2 /* -----------------------------------------------------------------------
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3 * <copyright file="ICloudClient.cs" company="GRNet">
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5 * Copyright 2011-2012 GRNET S.A. All rights reserved.
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7 * Redistribution and use in source and binary forms, with or
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8 * without modification, are permitted provided that the following
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9 * conditions are met:
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11 * 1. Redistributions of source code must retain the above
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12 * copyright notice, this list of conditions and the following
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15 * 2. Redistributions in binary form must reproduce the above
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16 * copyright notice, this list of conditions and the following
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17 * disclaimer in the documentation and/or other materials
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18 * provided with the distribution.
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21 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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32 * POSSIBILITY OF SUCH DAMAGE.
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34 * The views and conclusions contained in the software and
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35 * documentation are those of the authors and should not be
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36 * interpreted as representing official policies, either expressed
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37 * or implied, of GRNET S.A.
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39 * -----------------------------------------------------------------------
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43 using System.Collections.Generic;
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44 using System.Diagnostics.Contracts;
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46 using System.Threading;
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47 using System.Threading.Tasks;
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48 using Pithos.Interfaces;
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50 namespace Pithos.Network
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52 [ContractClass(typeof(ICloudClientContract))]
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53 public interface ICloudClient
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56 string ApiKey { get; set; }
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57 string UserName { get; set; }
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58 Uri StorageUrl { get; set; }
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60 string Token { get; set; }
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62 bool UsePithos { get; set; }
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63 Task<AccountInfo> Authenticate();
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64 //WebProxy Proxy { get; set; }
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65 double DownloadPercentLimit { get; set; }
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66 double UploadPercentLimit { get; set; }
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67 string AuthenticationUrl { get; set; }
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69 #region Container operations
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71 Task<IList<ContainerInfo>> ListContainers(string account);
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72 IList<ObjectInfo> ListObjects(string account, Uri container, DateTimeOffset? since = null);
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73 IList<ObjectInfo> ListObjects(string account, Uri container, Uri folder, DateTimeOffset? since = null);
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74 Task<bool> ContainerExists(string account, Uri container);
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75 Task<ContainerInfo> GetContainerInfo(string account, Uri container);
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76 Task CreateContainer(string account, Uri container);
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77 Task DeleteContainer(string account, Uri container);
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80 #region Object operations
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81 Task GetObject(string account, Uri container, Uri objectName, string fileName, CancellationToken cancellationToken);
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82 Task PutObject(string account, Uri container, Uri objectName, string fileName, string hash = null, string contentType = "application/octet-stream");
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83 Task DeleteObject(string account, Uri container, Uri objectName, bool isDirectory);
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84 //void DeleteObject(string container, string objectName, string account = null);
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85 Task MoveObject(string account, Uri sourceContainer, Uri oldObjectName, Uri targetContainer, Uri newObjectName);
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86 Task<bool> ObjectExists(string account, Uri container, Uri objectName);
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87 Task<ObjectInfo> GetObjectInfo(string account, Uri container, Uri objectName);
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88 Task CreateFolder(string account, Uri container, Uri folder);
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91 #region Hashmap operations
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92 Task<TreeHash> GetHashMap(string account, Uri container, Uri objectName);
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93 Task<IList<string>> PutHashMap(string account, Uri container, Uri objectName, TreeHash hash);
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94 Task PostBlock(string account, Uri container, byte[] block, int offset, int count,string blockHash, CancellationToken token);
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95 Task<byte[]> GetBlock(string account, Uri container, Uri relativeUrl, long start, long? end, CancellationToken cancellationToken);
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98 #region Sharing operations
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99 IList<ObjectInfo> ListSharedObjects(HashSet<string> knownContainers, DateTimeOffset? since);
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100 void ShareObject(string account, Uri container, Uri objectName, string shareTo, bool read, bool write);
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104 Task<AccountInfo> GetAccountPolicies(AccountInfo accountInfo);
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106 void UpdateMetadata(ObjectInfo objectInfo);
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108 void UpdateMetadata(ContainerInfo Container);
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109 IList<ShareAccountInfo> ListSharingAccounts(DateTime? since=null);
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110 Task WipeContainer(string account, Uri container);
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114 [ContractClassFor(typeof(ICloudClient))]
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115 public abstract class ICloudClientContract:ICloudClient
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118 public string ApiKey { get; set; }
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119 public string UserName { get; set; }
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120 public Uri StorageUrl { get; set; }
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121 public string Token { get; set; }
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123 public double DownloadPercentLimit { get; set; }
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124 public double UploadPercentLimit { get; set; }
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126 public string AuthenticationUrl { get; set; }
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128 public bool UsePithos { get; set; }
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130 public Task<AccountInfo> Authenticate()
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132 Contract.Requires<ArgumentNullException>(!String.IsNullOrWhiteSpace(ApiKey), "ApiKey must be filled before calling Authenticate");
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133 Contract.Requires<ArgumentNullException>(!String.IsNullOrWhiteSpace(UserName), "UserName must be filled before calling Authenticate");
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135 return default(Task<AccountInfo>);
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138 public Task<IList<ContainerInfo>> ListContainers(string account)
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140 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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141 Contract.Requires(StorageUrl!=null);
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143 return default(Task<IList<ContainerInfo>>);
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146 public IList<ObjectInfo> ListSharedObjects(HashSet<string> knownContainers, DateTimeOffset? since)
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149 Contract.Requires(knownContainers!=null);
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150 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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151 Contract.Requires(StorageUrl != null);
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153 return default(IList<ObjectInfo>);
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156 public void ShareObject(string account, Uri container, Uri objectName, string shareTo, bool read, bool write)
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159 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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160 Contract.Requires(StorageUrl != null);
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161 Contract.Requires(container!=null);
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162 Contract.Requires(!container.IsAbsoluteUri);
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163 Contract.Requires(objectName != null);
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164 Contract.Requires(!objectName.IsAbsoluteUri);
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165 Contract.Requires(!String.IsNullOrWhiteSpace(account));
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166 Contract.Requires(!String.IsNullOrWhiteSpace(shareTo));
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170 public Task<AccountInfo> GetAccountPolicies(AccountInfo accountInfo)
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172 Contract.Requires(accountInfo!=null);
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174 return default(Task<AccountInfo>);
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177 public void UpdateMetadata(ObjectInfo objectInfo)
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179 Contract.Requires(objectInfo!=null);
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184 public void UpdateMetadata(ContainerInfo objectInfo)
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186 Contract.Requires(objectInfo!=null);
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191 public IList<ShareAccountInfo> ListSharingAccounts(DateTime? since = new DateTime?())
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193 return default(IList<ShareAccountInfo>);
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196 public Task WipeContainer(string account, Uri container)
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198 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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199 Contract.Requires(StorageUrl != null);
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200 Contract.Requires(container != null);
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201 Contract.Requires(!container.IsAbsoluteUri);
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203 return default(Task);
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207 public IList<ObjectInfo> ListObjects(string account, Uri container, DateTimeOffset? since = null)
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210 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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211 Contract.Requires(StorageUrl != null);
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212 Contract.Requires(container != null);
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213 Contract.Requires(!container.IsAbsoluteUri);
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215 return default(IList<ObjectInfo>);
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218 public IList<ObjectInfo> ListObjects(string account, Uri container, Uri folder, DateTimeOffset? since = null)
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221 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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222 Contract.Requires(StorageUrl != null);
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223 Contract.Requires(container != null);
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224 Contract.Requires(!container.IsAbsoluteUri);
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226 //Contract.Requires(!String.IsNullOrWhiteSpace(folder));
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228 return default(IList<ObjectInfo>);
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231 public Task<bool> ContainerExists(string account, Uri container)
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234 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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235 Contract.Requires(StorageUrl!=null);
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236 Contract.Requires(container != null);
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237 Contract.Requires(!container.IsAbsoluteUri);
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239 return default(Task<bool>);
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242 public Task<ContainerInfo> GetContainerInfo(string account, Uri container)
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245 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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246 Contract.Requires(StorageUrl!=null);
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247 Contract.Requires(container != null);
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248 Contract.Requires(!container.IsAbsoluteUri);
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250 return default(Task<ContainerInfo>);
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253 public Task CreateContainer(string account, Uri container)
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256 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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257 Contract.Requires(StorageUrl!=null);
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258 Contract.Requires(container != null);
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259 Contract.Requires(!container.IsAbsoluteUri);
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261 return default(Task);
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264 public Task DeleteContainer(string account, Uri container)
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267 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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268 Contract.Requires(StorageUrl!=null);
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269 Contract.Requires(container != null);
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270 Contract.Requires(!container.IsAbsoluteUri);
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272 return default(Task);
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275 public Task GetObject(string account, Uri container, Uri objectName, string fileName, CancellationToken cancellationToken)
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278 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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279 Contract.Requires(StorageUrl!=null);
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280 Contract.Requires(container != null);
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281 Contract.Requires(!container.IsAbsoluteUri);
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282 Contract.Requires(objectName != null);
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283 Contract.Requires(!objectName.IsAbsoluteUri);
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285 return default(Task);
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288 public Task PutObject(string account, Uri container, Uri objectName, string fileName, string hash = null, string contentType = "application/octet-stream")
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291 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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292 Contract.Requires(StorageUrl!=null);
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293 Contract.Requires(!String.IsNullOrWhiteSpace(fileName));
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294 Contract.Requires(container != null);
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295 Contract.Requires(!container.IsAbsoluteUri);
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296 Contract.Requires(objectName != null);
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297 Contract.Requires(!objectName.IsAbsoluteUri);
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298 Contract.Requires(!String.IsNullOrWhiteSpace(contentType));
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300 return default(Task);
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303 public Task DeleteObject(string account, Uri container, Uri objectName, bool isDirectory)
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306 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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307 Contract.Requires(StorageUrl!=null);
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308 Contract.Requires(container != null);
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309 Contract.Requires(!container.IsAbsoluteUri);
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310 Contract.Requires(objectName != null);
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311 Contract.Requires(!objectName.IsAbsoluteUri);
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313 return default(Task);
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316 public Task MoveObject(string account, Uri sourceContainer, Uri oldObjectName, Uri targetContainer, Uri newObjectName)
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319 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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320 Contract.Requires(StorageUrl!=null);
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321 Contract.Requires(sourceContainer != null);
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322 Contract.Requires(!sourceContainer.IsAbsoluteUri);
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323 Contract.Requires(oldObjectName != null);
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324 Contract.Requires(!oldObjectName.IsAbsoluteUri);
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326 Contract.Requires(targetContainer != null);
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327 Contract.Requires(!targetContainer.IsAbsoluteUri);
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328 Contract.Requires(newObjectName != null);
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329 Contract.Requires(!newObjectName.IsAbsoluteUri);
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331 return default(Task);
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334 public Task<bool> ObjectExists(string account, Uri container, Uri objectName)
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337 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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338 Contract.Requires(StorageUrl!=null);
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339 Contract.Requires(container != null);
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340 Contract.Requires(!container.IsAbsoluteUri);
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341 Contract.Requires(objectName != null);
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342 Contract.Requires(!objectName.IsAbsoluteUri);
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344 return default(Task<bool>);
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347 public Task<ObjectInfo> GetObjectInfo(string account, Uri container, Uri objectName)
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350 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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351 Contract.Requires(StorageUrl!=null);
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352 Contract.Requires(container != null);
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353 Contract.Requires(!container.IsAbsoluteUri);
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354 Contract.Requires(objectName != null);
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355 Contract.Requires(!objectName.IsAbsoluteUri);
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357 return default(Task<ObjectInfo>);
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360 public Task CreateFolder(string account, Uri container, Uri folder)
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363 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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364 Contract.Requires(StorageUrl != null);
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365 Contract.Requires(container != null);
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366 Contract.Requires(!container.IsAbsoluteUri);
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367 Contract.Requires(folder != null);
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368 Contract.Requires(!folder .IsAbsoluteUri);
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370 return default(Task);
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373 public Task<TreeHash> GetHashMap(string account, Uri container, Uri objectName)
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376 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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377 Contract.Requires(StorageUrl != null);
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378 Contract.Requires(container != null);
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379 Contract.Requires(!container.IsAbsoluteUri);
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380 Contract.Requires(objectName != null);
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381 Contract.Requires(!objectName.IsAbsoluteUri);
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383 return default(Task<TreeHash>);
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386 public Task<IList<string>> PutHashMap(string account, Uri container, Uri objectName, TreeHash hash)
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389 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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390 Contract.Requires(StorageUrl != null);
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391 Contract.Requires(container != null);
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392 Contract.Requires(!container.IsAbsoluteUri);
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393 Contract.Requires(objectName != null);
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394 Contract.Requires(!objectName.IsAbsoluteUri);
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395 Contract.Requires(hash != null);
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397 return default(Task<IList<string>>);
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400 public Task PostBlock(string account, Uri container, byte[] block, int offset, int count, string blockHash,CancellationToken token)
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403 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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404 Contract.Requires(StorageUrl != null);
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405 Contract.Requires(container != null);
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406 Contract.Requires(!container.IsAbsoluteUri);
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407 Contract.Requires(block != null);
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408 Contract.Requires(offset>=0);
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409 Contract.Requires(offset < block.Length);
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410 Contract.Requires(count>=0);
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411 Contract.Requires(count <= block.Length);
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413 return default(Task);
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416 public Task<byte[]> GetBlock(string account, Uri container, Uri relativeUrl, long start, long? end, CancellationToken cancellationToken)
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419 Contract.Requires(!String.IsNullOrWhiteSpace(Token));
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420 Contract.Requires(StorageUrl != null);
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421 Contract.Requires(container != null);
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422 Contract.Requires(!container.IsAbsoluteUri);
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423 Contract.Requires(relativeUrl != null);
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424 Contract.Requires(start>=0);
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425 Contract.Requires(end==null || end>=0);
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427 return default(Task<byte[]>);
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