コード例 #1
0
  /** {@inheritDoc} */
  @Override
  public void stop() {
    spi.setListener(null);

    Map<String, List<GridDeployment>> copy;

    synchronized (mux) {
      copy = new HashMap<String, List<GridDeployment>>(cache);

      for (Entry<String, List<GridDeployment>> entry : copy.entrySet()) {
        entry.setValue(new ArrayList<GridDeployment>(entry.getValue()));
      }
    }

    for (List<GridDeployment> deps : copy.values()) {
      for (GridDeployment cls : deps) {
        // We don't record event, as recording causes invocation of
        // discovery manager which is already stopped.
        undeploy(cls.classLoader(), /*don't record event. */ false);
      }
    }

    if (log.isDebugEnabled()) {
      log.debug(stopInfo());
    }
  }
コード例 #2
0
  /**
   * @param ldr Class loader to undeploy.
   * @param recEvt Whether or not to record the event.
   */
  private void undeploy(ClassLoader ldr, boolean recEvt) {
    Collection<GridDeployment> doomed = new HashSet<GridDeployment>();

    synchronized (mux) {
      for (Iterator<LinkedList<GridDeployment>> i1 = cache.values().iterator(); i1.hasNext(); ) {
        LinkedList<GridDeployment> deps = i1.next();

        for (Iterator<GridDeployment> i2 = deps.iterator(); i2.hasNext(); ) {
          GridDeployment dep = i2.next();

          if (dep.classLoader() == ldr) {
            dep.undeploy();

            i2.remove();

            doomed.add(dep);

            if (log.isInfoEnabled()) {
              log.info("Removed undeployed class: " + dep);
            }
          }
        }

        if (deps.isEmpty()) {
          i1.remove();
        }
      }
    }

    for (GridDeployment dep : doomed) {
      if (dep.isObsolete()) {
        // Resource cleanup.
        ctx.resource().onUndeployed(dep);
      }

      if (recEvt) {
        recordUndeploy(dep, true);
      }
    }
  }
コード例 #3
0
  /**
   * @param depMode Deployment mode.
   * @param ldr Class loader to deploy.
   * @param cls Class.
   * @param alias Class alias.
   * @return Deployment.
   */
  @SuppressWarnings({"ConstantConditions"})
  private GridDeployment deploy(
      GridDeploymentMode depMode, ClassLoader ldr, Class<?> cls, String alias) {
    assert Thread.holdsLock(mux);

    LinkedList<GridDeployment> cachedDeps = null;

    GridDeployment dep = null;

    // Find existing class loader info.
    for (LinkedList<GridDeployment> deps : cache.values()) {
      for (GridDeployment d : deps) {
        if (d.classLoader() == ldr) {
          // Cache class and alias.
          d.addDeployedClass(cls, alias);

          cachedDeps = deps;

          dep = d;

          break;
        }
      }

      if (cachedDeps != null) {
        break;
      }
    }

    if (cachedDeps != null) {
      assert dep != null;

      cache.put(alias, cachedDeps);

      if (!cls.getName().equals(alias)) {
        // Cache by class name as well.
        cache.put(cls.getName(), cachedDeps);
      }

      return dep;
    }

    GridUuid ldrId = GridUuid.randomUuid();

    long seqNum = seq.incrementAndGet();

    String userVer = getUserVersion(ldr);

    dep = new GridDeployment(depMode, ldr, ldrId, seqNum, userVer, cls.getName(), true);

    dep.addDeployedClass(cls, alias);

    LinkedList<GridDeployment> deps =
        F.addIfAbsent(cache, alias, F.<GridDeployment>newLinkedList());

    if (!deps.isEmpty()) {
      for (GridDeployment d : deps) {
        if (!d.isUndeployed()) {
          U.error(
              log,
              "Found more than one active deployment for the same resource "
                  + "[cls="
                  + cls
                  + ", depMode="
                  + depMode
                  + ", dep="
                  + d
                  + ']');

          return null;
        }
      }
    }

    // Add at the beginning of the list for future fast access.
    deps.addFirst(dep);

    if (!cls.getName().equals(alias)) {
      // Cache by class name as well.
      cache.put(cls.getName(), deps);
    }

    if (log.isDebugEnabled()) {
      log.debug("Created new deployment: " + dep);
    }

    return dep;
  }