What do you mean by ComplexEvents? Do you mean that the output of CEP library is DataStream<ComplexEvent>? If so, then yes, they should be either Serializable or you should provide custom TypeSerializer<ComplexEvent>.
> On 12 Jul 2017, at 06:58, Sridhar Chellappa <
[hidden email]> wrote:
>
> Folks,
>
> I am using the CEP library to create ComplexEvents. My question is, should the ComplexEvents be serializable?