public static IBinaryObject BinaryModel(Random random, IBinaryObjectBuilder builder)
{
var entry = new double[1000 * 32];
for (var j = 0; j < entry.Length; j++)
{
entry[j] = random.NextDouble();
}
return(builder.SetDoubleArrayField("data", entry).Build());
}
public IBinaryObject[] GetBinaryModels(IBinaryObjectBuilder builder)
{
var entry = new double[1000 * 32];
var data = new IBinaryObject[Params.Instance.Value.TotalObjects];
var random = new Random();
for (var i = 0; i < data.Length; i++)
{
for (var j = 0; j < entry.Length; j++)
{
entry[j] = random.NextDouble();
}
data[i] = builder.SetDoubleArrayField("data", entry).Build();
}
return(data);
}
private unsafe void ReadField(IBinaryObjectBuilder builder, RecordField field)
{
// TODO: Binary object builder seems to be inefficient because of internal structure handling.
// We should try with entity classes, and each class can implement RecordField reading efficiently.
var pos = field.StartPos - 1;
var len = field.EndPos - pos;
switch (field.Type)
{
case RecordFieldType.String:
{
// All strings are ASCII, see .dat.sql files.
// Strings are padded with spaces (because fixed length).
var val = Encoding.ASCII.GetString(_buffer, pos, len).TrimEnd();
builder.SetStringField(field.Name, val);
break;
}
case RecordFieldType.Long:
fixed(byte *p = &_buffer[pos])
{
builder.SetLongField(field.Name, *(long *)p);
break;
}
case RecordFieldType.Double:
fixed(byte *p = &_buffer[pos])
{
builder.SetDoubleField(field.Name, *(double *)p);
break;
}
default:
throw new ArgumentOutOfRangeException(nameof(field.Type), field.Type, "Invalid field type");
}
}
public PerperDynamicObject(IBinaryObjectBuilder binaryObjectBuilder)
{
_binaryObjectBuilder = binaryObjectBuilder;
}
// Add dynamic columns
private static void SetColumnFields(IBinaryObjectBuilder builder)
{
Enumerable.Range(0, 3)
.ToList()
.ForEach(i => builder.SetIntField($"c{i}", i));
}