static void Main(string[] args)
{
ObjectEntity objectEntity = new ObjectEntity();
objectEntity.NullableIntField = 10;
objectEntity.StringField = "teststring";
objectEntity.ListField = new List <SubObjectEntity>();
objectEntity.ListField.Add(new SubObjectEntity {
IntField = 1, DoubleField = 1.1
});
Schema schema = Schema.Parse(SchemaClass.SCHEMA_OBJECT_ENTITY);
SpecificDatumWriter <ObjectEntity> w = new SpecificDatumWriter <ObjectEntity>(schema);
byte[] finalbytes = null;
using (MemoryStream memStream = new MemoryStream())
{
w.Write(objectEntity, new Avro.IO.BinaryEncoder(memStream));
memStream.Seek(0, SeekOrigin.Begin);
finalbytes = memStream.ToArray();
}
EventData eventToSend = new EventData(finalbytes);
EventHubClient eventHubClient = EventHubClient.CreateFromConnectionString(
"<eventhubconnection>",
"<eventhubname>"
);
eventHubClient.SendAsync(eventToSend).Wait();
}
private static void checkAlternateSerializers <T>(byte[] expected, T value, Schema ws)
{
var ms = new MemoryStream();
var writer = new SpecificDatumWriter <T>(ws);
var e = new BinaryEncoder(ms);
writer.Write(value, e);
var output = ms.ToArray();
Assert.AreEqual(expected.Length, output.Length);
Assert.True(expected.SequenceEqual(output));
}
private sbyte[] Write <T>(T message, SpecificDatumWriter <T> writer)
{
var ms = new MemoryStream();
Encoder e = new BinaryEncoder(ms);
writer.Write(message, e);
ms.Flush();
ms.Position = 0;
var b = ms.ToArray();
return((sbyte[])(object)b);
}
private byte[] SpecificRecordsToAvro <T>(T record) where T : ISpecificRecord
{
using (MemoryStream outputStream = new MemoryStream())
{
SpecificDatumWriter <T> writer = new SpecificDatumWriter <T>(record.Schema);
BinaryEncoder encoder = new BinaryEncoder(outputStream);
for (int i = 0; i < _numberOfRecordsInAvro; i++)
{
writer.Write(record, encoder);
}
encoder.Flush();
return(outputStream.ToArray());
}
}
protected override byte[] DoEncode(string topic, object obj)
{
if (!(obj is ISpecificRecord))
{
throw new InvalidDataException(string.Format("{0} should be instance of ISpecificRecord to user Avro", typeof(object)));
}
Schema schema = ((ISpecificRecord)obj).Schema;
int schemaId = schemaCache.RegisterSchema(schema.ToString(), topic + "-value");
if (!IsValidSchemaId(schemaId))
{
throw new InvalidDataException(string.Format("Avro schema of {0} is incompaible with latest schema", typeof(object)));
}
SpecificDatumWriter<object> w = new SpecificDatumWriter<object>(schema);
using (MemoryStream stream = new MemoryStream())
{
// same with io.confluent.kafka used by Java
// prepend body with magic byte and schemaId
stream.WriteByte(MAGIC_BYTE);
byte[] schemaIdBytes = BitConverter.GetBytes(schemaId);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(schemaIdBytes);
}
foreach (byte b in schemaIdBytes)
{
stream.WriteByte(b);
}
w.Write(obj, new BinaryEncoder(stream));
stream.Seek(0, SeekOrigin.Begin);
byte[] result = new byte[stream.Length];
stream.Read(result, 0, result.Length);
return result;
}
}
public byte[] Serialize(object obj)
{
try
{
ISpecificRecord record = (ISpecificRecord)obj;
writer = new SpecificDatumWriter <ISpecificRecord>(record.Schema);
using (MemoryStream ms = new MemoryStream())
{
int function = (int)record.Get(0);
ms.Write(BitConverter.GetBytes(function), 0, 4);
BinaryEncoder encoder = new BinaryEncoder(ms);
writer.Write(record, encoder);
return(ms.ToArray());
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(null);
}
public void CreateTestData()
{
RuntimeTypeModel.Default.Add(typeof(DateTimeOffset), false).SetSurrogate(typeof(DateTimeOffsetSurrogate));
JsonConvert.DefaultSettings = () => new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
var @event = new TestEvent(Guid.NewGuid(), RandomString(5), random.NextDouble(), random.NextDouble(), random.NextDouble(), DateTimeOffset.Now);
_event = @event;
using (var stream = new MemoryStream())
{
Serializer.Serialize(stream, @event);
ProtoSerializedData = stream.ToArray();
}
var jilJsonString = JSON.Serialize(@event);
JilSerializedData = Encoding.UTF8.GetBytes(jilJsonString);
var protoMessage = new Testevents.Protobuf.TestEvent
{
Id = ByteString.CopyFrom(@event.Id.ToByteArray()),
Name = @event.Name,
X = @event.X,
Y = @event.Y,
Z = @event.Z,
TimeStamp = Timestamp.FromDateTimeOffset(@event.TimeStamp),
};
GProtoSerialziedData = SerializeGProto(protoMessage);
var msgPackResult = MessagePackSerializer.Serialize(@event);
MsgPackData = msgPackResult;
var msgPackKeyString = new TestEventMessagePackNoKeys
{
Id = @event.Id,
Name = @event.Name,
X = @event.X,
Y = @event.Y,
Z = @event.Z,
TimeStamp = @event.TimeStamp
};
_event2 = msgPackKeyString;
var msgPackStringKeysResult = MessagePackSerializer.Serialize(msgPackKeyString);
MsgPackDataIntKeys = msgPackStringKeysResult;
var newtonJsonString = JsonConvert.SerializeObject(@event);
NewtonsoftData = Encoding.UTF8.GetBytes(newtonJsonString);
var avroEvent = new Avro.TestEvent
{
id = @event.Id.ToByteArray(),
name = @event.Name,
timeStamp = @event.TimeStamp.ToUnixTimeMilliseconds(),
x = @event.X,
y = @event.Y,
z = @event.Z
};
using (var stream = new MemoryStream())
{
avroSerializer.Write(avroEvent, new BinaryEncoder(stream));
AvroData = stream.ToArray();
}
Utf8JsonData = Utf8Json.JsonSerializer.Serialize(@event, StandardResolver.CamelCase);
spreadsData = Spreads.Serialization.Utf8Json.JsonSerializer.Serialize(@event,
Spreads.Serialization.Utf8Json.Resolvers.StandardResolver.CamelCase);
zeroFormatterData = ZeroFormatterSerializer.Serialize(@event);
SystemTextData = System.Text.Json.Serialization.JsonSerializer.ToUtf8Bytes(@event);
var output = new OutputBuffer();
var writer = new CompactBinaryWriter <OutputBuffer>(output);
var bondEvent = new Bond.TestEvent
{
id = @event.Id.ToByteArray(),
name = @event.Name,
x = @event.X,
y = @event.Y,
z = @event.Z,
date = @event.TimeStamp.ToUnixTimeMilliseconds()
};
Bond.Serialize.To(writer, bondEvent);
bondData = output.Data.ToArray();
/*Console.WriteLine($"Size of jil object {JilSerializedData.First().Length}");
* Console.WriteLine($"Size of protobuf-net object {ProtoSerializedData.First().Length}");
* Console.WriteLine($"Size of gproto object {GProtoSerialziedData.First().Length}");
* Console.WriteLine($"Size of msgPack object {MsgPackData.First().Length}");
* Console.WriteLine($"Size of msgPack object with int keys {MsgPackDataIntKeys.First().Length}");
* Console.WriteLine($"Size of avro data {AvroData.First().Length}");
* Console.WriteLine($"Size of newtonsoft object {NewtonsoftData.First().Length}");
* Console.WriteLine($"Size of utf8json object {Utf8JsonData.First().Length}");
* Console.WriteLine($"Size of zeroformatter object {zeroFormatterData.First().Length}");*/
}
public static void test ()
{
//Schema schema = Schema.Parse ("schema json");
SpecificDatumWriter<User> w = new SpecificDatumWriter<User> (User._SCHEMA);
User input = new User ();
input.name = "mm";
input.favorite_color = "red";
input.favorite_number = 11;
MemoryStream stream = new MemoryStream ();
w.Write (input, new BinaryEncoder (stream));
stream.Seek (0, SeekOrigin.Begin);
SpecificDatumReader<User> r = new SpecificDatumReader<User> (User._SCHEMA, User._SCHEMA);
User output = r.Read (null, new BinaryDecoder (stream));
Console.WriteLine (output.name);
}
