*/
public void execute(Work[] workArray, int nStart, int nEnd)
{
// All items have the same attributes to update
VirtualMapping mapping = (VirtualMapping)m_mapping;
UpdateMapping updateMapping = mapping.getUpdateMapping();
Metaclass metaclass = mapping.getMetaclass();
List updateList = updateMapping.getUpdateCases(m_attributeSet);
// Execute updates
Attribute lockingAttribute = mapping.getLockingAttribute();
int nLockingOrdinal = (lockingAttribute == null) ? -1 : lockingAttribute.getOrdinal();
String sLockingAttributeName = (lockingAttribute == null) ? null : lockingAttribute.getName();