Load an Atom batch into k_job_atoms table
Atoms will be taken by looking up pending Jobs by its execution date and extracting Atoms
for nearest Jobs in time.
On each loadAtoms() no more than iWorkerThreads Jobs will be loaded at a time.
Parameters: oConn - Database Connection Parameters: iWorkerThreads - Number of worker thread. This parameter will limit the number of loaded Jobs as the program will try to use a one to one ratio between Jobs and WorkerThreads. DBSubset with loaded Jobs throws: SQLException - |