plementations may be useful for instance in batch applications which need to run with a
 specific logical date, e.g. with yesterday's date when re-running a failed batch job
 execution.
 <p>
 Implementations must be safe for access from several threads at the same time.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Gunnar Morling, Guillaume Smet</dd>
</dl>
</li>
</ul>
</div>
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