remain logged in for whole session play framework (java)

I am creating a user session()(using play framework 2.5.x) after user_name, password matches with entries present in my database.

What I want is user should be logged in for every page he visit in my website, till he signed out himself.

How I can achieve this?

Will I have to write JavaScript to read cookies(session) on every page of my website or any other way.

Thanks..!