/** @throws Exception If failed. */
public void testClientAffinity() throws Exception {
GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME);
Collection<Object> keys = new ArrayList<>();
keys.addAll(Arrays.asList(Boolean.TRUE, Boolean.FALSE, 1, Integer.MAX_VALUE));
Random rnd = new Random();
StringBuilder sb = new StringBuilder();
// Generate some random strings.
for (int i = 0; i < 100; i++) {
sb.setLength(0);
for (int j = 0; j < 255; j++)
// Only printable ASCII symbols for test.
sb.append((char) (rnd.nextInt(0x7f - 0x20) + 0x20));
keys.add(sb.toString());
}
// Generate some more keys to achieve better coverage.
for (int i = 0; i < 100; i++) keys.add(UUID.randomUUID());
for (Object key : keys) {
UUID nodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id();
UUID clientNodeId = partitioned.affinity(key);
assertEquals(
"Invalid affinity mapping for REST response for key: " + key, nodeId, clientNodeId);
}
}
/** {@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;
}