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);
      }
    }
Ejemplo n.º 2
0
  private Set outputUrlResults(String url, Set m_inclset, Set m_exclset) {
    Set new_incls = new TreeSet(CollectionUtils.subtract(m_inclset, m_reported));
    Set new_excls = new TreeSet(CollectionUtils.subtract(m_exclset, m_reported));
    if (!m_inclset.isEmpty()) {
      outputMessage(
          "\nIncluded Urls: ("
              + new_incls.size()
              + " new, "
              + (m_inclset.size() - new_incls.size())
              + " old)",
          URL_SUMMARY_MESSAGE);
      depth_incl[m_curDepth - 1] += new_incls.size();
    }
    for (Iterator it = new_incls.iterator(); it.hasNext(); ) {
      outputMessage(it.next().toString(), PLAIN_MESSAGE);
    }

    if (!m_exclset.isEmpty()) {
      outputMessage(
          "\nExcluded Urls: ("
              + new_excls.size()
              + " new, "
              + (m_exclset.size() - new_excls.size())
              + " old)",
          URL_SUMMARY_MESSAGE);
    }
    for (Iterator it = new_excls.iterator(); it.hasNext(); ) {
      outputMessage(it.next().toString(), PLAIN_MESSAGE);
    }
    m_reported.addAll(new_incls);
    m_reported.addAll(new_excls);

    if (m_outWriter != null) {
      try {
        m_outWriter.flush();
      } catch (IOException ex) {
      }
    }
    return new_incls;
  }
  private Duple<CrownOperations.Reason, ISynset> getEstimatedSynonym(
      String targetLemma, Set<String> synonyms, POS pos, String gloss) {

    Counter<ISynset> synsetCounts = new ObjectCounter<ISynset>();

    List<String> lemmasInWn = new ArrayList<String>();
    for (String lemma : synonyms) {
      // Get the WordNet sysnet if it exists
      Set<ISynset> senses = WordNetUtils.getSynsets(dict, lemma, pos);
      if (senses.isEmpty()) continue;

      lemmasInWn.add(lemma);
      synsetCounts.countAll(senses);

      // Get the hypernyms of the synset and count their occurrence too
      for (ISynset synset : senses) {
        // Do a sanity check that avoids attaching this Entry if its
        // lemma appears anywhere near the synonoyms.  This check
        // potentially has some false positives since we might avoid
        // putting the lemma somewhere valid (in which case it would
        // have more than would valid location) but is used to avoid
        // noisy integration
        if (WordNetUtils.isAlreadyInWordNet(dict, targetLemma, pos, synset)) {
          return null;
        }

        for (ISynsetID hyper : synset.getRelatedSynsets(Pointer.HYPERNYM)) {
          ISynset hyperSyn = dict.getSynset(hyper);
          if (WordNetUtils.isAlreadyInWordNet(dict, targetLemma, pos, hyperSyn)) {
            return null;
          }
          synsetCounts.count(hyperSyn);
        }
      }
    }

    // Return null if we couldn't find any of the lemma's synonyms or
    // hyponyms in WordNet
    if (synsetCounts.items().isEmpty()) return null;

    // If there was only one lemma in this list in WordNet, try comparing
    // the glosses for just that word to find a match
    if (lemmasInWn.size() == 1) {
      double maxScore = 0;
      ISynset best = null;
      String bestGloss = null;
      Set<ISynset> candidateSynonymSynsets = WordNetUtils.getSynsets(dict, lemmasInWn.get(0), pos);
      for (ISynset candidate : candidateSynonymSynsets) {

        String wnExtendedGloss = WordNetUtils.getGlossWithoutExamples(candidate);
        double score = simFunc.compare(gloss, wnExtendedGloss);
        if (maxScore < score) {
          maxScore = score;
          best = candidate;
          bestGloss = wnExtendedGloss;
        }
      }

      CrownOperations.Reason r = new CrownOperations.Reason(getClass());
      r.set("relation_type", "synonym");
      r.set("heuristic", "single-synonym");
      r.set("max_score", maxScore);
      return new Duple<CrownOperations.Reason, ISynset>(r, best);
    } else {
      // Check for whether there were ties in the max
      ISynset mostFreq = synsetCounts.max();
      int mostFreqCount = synsetCounts.getCount(mostFreq);
      List<ISynset> ties = new ArrayList<ISynset>();
      for (ISynset syn : synsetCounts.items()) {
        int c = synsetCounts.getCount(syn);
        if (c == mostFreqCount) ties.add(syn);
      }

      // If there was only one synset that had the maximum count, then we
      // report this
      if (ties.size() == 1) {

        CrownOperations.Reason r = new CrownOperations.Reason(getClass());
        r.set("relation_type", "synonym");
        r.set("heuristic", "unambiguous-max");
        r.set("count", mostFreqCount);
        return new Duple<CrownOperations.Reason, ISynset>(r, mostFreq);
      }
      // Otherwise, we try breaking ties between the synsets using gloss
      // similarity
      else {

        double maxScore = 0;
        ISynset best = null;
        String bestGloss = null;
        for (ISynset candidate : ties) {
          String wnExtendedGloss = WordNetUtils.getGlossWithoutExamples(candidate);
          double score = simFunc.compare(gloss, wnExtendedGloss);
          if (maxScore < score) {
            maxScore = score;
            best = candidate;
            bestGloss = wnExtendedGloss;
          }
        }

        CrownOperations.Reason r = new CrownOperations.Reason(getClass());
        r.set("relation_type", "synonym");
        r.set("heuristic", "tied-synonyms");
        r.set("max_score", maxScore);
        return new Duple<CrownOperations.Reason, ISynset>(r, best);
      }
    }
  }
  public static void main(String[] args) throws Exception {
    System.out.println(
        "Checking that all known MBeans that are "
            + "NotificationBroadcasters have sane "
            + "MBeanInfo.getNotifications()");

    System.out.println("Checking platform MBeans...");
    checkPlatformMBeans();

    URL codeBase = ClassLoader.getSystemResource("javax/management/MBeanServer.class");
    if (codeBase == null) {
      throw new Exception("Could not determine codeBase for " + MBeanServer.class);
    }

    System.out.println();
    System.out.println("Looking for standard MBeans...");
    String[] classes = findStandardMBeans(codeBase);

    System.out.println("Testing standard MBeans...");
    for (int i = 0; i < classes.length; i++) {
      String name = classes[i];
      Class<?> c;
      try {
        c = Class.forName(name);
      } catch (Throwable e) {
        System.out.println(name + ": cannot load (not public?): " + e);
        continue;
      }
      if (!NotificationBroadcaster.class.isAssignableFrom(c)) {
        System.out.println(name + ": not a NotificationBroadcaster");
        continue;
      }
      if (Modifier.isAbstract(c.getModifiers())) {
        System.out.println(name + ": abstract class");
        continue;
      }

      NotificationBroadcaster mbean;
      Constructor<?> constr;
      try {
        constr = c.getConstructor();
      } catch (Exception e) {
        System.out.println(name + ": no public no-arg constructor: " + e);
        continue;
      }
      try {
        mbean = (NotificationBroadcaster) constr.newInstance();
      } catch (Exception e) {
        System.out.println(name + ": no-arg constructor failed: " + e);
        continue;
      }

      check(mbean);
    }

    System.out.println();
    System.out.println("Testing some explicit cases...");

    check(new RelationService(false));
    /*
      We can't do this:
        check(new RequiredModelMBean());
      because the Model MBean spec more or less forces us to use the
      names GENERIC and ATTRIBUTE_CHANGE for its standard notifs.
    */
    checkRMIConnectorServer();

    System.out.println();
    if (!suspicious.isEmpty()) System.out.println("SUSPICIOUS CLASSES: " + suspicious);

    if (failed.isEmpty()) System.out.println("TEST PASSED");
    else {
      System.out.println("TEST FAILED: " + failed);
      System.exit(1);
    }
  }
Ejemplo n.º 5
0
  /** returns a list of rdpserversockets */
  Set<DatagramChannel> getActiveChannels() throws InterruptedException, java.io.IOException {
    lock.lock();
    try {
      while (channelMap.isEmpty()) {
        channelMapNotEmpty.await();
      }
    } finally {
      lock.unlock();
    }

    Set<SelectionKey> readyKeys = null;
    do {
      lock.lock();
      try {
        if (!newChannelSet.isEmpty()) {
          if (Log.loggingNet) Log.net("RDPServer.getActiveChannels: newChannelSet is not null");
          Iterator<DatagramChannel> iter = newChannelSet.iterator();
          while (iter.hasNext()) {
            DatagramChannel newDC = iter.next();
            iter.remove();
            newDC.register(selector, SelectionKey.OP_READ);
          }
        }
      } finally {
        lock.unlock();
      }
      int numReady = selector.select(); // this is a blocking call - thread safe
      selectCalls++;
      if (numReady == 0) {
        if (Log.loggingNet) Log.net("RDPServer.getActiveChannels: selector returned 0");
        continue;
      }
      readyKeys = selector.selectedKeys();
      if (Log.loggingNet)
        Log.net(
            "RDPServer.getActiveChannels: called select - # of ready keys = "
                + readyKeys.size()
                + " == "
                + numReady);
    } while (readyKeys == null || readyKeys.isEmpty());

    lock.lock();
    try {
      // get a datagramchannel that is ready
      Set<DatagramChannel> activeChannels = new HashSet<DatagramChannel>();

      Iterator<SelectionKey> iter = readyKeys.iterator();
      while (iter.hasNext()) {
        SelectionKey key = iter.next();
        if (Log.loggingNet)
          Log.net(
              "RDPServer.getActiveChannels: matched selectionkey: "
                  + key
                  + ", isAcceptable="
                  + key.isAcceptable()
                  + ", isReadable="
                  + key.isReadable()
                  + ", isValid="
                  + key.isValid()
                  + ", isWritable="
                  + key.isWritable());
        iter.remove(); // remove from the selected key list

        if (!key.isReadable() || !key.isValid()) {
          Log.error(
              "RDPServer.getActiveChannels: Throwing exception: RDPServer: not readable or invalid");
          throw new MVRuntimeException("RDPServer: not readable or invalid");
        }

        DatagramChannel dc = (DatagramChannel) key.channel();
        activeChannels.add(dc);
      }
      if (Log.loggingNet)
        Log.net(
            "RDPServer.getActiveChannels: returning " + activeChannels.size() + " active channels");
      return activeChannels;
    } finally {
      lock.unlock();
    }
  }