title: Hibernate query - How to select those parents that have ALL the children matching a value?
body: <p>I'm trying to write a Hibernate (JPA) query to select those parents where <strong>ALL</strong> their children match a property.</p>
  
  <p>Let's make a pratical example... </p>
  
  <p>I want to select those fathers who have <strong>ALL</strong> their children blond. If just one is black haired the father is not selected.</p>
  
  <p>How will the query look like?
  Thank you in advance!</p>