コード例 #1
0
  /**
   * Example for start/stop node tasks.
   *
   * @param args Not used.
   */
  public static void main(String[] args) {
    String nodeType = "tcp+ssl";

    // Start initial node = 1
    try (Ignite g = G.start(NODE_CFG.get(nodeType))) {
      // Change topology.
      changeTopology(g, 4, 1, nodeType);
      changeTopology(g, 1, 4, nodeType);

      // Stop node by id = 0
      g.compute().execute(ClientStopNodeTask.class, g.cluster().localNode().id().toString());

      // Wait for node stops.
      // U.sleep(1000);

      assert G.allGrids().isEmpty();
    } catch (Exception e) {
      System.err.println("Uncaught exception: " + e.getMessage());

      e.printStackTrace(System.err);
    }
  }
コード例 #2
0
  /** @throws Exception If failed. */
  @SuppressWarnings({"AssignmentToCatchBlockParameter"})
  public void testCancel() throws Exception {
    Ignite ignite = G.ignite(getTestGridName());

    ignite
        .compute()
        .localDeployTask(GridCancelTestTask.class, GridCancelTestTask.class.getClassLoader());

    ComputeTaskFuture<?> res0 =
        executeAsync(
            ignite.compute().withTimeout(maxJobExecTime * 2),
            GridCancelTestTask.class.getName(),
            null);

    try {
      Object res = res0.get();

      info("Cancel test result: " + res);

      synchronized (mux) {
        // Every execute must be called.
        assert execCnt <= SPLIT_COUNT : "Invalid execute count: " + execCnt;

        // Job returns 1 if was cancelled.
        assert (Integer) res <= SPLIT_COUNT : "Invalid task result: " + res;

        // Should be exactly the same as Jobs number.
        assert cancelCnt <= SPLIT_COUNT : "Invalid cancel count: " + cancelCnt;

        // One per start and one per stop and some that come with heartbeats.
        assert colResolutionCnt > SPLIT_COUNT + 1
            : "Invalid collision resolution count: " + colResolutionCnt;
      }
    } catch (ComputeTaskTimeoutException e) {
      error("Task execution got timed out.", e);
    } catch (Exception e) {
      assert e.getCause() != null;

      if (e.getCause() instanceof IgniteCheckedException) e = (Exception) e.getCause();

      if (e.getCause() instanceof IOException) e = (Exception) e.getCause();

      assert e.getCause() instanceof InterruptedException
          : "Invalid exception cause: " + e.getCause();
    }
  }