func (db *Database) readIdentifiable(r *rw.Reader) (orient.OIdentifiable, error) {
classId := r.ReadShort()
if err := r.Err(); err != nil {
return nil, err
}
switch classId {
case RecordNull:
return nil, nil
case RecordRID:
var rid orient.RID
if err := rid.FromStream(r); err != nil {
return nil, err
}
return rid, nil
default:
tp := orient.RecordType(r.ReadByte())
if err := r.Err(); err != nil {
return nil, err
}
record := orient.NewRecordOfType(tp)
switch rec := record.(type) {
case *orient.Document:
rec.SetSerializer(db.sess.cli.recordFormat)
}
var rid orient.RID
if err := rid.FromStream(r); err != nil {
return nil, err
}
version := int(r.ReadInt())
content := r.ReadBytes()
if err := record.Fill(rid, version, content); err != nil {
return nil, fmt.Errorf("cannot create record %T from content: %s", record, err)
}
return record, nil
}
}
