public void run() {
      super.run();

      // save the last set of active JVMs
      Set lastActiveVms = activeVms;

      try {
        // get the current set of active JVMs
        activeVms = (HashSet) vmManager.activeVms();

      } catch (MonitorException e) {
        // XXX: use logging api
        System.err.println("MonitoredHostProvider: polling task " + "caught MonitorException:");
        e.printStackTrace();

        // mark the HostManager as errored and notify listeners
        setLastException(e);
        fireDisconnectedEvents();
      }

      if (activeVms.isEmpty()) {
        return;
      }

      Set startedVms = new HashSet();
      Set terminatedVms = new HashSet();

      for (Iterator i = activeVms.iterator(); i.hasNext(); /* empty */ ) {
        Integer vmid = (Integer) i.next();
        if (!lastActiveVms.contains(vmid)) {
          // a new file has been detected, add to set
          startedVms.add(vmid);
        }
      }

      for (Iterator i = lastActiveVms.iterator(); i.hasNext();
      /* empty */ ) {
        Object o = i.next();
        if (!activeVms.contains(o)) {
          // JVM has terminated, remove it from the active list
          terminatedVms.add(o);
        }
      }

      if (!startedVms.isEmpty() || !terminatedVms.isEmpty()) {
        fireVmStatusChangedEvents(activeVms, startedVms, terminatedVms);
      }
    }
  public ListIterator<ICFLibAnyObj> enumerateDetails(MssCFGenContext genContext) {
    final String S_ProcName = "CFAsteriskMssCFIterateHostNodeConfFile.enumerateDetails() ";

    if (genContext == null) {
      throw CFLib.getDefaultExceptionFactory()
          .newNullArgumentException(getClass(), S_ProcName, 1, "genContext");
    }

    ICFLibAnyObj genDef = genContext.getGenDef();
    if (genDef == null) {
      throw CFLib.getDefaultExceptionFactory()
          .newNullArgumentException(getClass(), S_ProcName, 1, "genContext.getGenDef()");
    }

    List<ICFLibAnyObj> list = new LinkedList<ICFLibAnyObj>();

    if (genDef instanceof ICFAsteriskHostNodeObj) {
      Iterator<ICFAsteriskConfigurationFileObj> elements =
          ((ICFAsteriskHostNodeObj) genDef).getOptionalComponentsConfFile().iterator();
      while (elements.hasNext()) {
        list.add(elements.next());
      }
    } else {
      throw CFLib.getDefaultExceptionFactory()
          .newUnsupportedClassException(
              getClass(), S_ProcName, "genContext.getGenDef()", genDef, "ICFAsteriskHostNodeObj");
    }

    return (list.listIterator());
  }
  public ListIterator<ICFLibAnyObj> enumerateDetails(MssCFGenContext genContext) {
    final String S_ProcName = "CFBamMssCFIterateNumberTypeRef.enumerateDetails() ";

    if (genContext == null) {
      throw CFLib.getDefaultExceptionFactory()
          .newNullArgumentException(getClass(), S_ProcName, 1, "genContext");
    }

    ICFLibAnyObj genDef = genContext.getGenDef();
    if (genDef == null) {
      throw CFLib.getDefaultExceptionFactory()
          .newNullArgumentException(getClass(), S_ProcName, 1, "genContext.getGenDef()");
    }

    List<ICFLibAnyObj> list = new LinkedList<ICFLibAnyObj>();

    if (genDef instanceof ICFBamNumberTypeObj) {
      Iterator<ICFBamTableColObj> elements =
          ((ICFBamNumberTypeObj) genDef).getOptionalChildrenRef().iterator();
      while (elements.hasNext()) {
        list.add(elements.next());
      }
    } else {
      throw CFLib.getDefaultExceptionFactory()
          .newUnsupportedClassException(
              getClass(), S_ProcName, "genContext.getGenDef()", genDef, "ICFBamNumberTypeObj");
    }

    return (list.listIterator());
  }
예제 #4
0
  @Override
  public void notifyResult(AuctionItem item) {
    if (registeredUsers.containsKey(item.getCreator_id())) {
      RMIClientIntf creator = registeredUsers.get(item.getCreator_id());
      try {
        creator.callBack("Your Auction has produced the following results :\n ");
        creator.callBack(item.getResult());
      } catch (RemoteException e) {
        System.out.println("Creator no longer online\n");
      }
    } else {
      System.out.println("Creator id does not exist\n");
    } // Normally an auction with no creator registered should not exist but since this is a
    // simplified implementation
    // We allow bids on auctions with no creator (usually the initialised ones) for testing
    // purposes.
    if (item.numberOfBids() != 0) {
      System.out.println("Notifying bidders");
      Iterator<Bid> it = item.getBidders();
      while (it.hasNext()) {
        Bid bidder = it.next();
        if (registeredUsers.containsKey(bidder.getUserId())) {
          RMIClientIntf client = registeredUsers.get(bidder.getUserId());
          try {
            client.callBack(item.getResult());
          } catch (RemoteException e) {
            System.out.println("Bidder with id " + bidder.getUserId() + " no longer online\n");
          }

        } else {
          System.out.println("User id does not exist\n");
        }
      }
    }
  }
예제 #5
0
  public synchronized Collection<GarbageCollectorMXBean> getGarbageCollectorMXBeans()
      throws IOException {

    // TODO: How to deal with changes to the list??
    if (garbageCollectorMBeans == null) {
      ObjectName gcName = null;
      try {
        gcName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
      } catch (MalformedObjectNameException e) {
        // should not reach here
        assert (false);
      }
      Set<ObjectName> mbeans = server.queryNames(gcName, null);
      if (mbeans != null) {
        garbageCollectorMBeans = new ArrayList<GarbageCollectorMXBean>();
        Iterator<ObjectName> iterator = mbeans.iterator();
        while (iterator.hasNext()) {
          ObjectName on = (ObjectName) iterator.next();
          String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + on.getKeyProperty("name");

          GarbageCollectorMXBean mBean =
              newPlatformMXBeanProxy(server, name, GarbageCollectorMXBean.class);
          garbageCollectorMBeans.add(mBean);
        }
      }
    }
    return garbageCollectorMBeans;
  }
예제 #6
0
  /**
   * Returns a map of MBeans with ObjectName as the key and MBeanInfo value of a given domain. If
   * domain is <tt>null</tt>, all MBeans are returned. If no MBean found, an empty map is returned.
   */
  public Map<ObjectName, MBeanInfo> getMBeans(String domain) throws IOException {

    ObjectName name = null;
    if (domain != null) {
      try {
        name = new ObjectName(domain + ":*");
      } catch (MalformedObjectNameException e) {
        // should not reach here
        assert (false);
      }
    }
    Set<ObjectName> mbeans = server.queryNames(name, null);
    Map<ObjectName, MBeanInfo> result = new HashMap<ObjectName, MBeanInfo>(mbeans.size());
    Iterator<ObjectName> iterator = mbeans.iterator();
    while (iterator.hasNext()) {
      Object object = iterator.next();
      if (object instanceof ObjectName) {
        ObjectName o = (ObjectName) object;
        try {
          MBeanInfo info = server.getMBeanInfo(o);
          result.put(o, info);
        } catch (IntrospectionException e) {
          // TODO: should log the error
        } catch (InstanceNotFoundException e) {
          // TODO: should log the error
        } catch (ReflectionException e) {
          // TODO: should log the error
        }
      }
    }
    return result;
  }
  public ListIterator<ICFLibAnyObj> enumerateDetails(MssCFGenContext genContext) {
    final String S_ProcName = "CFInternetMssCFIterateTSecGroupIncByGroup.enumerateDetails() ";

    if (genContext == null) {
      throw CFLib.getDefaultExceptionFactory()
          .newNullArgumentException(getClass(), S_ProcName, 1, "genContext");
    }

    ICFLibAnyObj genDef = genContext.getGenDef();
    if (genDef == null) {
      throw CFLib.getDefaultExceptionFactory()
          .newNullArgumentException(getClass(), S_ProcName, 1, "genContext.getGenDef()");
    }

    List<ICFLibAnyObj> list = new LinkedList<ICFLibAnyObj>();

    if (genDef instanceof ICFInternetTSecGroupObj) {
      Iterator<ICFSecurityTSecGroupIncludeObj> elements =
          ((ICFInternetTSecGroupObj) genDef).getRequiredChildrenIncByGroup().iterator();
      while (elements.hasNext()) {
        list.add(elements.next());
      }
    } else {
      throw CFLib.getDefaultExceptionFactory()
          .newUnsupportedClassException(
              getClass(), S_ProcName, "genContext.getGenDef()", genDef, "ICFInternetTSecGroupObj");
    }

    return (list.listIterator());
  }
 protected void addMetaDataToNetwork(Network network) {
   if (networkMetadata.size() == 0) {
     return;
   }
   Tuple metadata = new Tuple();
   Set<String> keys = networkMetadata.keySet();
   for (Iterator<String> it = keys.iterator(); it.hasNext(); ) {
     String key = it.next();
     metadata.addSingle(new Single(key, networkMetadata.get(key)));
   }
   network.setMetadata(metadata);
 }
  /** Fire hostDisconnectEvent events. */
  void fireDisconnectedEvents() {
    ArrayList registered = null;
    HostEvent ev = null;

    synchronized (listeners) {
      registered = (ArrayList) listeners.clone();
    }

    for (Iterator i = registered.iterator(); i.hasNext(); /* empty */ ) {
      HostListener l = (HostListener) i.next();
      if (ev == null) {
        ev = new HostEvent(this);
      }
      l.disconnected(ev);
    }
  }
  /**
   * Fire VmStatusChangeEvent events to HostListener objects
   *
   * @param active Set of Integer objects containing the local Vm Identifiers of the active JVMs
   * @param started Set of Integer objects containing the local Vm Identifiers of new JVMs started
   *     since last interval.
   * @param terminated Set of Integer objects containing the local Vm Identifiers of terminated JVMs
   *     since last interval.
   */
  private void fireVmStatusChangedEvents(Set active, Set started, Set terminated) {
    ArrayList registered = null;
    VmStatusChangeEvent ev = null;

    synchronized (listeners) {
      registered = (ArrayList) listeners.clone();
    }

    for (Iterator i = registered.iterator(); i.hasNext(); /* empty */ ) {
      HostListener l = (HostListener) i.next();
      if (ev == null) {
        ev = new VmStatusChangeEvent(this, active, started, terminated);
      }
      l.vmStatusChanged(ev);
    }
  }
예제 #11
0
  public Collection<MemoryPoolProxy> getMemoryPoolProxies() throws IOException {

    // TODO: How to deal with changes to the list??
    if (memoryPoolProxies == null) {
      ObjectName poolName = null;
      try {
        poolName = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE + ",*");
      } catch (MalformedObjectNameException e) {
        // should not reach here
        assert (false);
      }
      Set<ObjectName> mbeans = server.queryNames(poolName, null);
      if (mbeans != null) {
        memoryPoolProxies = new ArrayList<MemoryPoolProxy>();
        Iterator<ObjectName> iterator = mbeans.iterator();
        while (iterator.hasNext()) {
          ObjectName objName = (ObjectName) iterator.next();
          MemoryPoolProxy p = new MemoryPoolProxy(this, objName);
          memoryPoolProxies.add(p);
        }
      }
    }
    return memoryPoolProxies;
  }