public static async Task SerializeAsync(Stream stream, IEnumerable <Document> documents, CancellationToken cancellationToken = default)
{
using var buffer = new PooledByteBufferWriter(stream);
// ReSharper disable once UseAwaitUsing
using var writer = new Utf8JsonWriter(buffer);
writer.WriteStartArray();
foreach (var document in documents)
{
writer.WriteStartObject();
foreach (var(key, attributeValue) in document)
{
writer.WritePropertyName(key);
WriteAttributeValue(buffer, writer, in attributeValue);
if (buffer.ShouldFlush(writer))
{
await buffer.FlushAsync(writer, cancellationToken).ConfigureAwait(false);
}
}
writer.WriteEndObject();
}
writer.WriteEndArray();
await buffer.FlushAsync(writer, cancellationToken).ConfigureAwait(false);
}
private async ValueTask WriteValueAsync(Utf8JsonWriter writer, PooledByteBufferWriter bufferWriter, StringAttributeValue attributeValue)
{
writer.WriteStringValue(attributeValue.Value);
if (bufferWriter.ShouldFlush(writer))
{
await bufferWriter.FlushAsync(writer).ConfigureAwait(false);
}
}
private void WriteValue(Utf8JsonWriter writer, PooledByteBufferWriter bufferWriter, StringAttributeValue attributeValue)
{
writer.WriteStringValue(attributeValue.Value);
if (bufferWriter.ShouldFlush(writer))
{
bufferWriter.FlushAsync(writer);
}
}
public async Task <long> AsyncBenchmark()
{
await using var stream = new MemoryStream();
using var bufferWriter = new PooledByteBufferWriter(stream, 160 * 1024);
await using var writer = new Utf8JsonWriter(bufferWriter);
await WriteDataAsync(writer, bufferWriter).ConfigureAwait(false);
await bufferWriter.FlushAsync(writer).ConfigureAwait(false);
return(stream.Length);
}
public ValueTask FlushAsync() => BufferWriter.FlushAsync(JsonWriter);
