/** @param log Logger. */
    private void execute(GridLogger log) {
      try {
        log.info("Started execute.");

        // Countdown shared job latch so that the main thread know that all jobs are
        // inside the "execute" routine.
        jobLatch.countDown();

        log.info("After job latch.");

        // Await for the main thread to allow jobs to proceed.
        latch.await();

        log.info("After latch.");

        if (awaitMasterLeaveCallback) {
          latch0.await();

          log.info("After latch0.");
        } else log.info("Latch 0 skipped.");
      } catch (InterruptedException e) {
        // We do not expect any interruptions here, hence this statement.
        fail("Unexpected exception: " + e);
      }
    }
  /** {@inheritDoc} */
  @Override
  public void spiStop() throws GridSpiException {
    unregisterMBean();

    // Ack ok stop.
    if (log.isDebugEnabled()) log.debug(stopInfo());
  }
  /**
   * @param cancel {@code True} to close with cancellation.
   * @throws GridException If failed.
   */
  @Override
  public void close(boolean cancel) throws GridException {
    if (!closed.compareAndSet(false, true)) return;

    busyLock.block();

    if (log.isDebugEnabled())
      log.debug("Closing data loader [ldr=" + this + ", cancel=" + cancel + ']');

    GridException e = null;

    try {
      // Assuming that no methods are called on this loader after this method is called.
      if (cancel) {
        cancelled = true;

        for (Buffer buf : bufMappings.values()) buf.cancelAll();
      } else doFlush();

      ctx.event().removeLocalEventListener(discoLsnr);

      ctx.io().removeMessageListener(topic);
    } catch (GridException e0) {
      e = e0;
    }

    fut.onDone(null, e);

    if (e != null) throw e;
  }
  /** {@inheritDoc} */
  @Override
  public void put(@Nullable GridCacheTx tx, K key, @Nullable V val) throws GridException {
    init();

    if (log.isDebugEnabled())
      log.debug("Store put [key=" + key + ", val=" + val + ", tx=" + tx + ']');

    if (val == null) {
      remove(tx, key);

      return;
    }

    Session ses = session(tx);

    try {
      GridCacheHibernateBlobStoreEntry entry =
          new GridCacheHibernateBlobStoreEntry(toBytes(key), toBytes(val));

      ses.saveOrUpdate(entry);
    } catch (HibernateException e) {
      rollback(ses, tx);

      throw new GridException(
          "Failed to put value to cache store [key=" + key + ", val" + val + "]", e);
    } finally {
      end(ses, tx);
    }
  }
  /** {@inheritDoc} */
  @SuppressWarnings({"unchecked", "RedundantTypeArguments"})
  @Override
  public V load(@Nullable GridCacheTx tx, K key) throws GridException {
    init();

    if (log.isDebugEnabled()) log.debug("Store load [key=" + key + ", tx=" + tx + ']');

    Session ses = session(tx);

    try {
      GridCacheHibernateBlobStoreEntry entry =
          (GridCacheHibernateBlobStoreEntry)
              ses.get(GridCacheHibernateBlobStoreEntry.class, toBytes(key));

      if (entry == null) return null;

      return fromBytes(entry.getValue());
    } catch (HibernateException e) {
      rollback(ses, tx);

      throw new GridException("Failed to load value from cache store with key: " + key, e);
    } finally {
      end(ses, tx);
    }
  }
  /** {@inheritDoc} */
  @Override
  public void txEnd(GridCacheTx tx, boolean commit) throws GridException {
    init();

    Session ses = tx.removeMeta(ATTR_SES);

    if (ses != null) {
      Transaction hTx = ses.getTransaction();

      if (hTx != null) {
        try {
          if (commit) {
            ses.flush();

            hTx.commit();
          } else hTx.rollback();

          if (log.isDebugEnabled())
            log.debug("Transaction ended [xid=" + tx.xid() + ", commit=" + commit + ']');
        } catch (HibernateException e) {
          throw new GridException(
              "Failed to end transaction [xid=" + tx.xid() + ", commit=" + commit + ']', e);
        } finally {
          ses.close();
        }
      }
    }
  }
  /**
   * Gets Hibernate session.
   *
   * @param tx Cache transaction.
   * @return Session.
   */
  Session session(@Nullable GridCacheTx tx) {
    Session ses;

    if (tx != null) {
      ses = tx.meta(ATTR_SES);

      if (ses == null) {
        ses = sesFactory.openSession();

        ses.beginTransaction();

        // Store session in transaction metadata, so it can be accessed
        // for other operations on the same transaction.
        tx.addMeta(ATTR_SES, ses);

        if (log.isDebugEnabled())
          log.debug("Hibernate session open [ses=" + ses + ", tx=" + tx.xid() + "]");
      }
    } else {
      ses = sesFactory.openSession();

      ses.beginTransaction();
    }

    return ses;
  }
Example #8
0
    /** {@inheritDoc} */
    @Override
    protected Collection<GridComputeJobAdapter> split(int gridSize, Object arg)
        throws GridException {
      assert rsrc1 != null;
      assert rsrc2 != null;
      assert rsrc3 != null;
      assert rsrc4 != null;
      assert log != null;

      log.info("Injected shared resource1 into task: " + rsrc1);
      log.info("Injected shared resource2 into task: " + rsrc2);
      log.info("Injected shared resource3 into task: " + rsrc3);
      log.info("Injected shared resource4 into task: " + rsrc4);
      log.info("Injected log resource into task: " + log);

      task1Rsrc1 = rsrc1;
      task1Rsrc2 = rsrc2;
      task1Rsrc3 = rsrc3;
      task1Rsrc4 = rsrc4;

      Collection<GridComputeJobAdapter> jobs = new ArrayList<>(gridSize);

      for (int i = 0; i < gridSize; i++) {
        jobs.add(new GridSharedJob1());
      }

      return jobs;
    }
Example #9
0
  /**
   * Completeness callback.
   *
   * @param success {@code True} if lock was acquired.
   * @param distribute {@code True} if need to distribute lock removal in case of failure.
   * @return {@code True} if complete by this operation.
   */
  private boolean onComplete(boolean success, boolean distribute) {
    if (log.isDebugEnabled())
      log.debug(
          "Received onComplete(..) callback [success="
              + success
              + ", distribute="
              + distribute
              + ", fut="
              + this
              + ']');

    if (!success) undoLocks(distribute);

    if (tx != null) cctx.tm().txContext(tx);

    if (super.onDone(success, err.get())) {
      if (log.isDebugEnabled()) log.debug("Completing future: " + this);

      // Clean up.
      cctx.mvcc().removeFuture(this);

      if (timeoutObj != null) cctx.time().removeTimeoutObject(timeoutObj);

      return true;
    }

    return false;
  }
  /**
   * Creates new HTTP requests handler.
   *
   * @param hnd Handler.
   * @param authChecker Authentication checking closure.
   * @param log Logger.
   */
  GridJettyRestHandler(
      GridRestProtocolHandler hnd, GridClosure<String, Boolean> authChecker, GridLogger log) {
    assert hnd != null;
    assert log != null;

    this.hnd = hnd;
    this.log = log;
    this.authChecker = authChecker;

    // Init default page and favicon.
    try {
      initDefaultPage();

      if (log.isDebugEnabled()) log.debug("Initialized default page.");
    } catch (IOException e) {
      U.warn(log, "Failed to initialize default page: " + e.getMessage());
    }

    try {
      initFavicon();

      if (log.isDebugEnabled())
        log.debug(
            favicon != null ? "Initialized favicon, size: " + favicon.length : "Favicon is null.");
    } catch (IOException e) {
      U.warn(log, "Failed to initialize favicon: " + e.getMessage());
    }
  }
    /** {@inheritDoc} */
    @Override
    public Serializable reduce(List<GridComputeJobResult> results) throws GridException {
      if (log.isInfoEnabled()) log.info("Reducing job [job=" + this + ", results=" + results + ']');

      if (results.size() > 1) fail();

      return results.get(0).getData();
    }
  /** {@inheritDoc} */
  @Nullable
  @Override
  public GridDeployment explicitDeploy(Class<?> cls, ClassLoader clsLdr) throws GridException {
    if (log.isDebugEnabled())
      log.debug("Ignoring explicit deploy [cls=" + cls + ", clsLdr=" + clsLdr + ']');

    return null;
  }
  /**
   * Gets job priority. At first tries to get from job context. If job context has no priority, then
   * tries to get from task session. If task session has no priority default one will be used.
   *
   * @param ctx Collision job context.
   * @return Job priority.
   */
  private int getJobPriority(GridCollisionJobContext ctx) {
    assert ctx != null;

    Integer p = null;

    GridJobContext jctx = ctx.getJobContext();

    try {
      p = (Integer) jctx.getAttribute(jobAttrKey);
    } catch (ClassCastException e) {
      LT.error(
          log,
          e,
          "Type of job context priority attribute '"
              + jobAttrKey
              + "' is not java.lang.Integer [type="
              + jctx.getAttribute(jobAttrKey).getClass()
              + ']');
    }

    if (p == null) {
      GridTaskSession ses = ctx.getTaskSession();

      try {
        p = (Integer) ses.getAttribute(taskAttrKey);
      } catch (ClassCastException e) {
        LT.error(
            log,
            e,
            "Type of task session priority attribute '"
                + taskAttrKey
                + "' is not java.lang.Integer [type="
                + ses.getAttribute(taskAttrKey).getClass()
                + ']');
      }

      if (p == null) {
        if (log.isDebugEnabled()) {
          log.debug(
              "Failed get priority from job context attribute '"
                  + jobAttrKey
                  + "' and task session attribute '"
                  + taskAttrKey
                  + "' (will use default priority): "
                  + dfltPriority);
        }

        p = dfltPriority;
      }
    }

    assert p != null;

    return p;
  }
  /** {@inheritDoc} */
  @Override
  public void spiStart(String gridName) throws GridSpiException {
    assertParameter(parallelJobsNum > 0, "parallelJobsNum > 0");
    assertParameter(waitJobsNum >= 0, "waitingJobsNum >= 0");
    assertParameter(taskAttrKey != null, "taskAttrKey != null");
    assertParameter(jobAttrKey != null, "jobAttrKey != null");

    // Start SPI start stopwatch.
    startStopwatch();

    // Ack parameters.
    if (log.isDebugEnabled()) {
      log.debug(configInfo("parallelJobsNum", parallelJobsNum));
      log.debug(configInfo("taskAttrKey", taskAttrKey));
      log.debug(configInfo("jobAttrKey", jobAttrKey));
      log.debug(configInfo("dfltPriority", dfltPriority));
      log.debug(configInfo("starvationInc", starvationInc));
      log.debug(configInfo("preventStarvation", preventStarvation));
    }

    registerMBean(gridName, this, GridPriorityQueueCollisionSpiMBean.class);

    // Ack start.
    if (log.isDebugEnabled()) log.debug(startInfo());
  }
  /** {@inheritDoc} */
  @SuppressWarnings("BusyWait")
  @Override
  public Boolean reduce(List<GridComputeJobResult> results) throws GridException {
    assert taskSes != null;
    assert results != null;
    assert params != null;
    assert !params.isEmpty();
    assert results.size() == params.size();

    Map<String, Integer> receivedParams = new HashMap<>();

    boolean allAttrReceived = false;

    int cnt = 0;

    while (!allAttrReceived && cnt++ < 3) {
      allAttrReceived = true;

      for (Map.Entry<String, Integer> entry : params.entrySet()) {
        assert taskSes.getAttribute(entry.getKey()) != null;

        Integer newVal = (Integer) taskSes.getAttribute(entry.getKey());

        assert newVal != null;

        receivedParams.put(entry.getKey(), newVal);

        if (newVal != entry.getValue() + 1) allAttrReceived = false;
      }

      if (!allAttrReceived) {
        try {
          Thread.sleep(100);
        } catch (InterruptedException e) {
          throw new GridException("Thread interrupted.", e);
        }
      }
    }

    if (log.isDebugEnabled()) {
      for (Map.Entry<String, Integer> entry : receivedParams.entrySet()) {
        log.debug(
            "Received session attr value [name="
                + entry.getKey()
                + ", val="
                + entry.getValue()
                + ", expected="
                + (params.get(entry.getKey()) + 1)
                + ']');
      }
    }

    return allAttrReceived;
  }
    /** {@inheritDoc} */
    @Override
    protected Collection<? extends GridComputeJob> split(int gridSize, Object arg)
        throws GridException {
      if (log.isInfoEnabled())
        log.info("Splitting job [job=" + this + ", gridSize=" + gridSize + ", arg=" + arg + ']');

      Collection<GridComputeJob> jobs = new ArrayList<>(SPLIT_COUNT);

      for (int i = 1; i <= SPLIT_COUNT; i++) jobs.add(new GridCancelTestJob(i));

      return jobs;
    }
    /** {@inheritDoc} */
    @Override
    public Serializable execute() {
      int arg = this.<Integer>argument(0);

      try {
        if (log.isInfoEnabled()) log.info("Executing job [job=" + this + ", arg=" + arg + ']');

        startSignal.countDown();

        try {
          if (!startSignal.await(WAIT_TIME, TimeUnit.MILLISECONDS)) fail();

          if (arg == 1) {
            if (log.isInfoEnabled()) log.info("Job one is proceeding.");
          } else Thread.sleep(WAIT_TIME);
        } catch (InterruptedException e) {
          if (log.isInfoEnabled())
            log.info("Job got cancelled [arg=" + arg + ", ses=" + ses + ", e=" + e + ']');

          return 0;
        }

        if (log.isInfoEnabled()) log.info("Completing job: " + ses);

        return argument(0);
      } finally {
        stopSignal.countDown();

        processedCnt++;
      }
    }
Example #18
0
    /** {@inheritDoc} */
    @Override
    public Map<? extends GridComputeJob, GridNode> map(List<GridNode> subgrid, String arg)
        throws GridException {
      assert locNodeId != null;

      if (log.isInfoEnabled()) {
        log.info("Mapping jobs [subgrid=" + subgrid + ", arg=" + arg + ']');
      }

      GridNode remoteNode = null;

      for (GridNode node : subgrid) {
        if (!node.id().equals(locNodeId)) {
          remoteNode = node;
        }
      }

      return Collections.singletonMap(
          new GridComputeJobAdapter(locNodeId) {
            /** */
            @GridLocalNodeIdResource private UUID nodeId;

            /** {@inheritDoc} */
            @SuppressWarnings("NakedNotify")
            @Override
            public Serializable execute() throws GridException {
              assert nodeId != null;

              if (!nodeId.equals(argument(0))) {
                try {
                  synchronized (mux) {
                    mux.notifyAll();
                  }

                  Thread.sleep(Integer.MAX_VALUE);
                } catch (InterruptedException e) {
                  throw new GridComputeExecutionRejectedException(
                      "Expected interruption during execution.", e);
                }
              } else {
                return "success";
              }

              throw new GridComputeExecutionRejectedException(
                  "Expected exception during execution.");
            }
          },
          remoteNode);
    }
  /**
   * @param rmtReducer Optional reducer.
   * @param rmtTransform Optional transformer.
   * @param args Arguments.
   * @return Future.
   */
  @SuppressWarnings("IfMayBeConditional")
  private <R> GridCacheQueryFuture<R> execute(
      @Nullable GridReducer<T, R> rmtReducer,
      @Nullable GridClosure<T, R> rmtTransform,
      @Nullable Object... args) {
    Collection<GridNode> nodes = nodes();

    cctx.checkSecurity(GridSecurityPermission.CACHE_READ);

    if (F.isEmpty(nodes))
      return new GridCacheQueryErrorFuture<>(
          cctx.kernalContext(),
          new GridEmptyProjectionException("There are no data nodes for cache: " + cctx.namexx()));

    if (log.isDebugEnabled())
      log.debug("Executing query [query=" + this + ", nodes=" + nodes + ']');

    if (cctx.deploymentEnabled()) {
      try {
        cctx.deploy().registerClasses(filter, rmtReducer, rmtTransform);
        cctx.deploy().registerClasses(args);
      } catch (GridException e) {
        return new GridCacheQueryErrorFuture<>(cctx.kernalContext(), e);
      }
    }

    if (subjId == null) subjId = cctx.localNodeId();

    taskHash = cctx.kernalContext().job().currentTaskNameHash();

    GridCacheQueryBean bean =
        new GridCacheQueryBean(
            this,
            (GridReducer<Object, Object>) rmtReducer,
            (GridClosure<Object, Object>) rmtTransform,
            args);

    GridCacheQueryManager qryMgr = cctx.queries();

    boolean loc = nodes.size() == 1 && F.first(nodes).id().equals(cctx.localNodeId());

    if (type == SQL_FIELDS)
      return (GridCacheQueryFuture<R>)
          (loc ? qryMgr.queryFieldsLocal(bean) : qryMgr.queryFieldsDistributed(bean, nodes));
    else
      return (GridCacheQueryFuture<R>)
          (loc ? qryMgr.queryLocal(bean) : qryMgr.queryDistributed(bean, nodes));
  }
  /** @throws GridException If operation failed. */
  private void initializeLatch() throws GridException {
    if (initGuard.compareAndSet(false, true)) {
      try {
        internalLatch =
            CU.outTx(
                new Callable<CountDownLatch>() {
                  @Override
                  public CountDownLatch call() throws Exception {
                    GridCacheTx tx =
                        CU.txStartInternal(ctx, latchView, PESSIMISTIC, REPEATABLE_READ);

                    try {
                      GridCacheCountDownLatchValue val = latchView.get(key);

                      if (val == null) {
                        if (log.isDebugEnabled())
                          log.debug("Failed to find count down latch with given name: " + name);

                        assert cnt == 0;

                        return new CountDownLatch(cnt);
                      }

                      tx.commit();

                      return new CountDownLatch(val.get());
                    } finally {
                      tx.end();
                    }
                  }
                },
                ctx);

        if (log.isDebugEnabled()) log.debug("Initialized internal latch: " + internalLatch);
      } finally {
        initLatch.countDown();
      }
    } else {
      try {
        initLatch.await();
      } catch (InterruptedException ignored) {
        throw new GridException("Thread has been interrupted.");
      }

      if (internalLatch == null)
        throw new GridException("Internal latch has not been properly initialized.");
    }
  }
    /**
     * @param log Logger.
     * @param job Actual job.
     */
    private void onMasterLeave(GridLogger log, Object job) {
      log.info("Callback executed: " + job);

      latch0.countDown();

      invokeLatch.countDown();
    }
  /** {@inheritDoc} */
  @Override
  public void handle(String target, Request req, HttpServletRequest srvReq, HttpServletResponse res)
      throws IOException, ServletException {
    if (log.isDebugEnabled())
      log.debug("Handling request [target=" + target + ", req=" + req + ", srvReq=" + srvReq + ']');

    if (target.startsWith("/gridgain")) {
      processRequest(target, srvReq, res);

      req.setHandled(true);
    } else if (target.startsWith("/favicon.ico")) {
      if (favicon == null) {
        res.setStatus(HttpServletResponse.SC_NOT_FOUND);

        req.setHandled(true);

        return;
      }

      res.setStatus(HttpServletResponse.SC_OK);

      res.setContentType("image/x-icon");

      res.getOutputStream().write(favicon);
      res.getOutputStream().flush();

      req.setHandled(true);
    } else {
      if (dfltPage == null) {
        res.setStatus(HttpServletResponse.SC_NOT_FOUND);

        req.setHandled(true);

        return;
      }

      res.setStatus(HttpServletResponse.SC_OK);

      res.setContentType("text/html");

      res.getWriter().write(dfltPage);
      res.getWriter().flush();

      req.setHandled(true);
    }
  }
Example #23
0
  /**
   * @param nodeId Sender.
   * @param res Result.
   */
  void onResult(UUID nodeId, GridNearLockResponse<K, V> res) {
    if (!isDone()) {
      if (log.isDebugEnabled())
        log.debug(
            "Received lock response from node [nodeId="
                + nodeId
                + ", res="
                + res
                + ", fut="
                + this
                + ']');

      for (GridFuture<Boolean> fut : pending()) {
        if (isMini(fut)) {
          MiniFuture mini = (MiniFuture) fut;

          if (mini.futureId().equals(res.miniId())) {
            assert mini.node().id().equals(nodeId);

            if (log.isDebugEnabled())
              log.debug("Found mini future for response [mini=" + mini + ", res=" + res + ']');

            mini.onResult(res);

            if (log.isDebugEnabled())
              log.debug(
                  "Future after processed lock response [fut="
                      + this
                      + ", mini="
                      + mini
                      + ", res="
                      + res
                      + ']');

            return;
          }
        }
      }

      U.warn(
          log,
          "Failed to find mini future for response (perhaps due to stale message) [res="
              + res
              + ", fut="
              + this
              + ']');
    } else if (log.isDebugEnabled())
      log.debug(
          "Ignoring lock response from node (future is done) [nodeId="
              + nodeId
              + ", res="
              + res
              + ", fut="
              + this
              + ']');
  }
Example #24
0
  /**
   * @param cached Entry to check.
   * @return {@code True} if filter passed.
   */
  private boolean filter(GridCacheEntryEx<K, V> cached) {
    try {
      if (!cctx.isAll(cached, filter)) {
        if (log.isDebugEnabled())
          log.debug("Filter didn't pass for entry (will fail lock): " + cached);

        onFailed(true);

        return false;
      }

      return true;
    } catch (GridException e) {
      onError(e);

      return false;
    }
  }
  /** {@inheritDoc} */
  @Override
  public Map<? extends GridComputeJob, GridNode> map(List<GridNode> subgrid, Integer arg)
      throws GridException {
    assert taskSes != null;
    assert arg != null;
    assert arg > 0;

    Map<GridSessionLoadTestJob, GridNode> map = new HashMap<>(subgrid.size());

    Iterator<GridNode> iter = subgrid.iterator();

    Random rnd = new Random();

    params = new HashMap<>(arg);

    Collection<UUID> assigned = new ArrayList<>(subgrid.size());

    for (int i = 0; i < arg; i++) {
      // Recycle iterator.
      if (!iter.hasNext()) iter = subgrid.iterator();

      String paramName = UUID.randomUUID().toString();

      int paramVal = rnd.nextInt();

      taskSes.setAttribute(paramName, paramVal);

      GridNode node = iter.next();

      assigned.add(node.id());

      map.put(new GridSessionLoadTestJob(paramName), node);

      params.put(paramName, paramVal);

      if (log.isDebugEnabled())
        log.debug("Set session attribute [name=" + paramName + ", value=" + paramVal + ']');
    }

    taskSes.setAttribute("nodes", assigned);

    return map;
  }
Example #26
0
  /**
   * Adds entry to future.
   *
   * @param topVer Topology version.
   * @param entry Entry to add.
   * @param dhtNodeId DHT node ID.
   * @return Lock candidate.
   * @throws GridCacheEntryRemovedException If entry was removed.
   */
  @Nullable
  private GridCacheMvccCandidate<K> addEntry(
      long topVer, GridNearCacheEntry<K, V> entry, UUID dhtNodeId)
      throws GridCacheEntryRemovedException {
    // Check if lock acquisition is timed out.
    if (timedOut) return null;

    // Add local lock first, as it may throw GridCacheEntryRemovedException.
    GridCacheMvccCandidate<K> c =
        entry.addNearLocal(
            dhtNodeId, threadId, lockVer, timeout, !inTx(), inTx(), implicitSingleTx());

    if (inTx()) {
      GridCacheTxEntry<K, V> txEntry = tx.entry(entry.key());

      txEntry.cached(entry, txEntry.keyBytes());
    }

    if (c != null) c.topologyVersion(topVer);

    synchronized (mux) {
      entries.add(entry);
    }

    if (c == null && timeout < 0) {
      if (log.isDebugEnabled()) log.debug("Failed to acquire lock with negative timeout: " + entry);

      onFailed(false);

      return null;
    }

    // Double check if lock acquisition has already timed out.
    if (timedOut) {
      entry.removeLock(lockVer);

      return null;
    }

    return c;
  }
  /** {@inheritDoc} */
  @SuppressWarnings({"JpaQueryApiInspection", "JpaQlInspection"})
  @Override
  public void remove(@Nullable GridCacheTx tx, K key) throws GridException {
    init();

    if (log.isDebugEnabled()) log.debug("Store remove [key=" + key + ", tx=" + tx + ']');

    Session ses = session(tx);

    try {
      Object obj = ses.get(GridCacheHibernateBlobStoreEntry.class, toBytes(key));

      if (obj != null) ses.delete(obj);
    } catch (HibernateException e) {
      rollback(ses, tx);

      throw new GridException("Failed to remove value from cache store with key: " + key, e);
    } finally {
      end(ses, tx);
    }
  }
Example #28
0
  /** {@inheritDoc} */
  @Override
  public boolean onDone(Boolean success, Throwable err) {
    if (log.isDebugEnabled())
      log.debug(
          "Received onDone(..) callback [success="
              + success
              + ", err="
              + err
              + ", fut="
              + this
              + ']');

    // If locks were not acquired yet, delay completion.
    if (isDone() || (err == null && success && !checkLocks())) return false;

    this.err.compareAndSet(null, err instanceof GridCacheLockTimeoutException ? null : err);

    if (err != null) success = false;

    return onComplete(success, true);
  }
Example #29
0
  /**
   * @param nodeId Left node ID
   * @return {@code True} if node was in the list.
   */
  @SuppressWarnings({"ThrowableInstanceNeverThrown"})
  @Override
  public boolean onNodeLeft(UUID nodeId) {
    boolean found = false;

    for (GridFuture<?> fut : futures()) {
      if (isMini(fut)) {
        MiniFuture f = (MiniFuture) fut;

        if (f.node().id().equals(nodeId)) {
          if (log.isDebugEnabled())
            log.debug(
                "Found mini-future for left node [nodeId="
                    + nodeId
                    + ", mini="
                    + f
                    + ", fut="
                    + this
                    + ']');

          f.onResult(newTopologyException(null, nodeId));

          found = true;
        }
      }
    }

    if (!found) {
      if (log.isDebugEnabled())
        log.debug(
            "Near lock future does not have mapping for left node (ignoring) [nodeId="
                + nodeId
                + ", fut="
                + this
                + ']');
    }

    return found;
  }
  /**
   * Checks availability of a classpath resource.
   *
   * @param name Resource name.
   * @return {@code true} if resource is available and ready for read, {@code false} otherwise.
   */
  private boolean resourceAvailable(String name) {
    InputStream cfgStream =
        Thread.currentThread().getContextClassLoader().getResourceAsStream(name);

    if (cfgStream == null) {
      log.error("Classpath resource not found: " + name);

      return false;
    }

    try {
      // Read a single byte to force actual content access by JVM.
      cfgStream.read();

      return true;
    } catch (IOException e) {
      log.error("Failed to read classpath resource: " + name, e);

      return false;
    } finally {
      U.close(cfgStream, log);
    }
  }