*/
private void checkForEnhancedAttribute()
{
for (Enumeration e = classFile.attributes().elements();
e.hasMoreElements();) {
final ClassAttribute attr = (ClassAttribute)e.nextElement();
final String attrName = attr.attrName().asString();
if (SUNJDO_PC_EnhancedAttribute.equals(attrName)) {
persistenceType = CC_PreviouslyEnhanced;
// At some point we may want to consider stripping old
// annotations and re-annotating, but not yet