public async Task Foo()
{
#region sharding_1
var shards = new Dictionary <string, IAsyncFilesCommands>
{
{ "europe", new AsyncFilesServerClient("http://localhost:8080", "NorthwindFS") },
{ "asia", new AsyncFilesServerClient("http://localhost:8081", "NorthwindFS") },
};
var shardStrategy = new ShardStrategy(shards)
{
/*
* ShardAccessStrategy = ...
* ShardResolutionStrategy = ...
* ModifyFileName = ...
*/
};
var shardedCommands = new AsyncShardedFilesServerClient(shardStrategy);
#endregion
#region file_operations
string fileName = await shardedCommands.UploadAsync("test.bin", new RavenJObject()
{
{
"Owner", "Admin"
}
}, new MemoryStream()); // will return either /europe/test.bin or /asia/test.bin name
// you need to pass the returned file name here to let the client know on which shard the file exists
using (var content = await shardedCommands.DownloadAsync(fileName))
{
}
string renamed = await shardedCommands.RenameAsync(fileName, "new.bin");
await shardedCommands.DeleteAsync(renamed);
#endregion
#region search_browse_operations
FileHeader[] fileHeaders = await shardedCommands.BrowseAsync();
SearchResults searchResults = await shardedCommands.SearchAsync("__fileName:test*");
#endregion
#region custom_shard_res_strategy_2
var strategy = new ShardStrategy(shards);
strategy.ShardResolutionStrategy = new RegionMetadataBasedResolutionStrategy(shards.Keys.ToList(), strategy.ModifyFileName, strategy.Conventions);
var client = new AsyncShardedFilesServerClient(strategy);
#endregion
}
public async Task Foo()
{
#region sharding_1
var shards = new Dictionary<string, IAsyncFilesCommands>
{
{"europe", new AsyncFilesServerClient("http://localhost:8080", "NorthwindFS")},
{"asia", new AsyncFilesServerClient("http://localhost:8081", "NorthwindFS")},
};
var shardStrategy = new ShardStrategy(shards)
{
/*
ShardAccessStrategy = ...
ShardResolutionStrategy = ...
ModifyFileName = ...
*/
};
var shardedCommands = new AsyncShardedFilesServerClient(shardStrategy);
#endregion
#region file_operations
string fileName = await shardedCommands.UploadAsync("test.bin", new RavenJObject()
{
{
"Owner", "Admin"
}
}, new MemoryStream()); // will return either /europe/test.bin or /asia/test.bin name
// you need to pass the returned file name here to let the client know on which shard the file exists
using (var content = await shardedCommands.DownloadAsync(fileName))
{
}
string renamed = await shardedCommands.RenameAsync(fileName, "new.bin");
await shardedCommands.DeleteAsync(renamed);
#endregion
#region search_browse_operations
FileHeader[] fileHeaders = await shardedCommands.BrowseAsync();
SearchResults searchResults = await shardedCommands.SearchAsync("__fileName:test*");
#endregion
#region custom_shard_res_strategy_2
var strategy = new ShardStrategy(shards);
strategy.ShardResolutionStrategy = new RegionMetadataBasedResolutionStrategy(shards.Keys.ToList(), strategy.ModifyFileName, strategy.Conventions);
var client = new AsyncShardedFilesServerClient(strategy);
#endregion
}
public async Task CanGetFileFromSharding()
{
var ms = new MemoryStream();
var streamWriter = new StreamWriter(ms);
var expected = new string('a', 1024);
streamWriter.Write(expected);
streamWriter.Flush();
ms.Position = 0;
var newFileName = await shardedClient.UploadAsync("abc.txt", ms);
var ms2 = await shardedClient.DownloadAsync(newFileName);
var actual = new StreamReader(ms2).ReadToEnd();
Assert.Equal(expected, actual);
}
private void SaveFile_Click(object sender, RoutedEventArgs e)
{
try
{
Microsoft.Win32.SaveFileDialog saveFileDialog = new Microsoft.Win32.SaveFileDialog();
saveFileDialog.ShowDialog();
string locazioneFile = String.Empty;
if (lstFiles.SelectedItem != null)
{
locazioneFile = ((SearchResult)(lstFiles.SelectedItem)).Indirizzo;
}
if (filesList.SelectedItem != null)
{
locazioneFile = ((FileHeader)(filesList.SelectedItem)).FullPath;
}
Stream file = null;
var command = new AsyncShardedFilesServerClient(FileStore.ShardStrategy);
file = command.DownloadAsync(locazioneFile).Result;
if (String.IsNullOrEmpty(saveFileDialog.FileName) == false)
{
string fileName = saveFileDialog.FileName;
using (FileStream stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
file.CopyTo(stream);
stream.Close();
file.Close();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
