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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
using System.Collections.Generic;
using Microsoft.WindowsAzure.Storage.Blob;
namespace Org.Apache.REEF.IO.FileSystem.AzureBlob
{
/// <summary>
/// A proxy interface for CloudBlobDirectory, mainly in order to fake for testing.
/// </summary>
internal interface ICloudBlobDirectory
{
/// <summary>
/// Gets a reference to a Blob "directory." Note that Azure Blob does not actually support
/// the concept of directories, so in reality this is more of a convenience method.
/// </summary>
/// <param name="directoryName">The name of the blob "directory"</param>
/// <returns>A reference to the blob "directory"</returns>
ICloudBlobDirectory GetDirectoryReference(string directoryName);
/// <summary>
/// Lists the blobs.
/// </summary>
/// <param name="useFlatListing">
/// If true, recursively lists all blobs.
/// Otherwise, "directories" can be listed as well.
/// </param>
/// <returns>
/// An <see cref="IEnumerable{T}"/> of blob items that can be either a type of blob
/// or blob directories.
/// </returns>
IEnumerable<IListBlobItem> ListBlobs(bool useFlatListing = false);
}
}