rties. 
 This method returns a new <code>EntityManager</code> instance each time
 it is invoked. 
 The <code>isOpen</code> method will return true on the returned instance.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>synchronizationType</code> - how and when the entity manager should be 
 synchronized with the current JTA transaction</dd>
<dd><code>map</code> - properties for entity manager</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>entity manager instance</dd>