public override StreamElement Deserialize(StreamElement reuse, IDataInputView source)
{
int tag = source.ReadByte();
if (tag == TagRecWithTimestamp)
{
var timestamp = source.ReadLong();
var value = ContainedTypeSerializer.Deserialize(source);
var reuseRecord = reuse.AsRecord <T>();
reuseRecord.Replace(value, timestamp);
return(reuseRecord);
}
else if (tag == TagRecWithoutTimestamp)
{
var value = ContainedTypeSerializer.Deserialize(source);
var reuseRecord = reuse.AsRecord <T>();
reuseRecord.Replace(value);
return(reuseRecord);
}
else if (tag == TagWatermark)
{
return(new Watermark(source.ReadLong()));
}
else if (tag == TagLatencyMarker)
{
return(new LatencyMarker(source.ReadLong(), new OperatorId(source.ReadLong(), source.ReadLong()), source.ReadInt()));
}
else
{
throw new IOException("Corrupt stream, found tag: " + tag);
}
}
public override StreamElement Deserialize(IDataInputView source)
{
int tag = source.ReadByte();
if (tag == TagRecWithTimestamp)
{
var timestamp = source.ReadLong();
return(new StreamRecord <T>(ContainedTypeSerializer.Deserialize(source), timestamp));
}
else if (tag == TagRecWithoutTimestamp)
{
return(new StreamRecord <T>(ContainedTypeSerializer.Deserialize(source)));
}
else if (tag == TagWatermark)
{
return(new Watermark(source.ReadLong()));
}
else if (tag == TagStreamStatus)
{
return(new StreamStatus(source.ReadInt()));
}
else if (tag == TagLatencyMarker)
{
return(new LatencyMarker(source.ReadLong(), new OperatorId(source.ReadLong(), source.ReadLong()), source.ReadInt()));
}
else
{
throw new IOException("Corrupt stream, found tag: " + tag);
}
}
public override int CompareSerialized(IDataInputView firstSource, IDataInputView secondSource)
{
var b1 = firstSource.ReadByte();
var b2 = secondSource.ReadByte();
var comp = (b1 < b2 ? -1 : (b1 == b2 ? 0 : 1));
return(AscendingComparison ? comp : -comp);
}
public override byte Deserialize(IDataInputView source) => source.ReadByte();
public override void Copy(IDataInputView source, IDataOutputView target) => target.WriteByte(source.ReadByte());