Method Write

go/fory/union.go:133–165

Write is the entry point for union serialization.

(ctx *WriteContext, refMode RefMode, writeType bool, hasGenerics bool, value reflect.Value)

// Write is the entry point for union serialization.
func (s *UnionSerializer) Write(ctx *WriteContext, refMode RefMode, writeType bool, hasGenerics bool, value reflect.Value) {
	_ = hasGenerics
	switch refMode {
	case RefModeTracking:
		if !value.IsValid() || (value.Kind() == reflect.Ptr && value.IsNil()) {
			ctx.Buffer().WriteInt8(NullFlag)
			return
		}
		refWritten, err := ctx.RefResolver().WriteRefOrNull(ctx.Buffer(), value)
		if err != nil {
			ctx.SetError(FromError(err))
			return
		}
		if refWritten {
			return
		}
	case RefModeNullOnly:
		if !value.IsValid() || (value.Kind() == reflect.Ptr && value.IsNil()) {
			ctx.Buffer().WriteInt8(NullFlag)
			return
		}
		ctx.Buffer().WriteInt8(NotNullValueFlag)
	}
	if writeType {
		typeInfo, err := ctx.TypeResolver().GetTypeInfo(value, true)
		if err != nil {
			ctx.SetError(SerializationErrorf("failed to get type info for union: %v", err))
			return
		}
		ctx.TypeResolver().WriteTypeInfo(ctx.Buffer(), typeInfo, ctx.Err())
	}
	s.WriteData(ctx, value)
}

// WriteData serializes union payload (case_id + case_value).
func (s *UnionSerializer) WriteData(ctx *WriteContext, value reflect.Value) {