/** {@inheritDoc} */
  @Override
  public V unswap(K key) throws GridException {
    ctx.denyOnFlags(F.asList(READ, SKIP_SWAP));

    // Unswap only from DHT. Near cache does not have swap storage.
    return dht.unswap(key);
  }
Пример #2
0
 /** {@inheritDoc} */
 @Override
 public void stopListenAsync(@Nullable GridInClosure<? super GridFuture<R>>... lsnr) {
   if (F.isEmpty(lsnr))
     synchronized (mux) {
       lsnrs.clear();
     }
   else
     synchronized (mux) {
       lsnrs.removeAll(F.asList(lsnr));
     }
 }
  /**
   * Checks entry for empty value.
   *
   * @param entry Entry to check.
   * @return {@code True} if entry is empty.
   */
  private boolean empty(GridCacheEntry<K, V> entry) {
    try {
      return entry.peek(F.asList(GLOBAL)) == null;
    } catch (GridException e) {
      U.error(null, e.getMessage(), e);

      assert false : "Should never happen: " + e;

      return false;
    }
  }
  /** @throws GridException If failed. */
  public void testAffinity() throws GridException {
    Grid g1 = grid(1);
    Grid g2 = grid(2);

    assert caches(g1).size() == 0;
    assert F.first(caches(g2)).getCacheMode() == PARTITIONED;

    Map<GridNode, Collection<String>> map = g1.mapKeysToNodes(null, F.asList("1"));

    assertNotNull(map);
    assertEquals("Invalid map size: " + map.size(), 1, map.size());
    assertEquals(F.first(map.keySet()), g2.localNode());

    UUID id1 = g1.mapKeyToNode(null, "2").id();

    assertNotNull(id1);
    assertEquals(g2.localNode().id(), id1);

    UUID id2 = g1.mapKeyToNode(null, "3").id();

    assertNotNull(id2);
    assertEquals(g2.localNode().id(), id2);
  }
  /**
   * Removes locks regardless of whether they are owned or not for given version and keys.
   *
   * @param ver Lock version.
   * @param keys Keys.
   */
  @SuppressWarnings({"unchecked"})
  public void removeLocks(GridCacheVersion ver, Collection<? extends K> keys) {
    if (keys.isEmpty()) return;

    try {
      Collection<GridRichNode> affNodes = null;

      int keyCnt = -1;

      Map<GridNode, GridNearUnlockRequest<K, V>> map = null;

      for (K key : keys) {
        // Send request to remove from remote nodes.
        GridNearUnlockRequest<K, V> req = null;

        while (true) {
          GridDistributedCacheEntry<K, V> entry = peekExx(key);

          try {
            if (entry != null) {
              GridCacheMvccCandidate<K> cand = entry.candidate(ver);

              if (cand != null) {
                if (affNodes == null) {
                  affNodes = CU.allNodes(ctx, cand.topologyVersion());

                  keyCnt = (int) Math.ceil((double) keys.size() / affNodes.size());

                  map = new HashMap<GridNode, GridNearUnlockRequest<K, V>>(affNodes.size());
                }

                GridRichNode primary = CU.primary0(ctx.affinity(key, affNodes));

                if (!primary.isLocal()) {
                  req = map.get(primary);

                  if (req == null) {
                    map.put(primary, req = new GridNearUnlockRequest<K, V>(keyCnt));

                    req.version(ver);
                  }
                }

                // Remove candidate from local node first.
                if (entry.removeLock(cand.version())) {
                  if (primary.isLocal()) {
                    dht.removeLocks(primary.id(), ver, F.asList(key), true);

                    assert req == null;

                    continue;
                  }

                  req.addKey(entry.key(), entry.getOrMarshalKeyBytes(), ctx);
                }
              }
            }

            break;
          } catch (GridCacheEntryRemovedException ignored) {
            if (log.isDebugEnabled())
              log.debug(
                  "Attempted to remove lock from removed entry (will retry) [rmvVer="
                      + ver
                      + ", entry="
                      + entry
                      + ']');
          }
        }
      }

      if (map == null || map.isEmpty()) return;

      Collection<GridCacheVersion> committed = ctx.tm().committedVersions(ver);
      Collection<GridCacheVersion> rolledback = ctx.tm().rolledbackVersions(ver);

      for (Map.Entry<GridNode, GridNearUnlockRequest<K, V>> mapping : map.entrySet()) {
        GridNode n = mapping.getKey();

        GridDistributedUnlockRequest<K, V> req = mapping.getValue();

        if (!req.keyBytes().isEmpty()) {
          req.completedVersions(committed, rolledback);

          // We don't wait for reply to this message.
          ctx.io().send(n, req);
        }
      }
    } catch (GridException ex) {
      U.error(log, "Failed to unlock the lock for keys: " + keys, ex);
    }
  }
Пример #6
0
 /** {@inheritDoc} */
 @Override
 public Collection<GridRichNode> affinityNodes(K key) {
   return F.asList(ctx.localNode());
 }
Пример #7
0
  /** {@inheritDoc} */
  @Override
  public GridFuture<?> addData(Map.Entry<K, V> entry) throws GridException, IllegalStateException {
    A.notNull(entry, "entry");

    return addData(F.asList(entry));
  }
Пример #8
0
  /**
   * @param nodeId Node ID to send message to.
   * @param msg Message to send.
   * @throws GridException If send failed.
   */
  private void send0(UUID nodeId, Object msg) throws GridException {
    GridNode node = ctx.kernalContext().discovery().node(nodeId);

    ctx.kernalContext().io().sendUserMessage(F.asList(node), msg, GridTopic.TOPIC_HADOOP, false, 0);
  }