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);
}
}
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);
}
}
/** 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();
}
}
