List<String> wfsToPurge = new ArrayList<String>();
List<String> coordsToPurge = new ArrayList<String>();
for (String coordId : coords) {
// We only purge the coord and its children if they are all ready to be purged
long numChildrenNotReady = jpaService.execute(
new WorkflowJobsCountNotForPurgeFromCoordParentIdJPAExecutor(wfOlderThan, coordId));
if (numChildrenNotReady == 0) {
coordsToPurge.add(coordId);
LOG.debug("Purging coordinator " + coordId);
// Get all of the direct children for this coord
List<String> children = new ArrayList<String>();