detect required fields

[Carlos Tasada]

Hi everyone,

I've started to use the library recently. Due to some reasons, I need to detect if an Schema field is required or not on the probuff level. I know I could simply try to serialize the Pojo and capture the exception, but I would like to detect it before hand.

Is there anyway of achieving that? I have checked on the Schema and Field classes and I don't see anything informing about this metadata.

Thanks.

[David Yu]

On Wed, May 31, 2017 at 1:04 AM, Carlos Tasada <cta...@gmail.com> wrote:

Hi everyone,

I've started to use the library recently. Due to some reasons, I need to detect if an Schema field is required or not on the probuff level. I know I could simply try to serialize the Pojo and capture the exception, but I would like to detect it before hand.

Is there anyway of achieving that?

If you're using protostuff-runtime, then no.  All fields are currently treated as optional. 

If you're using the compiler, you can extend the codegen template and add metadata that way.

I have checked on the Schema and Field classes and I don't see anything informing about this metadata.

Thanks.

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