public Task <IAsyncEnumerator <RavenJObject> > ExportItems(ItemType types, OperationState state)
{
var exporter = new SmugglerExporter(database, ExportOptions.Create(state, types, Options.ExportDeletions, Options.Limit));
var items = new List <RavenJObject>();
exporter.Export(items.Add, database.WorkContext.CancellationToken);
return(new CompletedTask <IAsyncEnumerator <RavenJObject> >(new AsyncEnumeratorBridge <RavenJObject>(items.GetEnumerator())));
}
private void StreamToClient(Stream stream, ExportOptions options, Lazy<NameValueCollection> headers, IPrincipal user)
{
var old = CurrentOperationContext.Headers.Value;
var oldUser = CurrentOperationContext.User.Value;
try
{
CurrentOperationContext.Headers.Value = headers;
CurrentOperationContext.User.Value = user;
Database.TransactionalStorage.Batch(accessor =>
{
var bufferStream = new BufferedStream(stream, 1024 * 64);
using (var cts = new CancellationTokenSource())
using (var timeout = cts.TimeoutAfter(DatabasesLandlord.SystemConfiguration.DatabaseOperationTimeout))
using (var streamWriter = new StreamWriter(bufferStream))
using (var writer = new JsonTextWriter(streamWriter))
{
writer.WriteStartObject();
writer.WritePropertyName("Results");
writer.WriteStartArray();
var exporter = new SmugglerExporter(Database, options);
exporter.Export(item => WriteToStream(writer, item, timeout), cts.Token);
writer.WriteEndArray();
writer.WriteEndObject();
writer.Flush();
bufferStream.Flush();
}
});
}
finally
{
CurrentOperationContext.Headers.Value = old;
CurrentOperationContext.User.Value = oldUser;
}
}
public Task<IAsyncEnumerator<RavenJObject>> ExportItems(ItemType types, OperationState state)
{
var exporter = new SmugglerExporter(database, ExportOptions.Create(state, types, Options.ExportDeletions, Options.Limit));
var items = new List<RavenJObject>();
exporter.Export(items.Add, database.WorkContext.CancellationToken);
return new CompletedTask<IAsyncEnumerator<RavenJObject>>(new AsyncEnumeratorBridge<RavenJObject>(items.GetEnumerator()));
}