/** {@inheritDoc} */
  @Override
  public void finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr)
      throws IgniteCheckedException {
    super.finishUnmarshal(ctx, ldr);

    if (writes != null) unmarshalTx(writes, false, ctx, ldr);

    if (reads != null) unmarshalTx(reads, false, ctx, ldr);

    if (grpLockKeyBytes != null && grpLockKey == null)
      grpLockKey = ctx.marshaller().unmarshal(grpLockKeyBytes, ldr);

    if (dhtVerKeys != null && dhtVers == null) {
      assert dhtVerVals != null;
      assert dhtVerKeys.size() == dhtVerVals.size();

      Iterator<IgniteTxKey> keyIt = dhtVerKeys.iterator();
      Iterator<GridCacheVersion> verIt = dhtVerVals.iterator();

      dhtVers = U.newHashMap(dhtVerKeys.size());

      while (keyIt.hasNext()) {
        IgniteTxKey key = keyIt.next();

        key.finishUnmarshal(ctx.cacheContext(key.cacheId()), ldr);

        dhtVers.put(key, verIt.next());
      }
    }

    if (txNodesBytes != null) txNodes = ctx.marshaller().unmarshal(txNodesBytes, ldr);
  }
  /**
   * JUnit.
   *
   * @throws Exception If failed.
   */
  public void testIterator() throws Exception {
    // Random queue name.
    String queueName = UUID.randomUUID().toString();

    IgniteQueue<String> queue = grid(0).queue(queueName, 0, config(false));

    for (int i = 0; i < 100; i++) assert queue.add(Integer.toString(i));

    Iterator<String> iter1 = queue.iterator();

    int cnt = 0;
    for (int i = 0; i < 100; i++) {
      assertNotNull(iter1.next());
      cnt++;
    }

    assertEquals(100, queue.size());
    assertEquals(100, cnt);

    assertNotNull(queue.take());
    assertNotNull(queue.take());
    assertTrue(queue.remove("33"));
    assertTrue(queue.remove("77"));

    assertEquals(96, queue.size());

    Iterator<String> iter2 = queue.iterator();

    try {
      iter2.remove();
    } catch (IllegalStateException e) {
      info("Caught expected exception: " + e);
    }

    iter2.next();
    iter2.remove();

    cnt = 0;
    while (iter2.hasNext()) {
      assertNotNull(iter2.next());
      cnt++;
    }

    assertEquals(95, cnt);
    assertEquals(95, queue.size());

    iter2.remove();
  }
  /** {@inheritDoc} */
  @Override
  public void finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr)
      throws IgniteCheckedException {
    super.finishUnmarshal(ctx, ldr);

    if (ownedValKeys != null && ownedVals == null) {
      ownedVals = U.newHashMap(ownedValKeys.size());

      assert ownedValKeys.size() == ownedValVals.size();

      Iterator<IgniteTxKey> keyIter = ownedValKeys.iterator();

      Iterator<CacheVersionedValue> valIter = ownedValVals.iterator();

      while (keyIter.hasNext()) {
        IgniteTxKey key = keyIter.next();

        GridCacheContext cctx = ctx.cacheContext(key.cacheId());

        CacheVersionedValue val = valIter.next();

        key.finishUnmarshal(cctx, ldr);

        val.finishUnmarshal(cctx, ldr);

        ownedVals.put(key, val);
      }
    }

    if (retVal != null && retVal.cacheId() != 0) {
      GridCacheContext cctx = ctx.cacheContext(retVal.cacheId());

      assert cctx != null : retVal.cacheId();

      retVal.finishUnmarshal(cctx, ldr);
    }

    if (filterFailedKeys != null) {
      for (IgniteTxKey key : filterFailedKeys) {
        GridCacheContext cctx = ctx.cacheContext(key.cacheId());

        key.finishUnmarshal(cctx, ldr);
      }
    }
  }
  /** Clears values for this partition. */
  private void clearAll() {
    GridCacheVersion clearVer = cctx.versions().next();

    boolean swap = cctx.isSwapOrOffheapEnabled();

    boolean rec = cctx.events().isRecordable(EVT_CACHE_REBALANCE_OBJECT_UNLOADED);

    Iterator<GridDhtCacheEntry> it = map.values().iterator();

    GridCloseableIterator<Map.Entry<byte[], GridCacheSwapEntry>> swapIt = null;

    if (swap
        && GridQueryProcessor.isEnabled(cctx.config())) { // Indexing needs to unswap cache values.
      Iterator<GridDhtCacheEntry> unswapIt = null;

      try {
        swapIt = cctx.swap().iterator(id);
        unswapIt = unswapIterator(swapIt);
      } catch (Exception e) {
        U.error(log, "Failed to clear swap for evicted partition: " + this, e);
      }

      if (unswapIt != null) it = F.concat(it, unswapIt);
    }

    try {
      while (it.hasNext()) {
        GridDhtCacheEntry cached = it.next();

        try {
          if (cached.clearInternal(clearVer, swap)) {
            map.remove(cached.key(), cached);

            if (!cached.isInternal()) {
              mapPubSize.decrement();

              if (rec)
                cctx.events()
                    .addEvent(
                        cached.partition(),
                        cached.key(),
                        cctx.localNodeId(),
                        (IgniteUuid) null,
                        null,
                        EVT_CACHE_REBALANCE_OBJECT_UNLOADED,
                        null,
                        false,
                        cached.rawGet(),
                        cached.hasValue(),
                        null,
                        null,
                        null);
            }
          }
        } catch (IgniteCheckedException e) {
          U.error(log, "Failed to clear cache entry for evicted partition: " + cached, e);
        }
      }
    } finally {
      U.close(swapIt, log);
    }
  }