private static async Task TransferDataItem(IDataSinkAdapter sink, string dataItemId, IDataItem dataItem, ITransferStatistics statistics, CancellationToken cancellation)
{
try
{
await sink.WriteAsync(dataItem, cancellation);
statistics.AddTransferred();
}
catch (AggregateException aggregateException)
{
foreach (var exception in aggregateException.Flatten().InnerExceptions)
statistics.AddError(dataItemId, exception);
}
catch (Exception exception)
{
statistics.AddError(dataItemId, exception);
}
}
protected async Task WriteDataAsync(IDataSinkAdapter sinkAdapter, IEnumerable<IDataItem> data)
{
Task[] writeTasks = Enumerable
.Range(0, sinkAdapter.MaxDegreeOfParallelism)
.Select(i => (Task)Task.FromResult<object>(null))
.ToArray();
foreach (var dataItem in data)
{
var completed = await Task.WhenAny(writeTasks);
await completed;
writeTasks[Array.IndexOf(writeTasks, completed)] =
sinkAdapter.WriteAsync(dataItem, CancellationToken.None);
}
await sinkAdapter.CompleteAsync(CancellationToken.None);
for (var index = 0; index < writeTasks.Length; ++index)
await writeTasks[index];
}
private static async Task TransferDataItem(IDataSinkAdapter sink, string dataItemId, IDataItem dataItem, ITransferStatistics statistics, CancellationToken cancellation)
{
try
{
await sink.WriteAsync(dataItem, cancellation);
statistics.AddTransferred();
}
catch (AggregateException aggregateException)
{
foreach (var exception in aggregateException.Flatten().InnerExceptions)
{
statistics.AddError(dataItemId, exception);
}
}
catch (Exception exception)
{
statistics.AddError(dataItemId, exception);
}
}
protected async Task WriteDataAsync(IDataSinkAdapter sinkAdapter, IEnumerable <IDataItem> data)
{
Task[] writeTasks = Enumerable
.Range(0, sinkAdapter.MaxDegreeOfParallelism)
.Select(i => (Task)Task.FromResult <object>(null))
.ToArray();
foreach (var dataItem in data)
{
var completed = await Task.WhenAny(writeTasks);
await completed;
writeTasks[Array.IndexOf(writeTasks, completed)] =
sinkAdapter.WriteAsync(dataItem, CancellationToken.None);
}
await sinkAdapter.CompleteAsync(CancellationToken.None);
for (var index = 0; index < writeTasks.Length; ++index)
{
await writeTasks[index];
}
}