory.
/// </param>
/// <param name="permissions">
/// Optional and only valid if Hierarchical Namespace is enabled for the account. Sets POSIX access
/// permissions for the file owner, the file owning group, and others. Each class may be granted read,
/// write, or execute permission. The sticky bit is also supported. Both symbolic (rwxrw-rw-) and 4-digit
/// octal notation (e.g. 0766) are supported.
/// </param>
/// <param name="umask">
/// Optional and only valid if Hierarchical Namespace is enabled for the account.
/// When creating a file or directory and the parent folder does not have a default ACL,
/// the umask restricts the permissions of the file or directory to be created. The resulting
/// permission is given by p bitwise-and ^u, where p is the permission and u is the umask. For example,
/// if p is 0777 and u is 0057, then the resulting permission is 0720. The default permission is
/// 0777 for a directory and 0666 for a file. The default umask is 0027. The umask must be specified
/// in 4-digit octal notation (e.g. 0766).
/// </param>
/// <param name="conditions">
/// Optional <see cref="DataLakeRequestConditions"/> to add
/// conditions on the creation of this file or directory.
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
[EditorBrowsable(EditorBrowsableState.Never)]
#pragma warning disable AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
public virtual async Task<Response<PathInfo>> CreateAsync(
#pragma warning restore AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
PathHttpHeaders httpHeaders,
Metadata metadata,
string permissions,
string umask,
DataLakeRequestConditions conditions,
CancellationToken cancellationToken)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(Create)}");
try
{
scope.Start();
return await base.CreateAsync(
PathResourceType.File,
httpHeaders,
metadata,
permissions,
umask,
conditions,
cancellationToken)
.ConfigureAwait(false);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
#endregion Create
#region Create If Not Exists
/// <summary>
/// The <see cref="CreateIfNotExists(DataLakePathCreateOptions, CancellationToken)"/> operation creates a file.
/// If the file already exists, it is not changed.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="options">
/// Optional parameters.
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
public virtual Response<PathInfo> CreateIfNotExists(
DataLakePathCreateOptions options = default,
CancellationToken cancellationToken = default)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(CreateIfNotExists)}");
try
{
scope.Start();
return base.CreateIfNotExists(
resourceType: PathResourceType.File,
options: options,
cancellationToken: cancellationToken);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
/// <summary>
/// The <see cref="CreateIfNotExistsAsync(DataLakePathCreateOptions, CancellationToken)"/> operation creates a file.
/// If the file already exists, it is not changed.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="options">
/// Optional parameters.
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
public virtual async Task<Response<PathInfo>> CreateIfNotExistsAsync(
DataLakePathCreateOptions options = default,
CancellationToken cancellationToken = default)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(CreateIfNotExists)}");
try
{
scope.Start();
return await base.CreateIfNotExistsAsync(
resourceType: PathResourceType.File,
options: options,
cancellationToken: cancellationToken)
.ConfigureAwait(false);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
/// <summary>
/// The <see cref="CreateIfNotExists(PathHttpHeaders, Metadata, string, string, CancellationToken)"/> operation creates a file.
/// If the file already exists, it is not changed.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="httpHeaders">
/// Optional standard HTTP header properties that can be set for the
/// new file or directory..
/// </param>
/// <param name="metadata">
/// Optional custom metadata to set for this file or directory..
/// </param>
/// <param name="permissions">
/// Optional and only valid if Hierarchical Namespace is enabled for the account. Sets POSIX access
/// permissions for the file owner, the file owning group, and others. Each class may be granted read,
/// write, or execute permission. The sticky bit is also supported. Both symbolic (rwxrw-rw-) and 4-digit
/// octal notation (e.g. 0766) are supported.
/// </param>
/// <param name="umask">
/// Optional and only valid if Hierarchical Namespace is enabled for the account.
/// When creating a file or directory and the parent folder does not have a default ACL,
/// the umask restricts the permissions of the file or directory to be created. The resulting
/// permission is given by p bitwise-and ^u, where p is the permission and u is the umask. For example,
/// if p is 0777 and u is 0057, then the resulting permission is 0720. The default permission is
/// 0777 for a directory and 0666 for a file. The default umask is 0027. The umask must be specified
/// in 4-digit octal notation (e.g. 0766).
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
[EditorBrowsable(EditorBrowsableState.Never)]
#pragma warning disable AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
public virtual Response<PathInfo> CreateIfNotExists(
#pragma warning restore AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
PathHttpHeaders httpHeaders,
Metadata metadata,
string permissions,
string umask,
CancellationToken cancellationToken)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(CreateIfNotExists)}");
try
{
scope.Start();
return base.CreateIfNotExists(
PathResourceType.File,
httpHeaders,
metadata,
permissions,
umask,
cancellationToken);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
/// <summary>
/// The <see cref="CreateIfNotExistsAsync(PathHttpHeaders, Metadata, string, string, CancellationToken)"/> operation creates a file.
/// If the file already exists, it is not changed.
///
/// For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/create.
/// </summary>
/// <param name="httpHeaders">
/// Optional standard HTTP header properties that can be set for the
/// new file or directory..
/// </param>
/// <param name="metadata">
/// Optional custom metadata to set for this file or directory..
/// </param>
/// <param name="permissions">
/// Optional and only valid if Hierarchical Namespace is enabled for the account. Sets POSIX access
/// permissions for the file owner, the file owning group, and others. Each class may be granted read,
/// write, or execute permission. The sticky bit is also supported. Both symbolic (rwxrw-rw-) and 4-digit
/// octal notation (e.g. 0766) are supported.
/// </param>
/// <param name="umask">
/// Optional and only valid if Hierarchical Namespace is enabled for the account.
/// When creating a file or directory and the parent folder does not have a default ACL,
/// the umask restricts the permissions of the file or directory to be created. The resulting
/// permission is given by p bitwise-and ^u, where p is the permission and u is the umask. For example,
/// if p is 0777 and u is 0057, then the resulting permission is 0720. The default permission is
/// 0777 for a directory and 0666 for a file. The default umask is 0027. The umask must be specified
/// in 4-digit octal notation (e.g. 0766).
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response{PathInfo}"/> describing the
/// newly created file.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
[EditorBrowsable(EditorBrowsableState.Never)]
#pragma warning disable AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
public virtual async Task<Response<PathInfo>> CreateIfNotExistsAsync(
#pragma warning restore AZC0002 // DO ensure all service methods, both asynchronous and synchronous, take an optional CancellationToken parameter called cancellationToken.
PathHttpHeaders httpHeaders,
Metadata metadata,
string permissions,
string umask,
CancellationToken cancellationToken)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(CreateIfNotExists)}");
try
{
scope.Start();
return await base.CreateIfNotExistsAsync(
PathResourceType.File,
httpHeaders,
metadata,
permissions,
umask,
cancellationToken)
.ConfigureAwait(false);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
#endregion Create If Not Exists
#region Delete
/// <summary>
/// The <see cref="Delete"/> operation marks the specified path
/// deletion. The path is later deleted during
/// garbage collection which could take several minutes.
///
/// For more information, see
/// <see href="https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/delete">
/// Delete Path</see>.
/// </summary>
/// <param name="conditions">
/// Optional <see cref="DataLakeRequestConditions"/> to add conditions on
/// deleting this path.
/// </param>
/// <param name="cancellationToken">
/// Optional <see cref="CancellationToken"/> to propagate
/// notifications that the operation should be cancelled.
/// </param>
/// <returns>
/// A <see cref="Response"/> on successfully marking for deletion.
/// </returns>
/// <remarks>
/// A <see cref="RequestFailedException"/> will be thrown if
/// a failure occurs.
/// </remarks>
public virtual Response Delete(
DataLakeRequestConditions conditions = default,
CancellationToken cancellationToken = default)
{
DiagnosticScope scope = ClientConfiguration.ClientDiagnostics.CreateScope($"{nameof(DataLakeFileClient)}.{nameof(Delete)}");
try
{
scope.Start();
return base.Delete(
recursive: null,
conditions,
cancellationToken);
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
finally
{
scope.Dispose();
}
}
/// <summary>
/// The <see cref="DeleteAsync"/> operation marks the specified path
/// deletion. The path is later deleted during
/// garbage collection which could take several minutes.
///
/// For more information, see
/// <see href="https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/path/delete">
/// Delete Path</see>.
/// </summary>
/// <param name="conditions">
/// Optional <see cref="DataLakeRequestConditions"/> to add conditions on
/// deleting this path.
/// </param>