title: Symfony2 : Recursive Validation
body: <p>I've got an entity with some validators (<strong>not a form</strong>).</p>
  
  <p>So I use <code>$validator-&gt;validate($entity)</code>, but it doesn't validate my sub-ojects (the entity class has some others entity classes with some validators).</p>
  
  <p>Is there an "automatic" way to do this, or I have to do <code>$errorList-&gt;addAll($validator-&gt;validate($entity));</code> for each of them ?</p>