public override byte[] EncodeStructuredModeMessage(CloudEvent cloudEvent, out ContentType contentType)
{
Validation.CheckCloudEventArgument(cloudEvent, nameof(cloudEvent));
contentType = new ContentType(CloudEvent.MediaType + MediaTypeSuffix);
// We expect the Avro encoded to detect data types that can't be represented in the schema.
GenericRecord record = new GenericRecord(avroSchema);
record.Add(DataName, cloudEvent.Data);
var recordAttributes = new Dictionary <string, object>();
recordAttributes[CloudEventsSpecVersion.SpecVersionAttribute.Name] = cloudEvent.SpecVersion.VersionId;
foreach (var keyValuePair in cloudEvent.GetPopulatedAttributes())
{
var attribute = keyValuePair.Key;
var value = keyValuePair.Value;
// TODO: Create a mapping method in each direction, to have this logic more clearly separated.
var avroValue = value is bool || value is int || value is byte[] || value is string
?value
: attribute.Format(value);
recordAttributes[attribute.Name] = avroValue;
}
record.Add(AttributeName, recordAttributes);
MemoryStream memStream = new MemoryStream();
BinaryEncoder encoder = new BinaryEncoder(memStream);
avroWriter.Write(record, encoder);
return(memStream.ToArray());
}
public byte[] EncodeStructuredEvent(CloudEvent cloudEvent, out ContentType contentType)
{
contentType = new ContentType(CloudEvent.MediaType + AvroEventFormatter.MediaTypeSuffix);
GenericRecord record = new GenericRecord(avroSchema);
record.Add(DataName, SerializeData(cloudEvent.Data));
var recordAttributes = new Dictionary <string, object>();
recordAttributes[CloudEventsSpecVersion.SpecVersionAttribute.Name] = cloudEvent.SpecVersion.VersionId;
foreach (var keyValuePair in cloudEvent.GetPopulatedAttributes())
{
var attribute = keyValuePair.Key;
var value = keyValuePair.Value;
// TODO: Create a mapping method in each direction, to have this logic more clearly separated.
var avroValue = value is bool || value is int || value is byte[] || value is string
?value
: attribute.Format(value);
recordAttributes[attribute.Name] = avroValue;
}
record.Add("attribute", recordAttributes);
MemoryStream memStream = new MemoryStream();
BinaryEncoder encoder = new BinaryEncoder(memStream);
avroWriter.Write(record, encoder);
return(new Span <byte>(memStream.GetBuffer(), 0, (int)memStream.Length).ToArray());
}
