/** {@inheritDoc} */
  @Override
  protected GridConfiguration getConfiguration(String gridName) throws Exception {
    GridConfiguration c = super.getConfiguration(gridName);

    c.setLocalHost(HOST);

    assert c.getClientConnectionConfiguration() == null;

    GridClientConnectionConfiguration clientCfg = new GridClientConnectionConfiguration();

    clientCfg.setRestTcpPort(REST_TCP_PORT_BASE);

    GridSslContextFactory sslCtxFactory = sslContextFactory();

    if (sslCtxFactory != null) {
      clientCfg.setRestTcpSslEnabled(true);
      clientCfg.setRestTcpSslContextFactory(sslCtxFactory);
    }

    c.setClientConnectionConfiguration(clientCfg);

    GridTcpDiscoverySpi disco = new GridTcpDiscoverySpi();

    disco.setIpFinder(IP_FINDER);

    c.setDiscoverySpi(disco);

    TestCommunicationSpi spi = new TestCommunicationSpi();

    spi.setLocalPort(GridTestUtils.getNextCommPort(getClass()));

    c.setCommunicationSpi(spi);

    c.setCacheConfiguration(
        cacheConfiguration(null),
        cacheConfiguration(PARTITIONED_CACHE_NAME),
        cacheConfiguration(REPLICATED_CACHE_NAME),
        cacheConfiguration(REPLICATED_ASYNC_CACHE_NAME));

    ThreadPoolExecutor exec =
        new ThreadPoolExecutor(40, 40, 0, MILLISECONDS, new LinkedBlockingQueue<Runnable>());

    exec.prestartAllCoreThreads();

    c.setExecutorService(exec);

    c.setExecutorServiceShutdown(true);

    ThreadPoolExecutor sysExec =
        new ThreadPoolExecutor(40, 40, 0, MILLISECONDS, new LinkedBlockingQueue<Runnable>());

    sysExec.prestartAllCoreThreads();

    c.setSystemExecutorService(sysExec);

    c.setSystemExecutorServiceShutdown(true);

    return c;
  }
  /** @throws Exception If failed. */
  public void testCreateFileFragmented() throws Exception {
    GridGgfsEx impl = (GridGgfsEx) grid(0).ggfs("ggfs");

    GridGgfsFragmentizerManager fragmentizer = impl.context().fragmentizer();

    GridTestUtils.setFieldValue(fragmentizer, "fragmentizerEnabled", false);

    GridGgfsPath path = new GridGgfsPath("/file");

    try {
      GridGgfs fs0 = grid(0).ggfs("ggfs");
      GridGgfs fs1 = grid(1).ggfs("ggfs");
      GridGgfs fs2 = grid(2).ggfs("ggfs");

      try (GridGgfsOutputStream out =
          fs0.create(
              path,
              128,
              false,
              1,
              CFG_GRP_SIZE,
              F.asMap(GridGgfs.PROP_PREFER_LOCAL_WRITES, "true"))) {
        // 1.5 blocks
        byte[] data = new byte[CFG_BLOCK_SIZE * 3 / 2];

        Arrays.fill(data, (byte) 1);

        out.write(data);
      }

      try (GridGgfsOutputStream out = fs1.append(path, false)) {
        // 1.5 blocks.
        byte[] data = new byte[CFG_BLOCK_SIZE * 3 / 2];

        Arrays.fill(data, (byte) 2);

        out.write(data);
      }

      // After this we should have first two block colocated with grid 0 and last block colocated
      // with grid 1.
      GridGgfsFileImpl fileImpl = (GridGgfsFileImpl) fs.info(path);

      GridCache<Object, Object> metaCache = grid(0).cachex(META_CACHE_NAME);

      GridGgfsFileInfo fileInfo = (GridGgfsFileInfo) metaCache.get(fileImpl.fileId());

      GridGgfsFileMap map = fileInfo.fileMap();

      List<GridGgfsFileAffinityRange> ranges = map.ranges();

      assertEquals(2, ranges.size());

      assertTrue(ranges.get(0).startOffset() == 0);
      assertTrue(ranges.get(0).endOffset() == 2 * CFG_BLOCK_SIZE - 1);

      assertTrue(ranges.get(1).startOffset() == 2 * CFG_BLOCK_SIZE);
      assertTrue(ranges.get(1).endOffset() == 3 * CFG_BLOCK_SIZE - 1);

      // Validate data read after colocated writes.
      try (GridGgfsInputStream in = fs2.open(path)) {
        // Validate first part of file.
        for (int i = 0; i < CFG_BLOCK_SIZE * 3 / 2; i++) assertEquals((byte) 1, in.read());

        // Validate second part of file.
        for (int i = 0; i < CFG_BLOCK_SIZE * 3 / 2; i++) assertEquals((byte) 2, in.read());

        assertEquals(-1, in.read());
      }
    } finally {
      GridTestUtils.setFieldValue(fragmentizer, "fragmentizerEnabled", true);

      boolean hasData = false;

      for (int i = 0; i < NODES_CNT; i++) hasData |= !grid(i).cachex(DATA_CACHE_NAME).isEmpty();

      assertTrue(hasData);

      fs.delete(path, true);
    }

    GridTestUtils.retryAssert(
        log,
        ASSERT_RETRIES,
        ASSERT_RETRY_INTERVAL,
        new CAX() {
          @Override
          public void applyx() {
            for (int i = 0; i < NODES_CNT; i++)
              assertTrue(grid(i).cachex(DATA_CACHE_NAME).isEmpty());
          }
        });
  }
  /** @throws Exception If failed. */
  public void testEmptyProjections() throws Exception {
    final GridClientCompute dflt = client.compute();

    Collection<? extends GridClientNode> nodes = dflt.nodes();

    assertEquals(NODES_CNT, nodes.size());

    Iterator<? extends GridClientNode> iter = nodes.iterator();

    final GridClientCompute singleNodePrj = dflt.projection(Collections.singletonList(iter.next()));

    final GridClientNode second = iter.next();

    final GridClientPredicate<GridClientNode> noneFilter =
        new GridClientPredicate<GridClientNode>() {
          @Override
          public boolean apply(GridClientNode node) {
            return false;
          }
        };

    final GridClientPredicate<GridClientNode> targetFilter =
        new GridClientPredicate<GridClientNode>() {
          @Override
          public boolean apply(GridClientNode node) {
            return node.nodeId().equals(second.nodeId());
          }
        };

    GridTestUtils.assertThrows(
        log(),
        new Callable<Object>() {
          @Override
          public Object call() throws Exception {
            return dflt.projection(noneFilter).log(-1, -1);
          }
        },
        GridServerUnreachableException.class,
        null);

    GridTestUtils.assertThrows(
        log(),
        new Callable<Object>() {
          @Override
          public Object call() throws Exception {
            return singleNodePrj.projection(second);
          }
        },
        GridClientException.class,
        null);

    GridTestUtils.assertThrows(
        log(),
        new Callable<Object>() {
          @Override
          public Object call() throws Exception {
            return singleNodePrj.projection(targetFilter);
          }
        },
        GridClientException.class,
        null);
  }