/** {@inheritDoc} */
  @Override
  public void writeExternal(ObjectOutput out) throws IOException {
    super.writeExternal(out);

    out.writeLong(threadId);
    out.writeBoolean(commit);
    out.writeBoolean(invalidate);
    out.writeBoolean(reply);

    U.writeGridUuid(out, futId);
    CU.writeVersion(out, commitVer);
    CU.writeVersion(out, baseVer);

    U.writeCollection(out, writeEntries);
  }
  /**
   * @param out Object output.
   * @throws IOException If failed.
   */
  @SuppressWarnings("TypeMayBeWeakened")
  private void writeFieldsCollection(ObjectOutput out) throws IOException {
    assert fields;

    out.writeInt(data != null ? data.size() : -1);

    if (data == null) return;

    for (Object o : data) {
      List<GridIndexingEntity<?>> list = (List<GridIndexingEntity<?>>) o;

      out.writeInt(list.size());

      for (GridIndexingEntity<?> idxEnt : list) {
        try {
          out.writeObject(idxEnt.value());
        } catch (GridSpiException e) {
          throw new IOException("Failed to write indexing entity: " + idxEnt, e);
        }
      }
    }
  }
  /** {@inheritDoc} */
  @Override
  public void writeExternal(ObjectOutput out) throws IOException {
    super.writeExternal(out);

    assert futId != null;
    assert miniId != null;
    assert ver != null;

    U.writeGridUuid(out, futId);
    U.writeGridUuid(out, miniId);
    U.writeCollection(out, entries);
    U.writeIntCollection(out, invalidParts);

    CU.writeVersion(out, ver);

    out.writeObject(err);
  }
  /** {@inheritDoc} */
  @Override
  public void writeExternal(ObjectOutput out) throws IOException {
    super.writeExternal(out);

    out.writeLong(topVer);
    out.writeBoolean(implicitTx);
    out.writeBoolean(implicitSingleTx);
    out.writeBoolean(syncCommit);
    out.writeBoolean(syncRollback);
    out.writeObject(filterBytes);

    U.writeArray(out, dhtVers);

    assert miniId != null;

    U.writeGridUuid(out, miniId);
  }
 /** {@inheritDoc} */
 @Override
 public void writeExternal(ObjectOutput out) throws IOException {
   out.writeObject(key);
   out.writeObject(val);
 }
 /** {@inheritDoc} */
 @Override
 public void writeExternal(ObjectOutput out) throws IOException {
   out.writeObject(ctx);
   out.writeUTF(name);
 }
 /** {@inheritDoc} */
 @Override
 public void writeExternal(ObjectOutput out) throws IOException {
   out.writeInt(cnt);
   out.writeInt(initCnt);
   out.writeBoolean(autoDel);
 }