xiazcy commented on code in PR #3335:
URL: https://github.com/apache/tinkerpop/pull/3335#discussion_r2983047226
##########
gremlin-go/driver/graphBinary.go:
##########
@@ -681,7 +681,52 @@ func bindingWriter(value interface{}, buffer
*bytes.Buffer, typeSerializer *grap
return buffer.Bytes(), nil
}
+// customTypeWriter handles serialization of custom types registered via
RegisterCustomTypeWriter.
+// Format: {type_code}{type_info}{value_flag}{value}
+// where type_code=0x00 (customType), type_info is the custom type name
length+bytes,
+// value_flag=0x00 (not null), and value is the custom-serialized data.
+func customTypeWriter(value interface{}, buffer *bytes.Buffer, typeSerializer
*graphBinaryTypeSerializer) ([]byte, error) {
+ // Look up the custom type info
+ valType := reflect.TypeOf(value)
+ customTypeWriterLock.RLock()
+ typeInfo, exists := customSerializers[valType]
+ customTypeWriterLock.RUnlock()
+
+ if !exists || customSerializers == nil {
+ return nil,
newError(err0407GetSerializerToWriteUnknownTypeError, valType.Name())
+ }
+
+ // Write the custom type name as a String (length prefix + UTF-8 bytes)
+ typeName := typeInfo.TypeName
+ typeNameBytes := []byte(typeName)
+ if err := binary.Write(buffer, binary.BigEndian,
int32(len(typeNameBytes))); err != nil {
+ return nil, err
+ }
+ if _, err := buffer.Write(typeNameBytes); err != nil {
+ return nil, err
+ }
+
Review Comment:
That makes sense. Thanks for the quick response!
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