Welcome to paralled JPO world!
JPO-RX is the first and only non-blocking Java "pseudo" ORM solution.
Are you going reactive?
Are you scared about manually writing all your SQL queries?
Are you evaluating definitely serious technologies like Vertx3?
Have a look at what JPO-RX can do for you: https://github.com/ufoscout/jporm/wiki
JPO-RM: the blocking twin brother
Is reactive still far from you?
Do you feel not comfortable with JPA and/or Hibernate and/or simila?
Do you think manual SQL writing is the shortest way to hell?
Have a look at how JPO-RM can help you: https://github.com/ufoscout/jporm/wiki