/** {@inheritDoc} */ @Override public Map<? extends GridComputeJob, GridNode> map(List<GridNode> subgrid, Integer arg) throws GridException { assert taskSes != null; assert arg != null; assert arg > 0; Map<GridSessionLoadTestJob, GridNode> map = new HashMap<>(subgrid.size()); Iterator<GridNode> iter = subgrid.iterator(); Random rnd = new Random(); params = new HashMap<>(arg); Collection<UUID> assigned = new ArrayList<>(subgrid.size()); for (int i = 0; i < arg; i++) { // Recycle iterator. if (!iter.hasNext()) iter = subgrid.iterator(); String paramName = UUID.randomUUID().toString(); int paramVal = rnd.nextInt(); taskSes.setAttribute(paramName, paramVal); GridNode node = iter.next(); assigned.add(node.id()); map.put(new GridSessionLoadTestJob(paramName), node); params.put(paramName, paramVal); if (log.isDebugEnabled()) log.debug("Set session attribute [name=" + paramName + ", value=" + paramVal + ']'); } taskSes.setAttribute("nodes", assigned); return map; }