serviceStats.getIdentitiesOp.report();
// Verify that the nodeId is valid.
Node node = watchdogService.getNode(nodeId);
if (node == null) {
throw new UnknownNodeException("node id: " + nodeId);
}
IdentityIterator iter = new IdentityIterator(dataService, nodeId);
logger.log(Level.FINEST, "getIdentities successful");
return iter;
}