@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");
        }
      }
    }
  }
Beispiel #2
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  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;
  }
Beispiel #3
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  /**
   * 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;
  }
Beispiel #4
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  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;
  }