/** {@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);
  }
  /**
   * Checks that cache is empty.
   *
   * @param cache Cache to check.
   * @throws org.apache.ignite.internal.IgniteInterruptedCheckedException If interrupted while
   *     sleeping.
   */
  @SuppressWarnings({"ErrorNotRethrown", "TypeMayBeWeakened"})
  private void checkEmpty(IgniteCache<String, String> cache)
      throws IgniteInterruptedCheckedException {
    for (int i = 0; i < 3; i++) {
      try {
        assertTrue(!cache.iterator().hasNext());

        break;
      } catch (AssertionError e) {
        if (i == 2) throw e;

        info(">>> Cache is not empty, flushing evictions.");

        U.sleep(1000);
      }
    }
  }