  throws <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block">Override this method if the ItemWriter supports
 checkpoints.
 The default implementation returns null.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../javax/batch/api/chunk/ItemWriter.html#checkpointInfo--">checkpointInfo</a></code>&nbsp;in interface&nbsp;<code><a href="