/** {@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);
  }
  /**
   * This constructor is meant for optimistic transactions.
   *
   * @param ldr Class loader.
   * @param nodeId Node ID.
   * @param nearNodeId Near node ID.
   * @param rmtThreadId Remote thread ID.
   * @param xidVer XID version.
   * @param commitVer Commit version.
   * @param sys System flag.
   * @param concurrency Concurrency level (should be pessimistic).
   * @param isolation Transaction isolation.
   * @param invalidate Invalidate flag.
   * @param timeout Timeout.
   * @param writeEntries Write entries.
   * @param ctx Cache registry.
   * @param txSize Expected transaction size.
   * @throws IgniteCheckedException If unmarshalling failed.
   */
  public GridNearTxRemote(
      GridCacheSharedContext ctx,
      ClassLoader ldr,
      UUID nodeId,
      UUID nearNodeId,
      long rmtThreadId,
      GridCacheVersion xidVer,
      GridCacheVersion commitVer,
      boolean sys,
      byte plc,
      TransactionConcurrency concurrency,
      TransactionIsolation isolation,
      boolean invalidate,
      long timeout,
      Collection<IgniteTxEntry> writeEntries,
      int txSize,
      @Nullable UUID subjId,
      int taskNameHash)
      throws IgniteCheckedException {
    super(
        ctx,
        nodeId,
        rmtThreadId,
        xidVer,
        commitVer,
        sys,
        plc,
        concurrency,
        isolation,
        invalidate,
        timeout,
        txSize,
        subjId,
        taskNameHash);

    assert nearNodeId != null;

    this.nearNodeId = nearNodeId;

    readMap = Collections.emptyMap();

    writeMap =
        new LinkedHashMap<>(
            writeEntries != null ? Math.max(txSize, writeEntries.size()) : txSize, 1.0f);

    if (writeEntries != null) {
      for (IgniteTxEntry entry : writeEntries) {
        entry.unmarshal(ctx, true, ldr);

        addEntry(entry);
      }
    }
  }