EJBException</a></pre>
<div class="block">Return whether this timer has persistent semantics.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean indicating whether the timer is persistent.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - If this method is invoked while the instance is in a s