Method Read

go/fory/union.go:199–226

Read is the entry point for union deserialization.

(ctx *ReadContext, refMode RefMode, readType bool, hasGenerics bool, value reflect.Value)

// Read is the entry point for union deserialization.
func (s *UnionSerializer) Read(ctx *ReadContext, refMode RefMode, readType bool, hasGenerics bool, value reflect.Value) {
	_ = hasGenerics
	err := ctx.Err()
	switch refMode {
	case RefModeTracking:
		refID, refErr := ctx.RefResolver().TryPreserveRefId(ctx.Buffer())
		if refErr != nil {
			ctx.SetError(FromError(refErr))
			return
		}
		if refID < int32(NotNullValueFlag) {
			obj := ctx.RefResolver().GetReadObject(refID)
			if obj.IsValid() {
				value.Set(obj)
			}
			return
		}
	case RefModeNullOnly:
		flag := ctx.Buffer().ReadInt8(err)
		if flag == NullFlag {
			return
		}
	}
	if readType {
		ctx.TypeResolver().ReadTypeInfo(ctx.Buffer(), err)
	}
	s.ReadData(ctx, value)
}

// ReadData deserializes union payload (case_id + case_value).
func (s *UnionSerializer) ReadData(ctx *ReadContext, value reflect.Value) {