VirtualMapping mapping = (VirtualMapping)m_mapping;
WorkMapping operation = mapping.getCreateMapping();
Attribute lockingAttribute = mapping.getLockingAttribute();
int nLockingOrdinal = (lockingAttribute == null) ? -1 : lockingAttribute.getOrdinal();
String sLockingAttributeName = (lockingAttribute == null) ? null : lockingAttribute.getName();
VirtualDataSourceFragment fragment = (VirtualDataSourceFragment)getFragment();
ArrayList tobjList = new ArrayList(nEnd - nStart);
for (int i = nStart; i < nEnd; i++)
{
Instance instance = workArray[i].getInstance();