lass="block">Returns an LocalTransaction instance that enables a component to
  demarcate resource manager local transactions on the Connection.
  If a resource adapter does not allow a component to demarcate 
  local transactions on an Connection using LocalTransaction 
  interface, then the method getLocalTransaction should throw a 
  NotSupportedException.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>LocalTransaction instance</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd