/** @throws Exception If failed. */ public void testAffinityPut() throws Exception { Thread.sleep(2 * TOP_REFRESH_FREQ); assertEquals(NODES_CNT, client.compute().refreshTopology(false, false).size()); Map<UUID, Grid> gridsByLocNode = new HashMap<>(NODES_CNT); GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME); GridClientCompute compute = client.compute(); for (int i = 0; i < NODES_CNT; i++) gridsByLocNode.put(grid(i).localNode().id(), grid(i)); for (int i = 0; i < 100; i++) { String key = "key" + i; UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id(); assertEquals("Affinity mismatch for key: " + key, primaryNodeId, partitioned.affinity(key)); assertEquals(primaryNodeId, partitioned.affinity(key)); // Must go to primary node only. Since backup count is 0, value must present on // primary node only. partitioned.put(key, "val" + key); for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) { Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(key); if (primaryNodeId.equals(entry.getKey())) assertEquals("val" + key, val); else assertNull(val); } } // Now check that we will see value in near cache in pinned mode. for (int i = 100; i < 200; i++) { String pinnedKey = "key" + i; UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, pinnedKey).id(); UUID pinnedNodeId = F.first(F.view(gridsByLocNode.keySet(), F.notEqualTo(primaryNodeId))); GridClientNode node = compute.node(pinnedNodeId); partitioned.pinNodes(node).put(pinnedKey, "val" + pinnedKey); for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) { Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(pinnedKey); if (primaryNodeId.equals(entry.getKey()) || pinnedNodeId.equals(entry.getKey())) assertEquals("val" + pinnedKey, val); else assertNull(val); } } }
/** * @param cctx Cache context. * @param prj Projection (optional). * @return Collection of data nodes in provided projection (if any). */ private static Collection<GridNode> nodes( final GridCacheContext<?, ?> cctx, @Nullable final GridProjection prj) { assert cctx != null; return F.view( CU.allNodes(cctx), new P1<GridNode>() { @Override public boolean apply(GridNode n) { GridCacheDistributionMode mode = U.distributionMode(n, cctx.name()); return (mode == PARTITIONED_ONLY || mode == NEAR_PARTITIONED) && (prj == null || prj.node(n.id()) != null); } }); }