I like to use populate in this cases, and I think I would separate the work for each list
populateSource()
populateDestination()
getSourceItems()
getDestinationItems()
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges
