@Override
public void start() {
try {
// open the data file
String location = configuration.location();
if (location == null || location.trim().length() == 0)
location = "Infinispan-SingleFileStore";
file = new File(location, ctx.getCache().getName() + ".dat");
if (!file.exists()) {
File dir = file.getParentFile();
if (!dir.mkdirs() && !dir.exists()) {
throw log.directoryCannotBeCreated(dir.getAbsolutePath());
}
}
channel = new RandomAccessFile(file, "rw").getChannel();
// initialize data structures
entries = newEntryMap();
freeList = Collections.synchronizedSortedSet(new TreeSet<FileEntry>());
// check file format and read persistent state if enabled for the cache
byte[] header = new byte[MAGIC.length];
if (channel.read(ByteBuffer.wrap(header), 0) == MAGIC.length
&& Arrays.equals(MAGIC, header)) {
rebuildIndex();
processFreeEntries();
} else clear(); // otherwise (unknown file format or no preload) just reset the file
// Initialize the fragmentation factor
fragmentationFactor = configuration.fragmentationFactor();
} catch (Exception e) {
throw new PersistenceException(e);
}
}
public void run() throws IOException, InterruptedException {
new NativeLibraryLoader().load(".");
CompareToReference2 c2r = new CompareToReference2();
c2r.init8bit(reference);
include = new BufferedWriter(new FileWriter(in, false));
exclude = new BufferedWriter(new FileWriter(out, false));
for (String chr : c2r.getChromosomes()) {
includeRegions =
Collections.synchronizedSortedSet(new TreeSet<Feature>(new RegionComparator()));
excludeRegions =
Collections.synchronizedSortedSet(new TreeSet<Feature>(new RegionComparator()));
int i = 0;
int chromosomeLength = c2r.getReferenceLength(chr);
while (i < chromosomeLength - ReAligner.MAX_REGION_LENGTH) {
int regionStart = i;
int regionStop = i + ReAligner.MAX_REGION_LENGTH;
int start = Math.max(regionStart - readLength, 0);
int stop = Math.min(regionStop + readLength, chromosomeLength - 1);
String regionBases = c2r.getSequence(chr, start + 1, stop - start);
Feature region = new Feature(chr, regionStart, regionStop);
// TODO: Handle other ambiguous bases
if (!regionBases.contains("N")) {
threadManager.spawnThread(new EvalRunnable(threadManager, this, region, regionBases));
} else {
excludeRegions.add(region);
}
i += ReAligner.REGION_OVERLAP;
}
threadManager.waitForAllThreadsToComplete();
// TODO: Because assembly regions are overlapped, there is overlap between final
// include/exclude output
outputRegions(include, includeRegions);
outputRegions(exclude, excludeRegions);
}
include.close();
exclude.close();
System.out.println("Done.");
}
/** Key report. */
public static class KeyReport {
/** Used keys. */
private final List<String> usedKeys = new ArrayList<String>();
/** Defined keys. */
private final Set<String> dfndKeys = Collections.synchronizedSortedSet(new TreeSet<String>());
/** @return Defined keys. */
public Set<String> getDefinedKeys() {
return dfndKeys;
}
/**
* Get used keys.
*
* @return Used keys.
*/
public List<String> getUsedKeys() {
return usedKeys;
}
}
/**
* Create a Verse from a human readable string. The opposite of toString(), Given any
* DistinctPassage v1, and the following <code>
* DistinctPassage v2 = new DistinctPassage(v1.toString());</code> Then <code>v1.equals(v2);
* </code> Theoretically, since there are many ways of representing a DistinctPassage as text
* string comparision along the lines of: <code>v1.toString().equals(v2.toString())</code> could
* be false. Practically since toString() is standardized this will be true however. We don't need
* to worry about thread safety in a ctor since we don't exist yet.
*
* @param refs A String containing the text of the DistinctPassage
* @throws NoSuchVerseException If the string is not valid
*/
protected DistinctPassage(String refs) throws NoSuchVerseException {
super(refs);
store = Collections.synchronizedSortedSet(new TreeSet());
addVerses(refs);
}
/** - (void) beginReplicating in CBL_Replicator.m */
@Override
@InterfaceAudience.Private
public void beginReplicating() {
// If we're still waiting to create the remote db, do nothing now. (This method will be
// re-invoked after that request finishes; see -maybeCreateRemoteDB above.)
Log.d(Log.TAG_SYNC, "%s: beginReplicating() called", this);
// If we're still waiting to create the remote db, do nothing now. (This method will be
// re-invoked after that request finishes; see maybeCreateRemoteDB() above.)
if (creatingTarget) {
Log.d(Log.TAG_SYNC, "%s: creatingTarget == true, doing nothing", this);
return;
}
pendingSequences = Collections.synchronizedSortedSet(new TreeSet<Long>());
try {
maxPendingSequence = Long.parseLong(lastSequence);
} catch (NumberFormatException e) {
Log.w(Log.TAG_SYNC, "Error converting lastSequence: %s to long. Using 0", lastSequence);
maxPendingSequence = new Long(0);
}
filter = compilePushReplicationFilter();
if (filterName != null && filter == null) {
Log.w(
Log.TAG_SYNC,
"%s: No ReplicationFilter registered for filter '%s'; ignoring",
this,
filterName);
}
// Process existing changes since the last push:
long lastSequenceLong = 0;
if (lastSequence != null) {
lastSequenceLong = Long.parseLong(lastSequence);
}
ChangesOptions options = new ChangesOptions();
options.setIncludeConflicts(true);
Log.d(Log.TAG_SYNC, "%s: Getting changes since %s", this, lastSequence);
RevisionList changes = db.changesSince(lastSequenceLong, options, filter, filterParams);
if (changes.size() > 0) {
Log.d(Log.TAG_SYNC, "%s: Queuing %d changes since %s", this, changes.size(), lastSequence);
int remaining = changes.size();
int size = batcher.getCapacity();
int start = 0;
while (remaining > 0) {
if (size > remaining) size = remaining;
RevisionList subChanges = new RevisionList(changes.subList(start, start + size));
batcher.queueObjects(subChanges);
start += size;
remaining -= size;
pauseOrResume();
waitIfPaused();
}
} else {
Log.d(Log.TAG_SYNC, "%s: No changes since %s", this, lastSequence);
}
// Now listen for future changes (in continuous mode):
if (isContinuous()) {
observing = true;
db.addChangeListener(this);
}
}
public static void main(String[] args) {
try {
final Options options = new Options();
{
final Option d = new Option("d", "directory", true, "target directory");
d.setArgName("directory");
d.setArgs(1);
d.setRequired(true);
options.addOption(d);
}
{
final Option ad = new Option("ad", "another-directory", true, "another target directory");
ad.setArgName("another-directory");
ad.setArgs(1);
ad.setRequired(false);
options.addOption(ad);
}
{
final Option o = new Option("o", "output", true, "output file");
o.setArgName("file");
o.setArgs(1);
o.setRequired(true);
options.addOption(o);
}
{
final Option s = new Option("s", "size", true, "size");
s.setArgName("size");
s.setArgs(1);
s.setRequired(true);
options.addOption(s);
}
{
final Option t = new Option("t", "thread", true, "number of threads");
t.setArgName("thread");
t.setArgs(1);
t.setRequired(false);
options.addOption(t);
}
{
final Option cross =
new Option(
"cross", "cross-project-only", true, "whether to detect cross project clones only");
cross.setArgName("on or off");
cross.setRequired(false);
options.addOption(cross);
}
{
final Option lowmem =
new Option("lowmem", "low-memory-mode", true, "whether to run on the low memory mode");
lowmem.setArgName("on or off");
lowmem.setRequired(false);
options.addOption(lowmem);
}
{
final Option v = new Option("v", "verbose", true, "verbose output");
v.setArgName("on or off");
v.setRequired(false);
options.addOption(v);
}
{
final Option C = new Option("C", "control", true, "use of control dependency");
C.setArgName("on or off");
C.setArgs(1);
C.setRequired(false);
options.addOption(C);
}
{
final Option D = new Option("D", "data", true, "use of data dependency");
D.setArgName("on or off");
D.setArgs(1);
D.setRequired(false);
options.addOption(D);
}
{
final Option E = new Option("E", "execution", true, "use of execution dependency");
E.setArgName("on or off");
E.setArgs(1);
E.setRequired(false);
options.addOption(E);
}
{
final Option M = new Option("M", "merging", true, "merging consecutive similar nodes");
M.setArgName("on or off");
M.setArgs(1);
M.setRequired(false);
options.addOption(M);
}
final CommandLineParser parser = new PosixParser();
final CommandLine cmd = parser.parse(options, args);
final File target = new File(cmd.getOptionValue("d"));
if (!target.exists()) {
System.err.println("specified directory or file does not exist.");
System.exit(0);
}
final String output = cmd.getOptionValue("o");
final int SIZE_THRESHOLD = Integer.parseInt(cmd.getOptionValue("s"));
final int NUMBER_OF_THREADS =
cmd.hasOption("t") ? Integer.parseInt(cmd.getOptionValue("t")) : 1;
boolean useOfControl = !cmd.hasOption("C");
if (!useOfControl) {
if (cmd.getOptionValue("C").equals("on")) {
useOfControl = true;
} else if (cmd.getOptionValue("C").equals("off")) {
useOfControl = false;
} else {
System.err.println("option of \"-C\" must be \"on\" or \"off\".");
}
}
boolean useOfData = !cmd.hasOption("D");
if (!useOfData) {
if (cmd.getOptionValue("D").equals("on")) {
useOfData = true;
} else if (cmd.getOptionValue("D").equals("off")) {
useOfData = false;
} else {
System.err.println("option of \"-D\" must be \"on\" or \"off\".");
}
}
boolean useOfExecution = !cmd.hasOption("E");
if (!useOfExecution) {
if (cmd.getOptionValue("E").equals("on")) {
useOfExecution = true;
} else if (cmd.getOptionValue("E").equals("off")) {
useOfExecution = false;
} else {
System.err.println("option of \"-E\" must be \"on\" or \"off\".");
}
}
boolean useOfMerging = !cmd.hasOption("M");
if (!useOfMerging) {
if (cmd.getOptionValue("M").equals("on")) {
useOfMerging = true;
} else if (cmd.getOptionValue("M").equals("off")) {
useOfMerging = false;
} else {
System.err.println("option of \"-M\" must be \"on\" or \"off\".");
}
}
if (!useOfExecution && useOfMerging) {
useOfMerging = false;
}
boolean crossProjectOnly = false;
if (cmd.hasOption("cross")) {
if (cmd.getOptionValue("cross").equals("on")) {
crossProjectOnly = true;
} else if (cmd.getOptionValue("cross").equals("off")) {
crossProjectOnly = false;
} else {
System.err.println("option of \"-cross\" must be \"on\" or \"off\".");
}
}
boolean lowMemoryMode = false;
if (cmd.hasOption("lowmem")) {
if (cmd.getOptionValue("lowmem").equals("on")) {
lowMemoryMode = true;
} else if (cmd.getOptionValue("lowmem").equals("off")) {
lowMemoryMode = false;
} else {
System.err.println("option of \"-lowmem\" must be \"on\" or \"off\".");
}
}
// default verbose level is "off"
if (cmd.hasOption("v")) {
if (cmd.getOptionValue("v").equals("on")) {
Message.setVerbose(true);
} else if (cmd.getOptionValue("v").equals("off")) {
Message.setVerbose(false);
} else {
System.err.println("option of \"-v\" must be \"on\" or \"off\".");
}
}
File anotherTarget = null;
if (cmd.hasOption("ad")) {
anotherTarget = new File(cmd.getOptionValue("ad"));
if (!anotherTarget.exists()) {
System.err.println("specified directory or file does not exist.");
System.exit(0);
}
}
if (crossProjectOnly && anotherTarget == null) {
System.err.println(
"detecting cross project only is ON, but no second directory or file has been specified");
System.exit(0);
}
final long time1 = System.nanoTime();
System.out.print("generating PDGs ... ");
Message.log("");
final PDG[] pdgArray;
{
final List<File> files = getFiles(target);
if (anotherTarget != null) {
files.addAll(getFiles(anotherTarget));
}
int count = 0;
final int numOfFiles = files.size();
final List<MethodInfo> methods = new ArrayList<MethodInfo>();
for (final File file : files) {
Message.log(
"\t["
+ (++count)
+ "/"
+ numOfFiles
+ "] building an AST for "
+ file.getAbsolutePath());
final CompilationUnit unit = TinyPDGASTVisitor.createAST(file);
final ASTVisitor visitor;
if (lowMemoryMode) {
visitor = new OffsetBasedTinyPDGASTVisitor(file.getAbsolutePath(), unit, methods);
} else {
visitor = new TinyPDGASTVisitor(file.getAbsolutePath(), unit, methods);
}
unit.accept(visitor);
}
long memoryElapsed = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
System.out.println("MEMORY: " + (memoryElapsed / 1024));
final SortedSet<PDG> pdgs = Collections.synchronizedSortedSet(new TreeSet<PDG>());
final CFGNodeFactory cfgNodeFactory = new CFGNodeFactory();
final PDGNodeFactory pdgNodeFactory = new PDGNodeFactory();
final Thread[] pdgGenerationThreads = new Thread[NUMBER_OF_THREADS];
for (int i = 0; i < pdgGenerationThreads.length; i++) {
pdgGenerationThreads[i] =
new Thread(
new PDGGenerationThread(
methods,
pdgs,
cfgNodeFactory,
pdgNodeFactory,
useOfControl,
useOfData,
useOfExecution,
useOfMerging,
SIZE_THRESHOLD));
pdgGenerationThreads[i].start();
}
for (final Thread thread : pdgGenerationThreads) {
try {
thread.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
pdgArray = pdgs.toArray(new PDG[0]);
}
System.out.print("done: ");
final long time2 = System.nanoTime();
printTime(time2 - time1);
System.out.print("calculating hash values ... ");
Message.log("");
final SortedMap<PDG, SortedMap<PDGNode<?>, Integer>> mappingPDGToPDGNodes =
Collections.synchronizedSortedMap(new TreeMap<PDG, SortedMap<PDGNode<?>, Integer>>());
final SortedMap<PDG, SortedMap<PDGEdge, Integer>> mappingPDGToPDGEdges =
Collections.synchronizedSortedMap(new TreeMap<PDG, SortedMap<PDGEdge, Integer>>());
{
final Thread[] hashCalculationThreads = new Thread[NUMBER_OF_THREADS];
for (int i = 0; i < hashCalculationThreads.length; i++) {
hashCalculationThreads[i] =
new Thread(
new HashCalculationThread(pdgArray, mappingPDGToPDGNodes, mappingPDGToPDGEdges));
hashCalculationThreads[i].start();
}
for (final Thread thread : hashCalculationThreads) {
try {
thread.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
System.out.print("done: ");
final long time3 = System.nanoTime();
printTime(time3 - time2);
System.out.print("detecting clone pairs ... ");
Message.log("");
final SortedSet<ClonePairInfo> clonepairs =
Collections.synchronizedSortedSet(new TreeSet<ClonePairInfo>());
{
int numIgnored = 0;
final List<PDGPairInfo> pdgpairs = new ArrayList<PDGPairInfo>();
Message.log("\tmaking PDG pairs ... ");
for (int i = 0; i < pdgArray.length; i++) {
for (int j = i + 1; j < pdgArray.length; j++) {
final PDG pdg1 = pdgArray[i];
final PDG pdg2 = pdgArray[j];
if (!crossProjectOnly || isCrossProject(pdg1, pdg2, target, anotherTarget)) {
pdgpairs.add(new PDGPairInfo(pdgArray[i], pdgArray[j]));
} else {
// Message.log("\t\tignore the PDG pair \"" +
// pdg1.unit.name + " in "
// + pdg1.unit.path + "\" and \""
// + pdg2.unit.name + " in " + pdg2.unit.path
// + "\"");
numIgnored++;
}
}
}
Message.log("\tdone: the number of ignored PDG pairs is " + numIgnored);
final PDGPairInfo[] pdgpairArray = pdgpairs.toArray(new PDGPairInfo[0]);
final Thread[] slicingThreads = new Thread[NUMBER_OF_THREADS];
for (int i = 0; i < slicingThreads.length; i++) {
slicingThreads[i] =
new Thread(
new SlicingThread(
pdgpairArray,
pdgArray,
mappingPDGToPDGNodes,
mappingPDGToPDGEdges,
clonepairs,
SIZE_THRESHOLD,
crossProjectOnly));
slicingThreads[i].start();
}
for (final Thread thread : slicingThreads) {
try {
thread.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
System.out.print("done: ");
final long time4 = System.nanoTime();
printTime(time4 - time3);
System.out.print("writing to a file ... ");
final Writer writer = new BellonWriter(output, clonepairs);
writer.write();
System.out.print("done: ");
final long time5 = System.nanoTime();
printTime(time5 - time4);
System.out.print("total elapsed time: ");
printTime(time5 - time1);
System.out.print("number of comparisons: ");
printNumberOfComparison(Slicing.getNumberOfComparison());
} catch (Exception e) {
System.err.println(e.getMessage());
System.exit(0);
}
}
/** @author Kasper Nielsen */
public class OldContinuesReconnectTest extends AbstractClientConnectionTest {
static final int NUMBER_OF_MESSAGES = 100;
final SortedSet<Integer> received = Collections.synchronizedSortedSet(new TreeSet<>());
@Test
public void test() throws Exception {
MmsClient c = createAndConnect();
new Thread(
() -> {
while (received.size() < NUMBER_OF_MESSAGES) {
rndSleep(300, TimeUnit.MILLISECONDS);
t.closeIt();
}
})
.start();
final AtomicInteger ack = new AtomicInteger();
Runnable server =
new Runnable() {
public void run() {
int latestId = 0;
Integer ackIt = null;
while (received.size() < NUMBER_OF_MESSAGES) {
Message tm = t.take(Message.class);
if (tm instanceof Broadcast) {
Broadcast bs = (Broadcast) tm;
try {
BroadcastTestMessage hw = (BroadcastTestMessage) MmsMessage.tryRead(bs);
int id = hw.getId();
assertEquals(latestId++, id);
received.add(id);
} catch (Exception e) {
e.printStackTrace();
}
ackIt = null;
} else {
if (ackIt == null) {
ackIt = ThreadLocalRandom.current().nextInt(ack.get(), latestId + 1);
}
ack.set(ackIt);
latestId = ackIt;
t.send(new Connected().setSessionId(BIN1).setLastReceivedMessageId((long) ackIt));
}
}
}
};
Thread t = new Thread(server);
t.setUncaughtExceptionHandler((a, b) -> b.printStackTrace());
t.start();
for (int i = 0; i < NUMBER_OF_MESSAGES; i++) {
Thread.sleep(ThreadLocalRandom.current().nextLong(10));
c.broadcast(new BroadcastTestMessage().setId(i));
}
while (received.size() < NUMBER_OF_MESSAGES) {
Thread.sleep(10);
}
}
}
/**
* @author czarek @TODO ta klasa powinna byc singletonem @TODO Wybrac waska grupe akceptowanych
* szyfrowan w polaczeniach
*/
public class Server {
SortedSet<PeerLoginInfo> loginInfo =
Collections.synchronizedSortedSet(new TreeSet<PeerLoginInfo>());
SortedMap<String, PeerInfo> peersInfo =
Collections.synchronizedSortedMap(new TreeMap<String, PeerInfo>());
private FileInputStream is;
private KeyStore keystore;
private KeyManagerFactory kmf;
private SSLContext sc;
private SSLServerSocketFactory ssf;
private SSLServerSocket ss;
PrivateKey caPrivKey;
int listeningPort;
public enum STATE {
CONNECTING,
IDLE,
CONNECTED,
LOGGEDIN,
DONE,
LOGGING
}
public Server(String keystoreLoc, char[] kestorePass) {
try {
is = new FileInputStream(keystoreLoc);
this.keystore = KeyStore.getInstance(KeyStore.getDefaultType());
keystore.load(is, "123456".toCharArray());
kmf = KeyManagerFactory.getInstance("SunX509", "SunJSSE");
kmf.init(keystore, ("123456").toCharArray());
sc = SSLContext.getInstance("SSL");
sc.init(kmf.getKeyManagers(), null, null);
ssf = sc.getServerSocketFactory();
readServerInfo("./res/server/ServerInfo.dat");
ss = (SSLServerSocket) ssf.createServerSocket(listeningPort);
caPrivKey = (PrivateKey) keystore.getKey("serverTrustedCert", "123456".toCharArray());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.exit(1);
}
}
public static void main(String[] args) throws Exception {
Server server = new Server("./res/server/key/serverKeys", "123456".toCharArray());
// System.out.println(server.sc.getProvider());
// System.out.println(server.ss.getEnabledCipherSuites());
for (int i = 0; i < server.ss.getEnabledCipherSuites().length; i++) {
System.out.println(server.ss.getEnabledCipherSuites()[i]);
}
/** Zrob z tego w¹tek */
while (true) {
// new Server(ss.accept()).start();
try {
System.out.println("serwer czeka");
new S2PConnection(server.ss.accept(), server);
} catch (Exception e1) {
e1.printStackTrace();
}
}
}
/** Metoda zaczytujaca z pliku loginy i skroty hasel @TODO dodac sol do hasel */
private void readServerInfo(String serverInfo) {
try {
System.out.println("readLoginInfo");
FileReader fr = new FileReader(serverInfo);
BufferedReader br = new BufferedReader(fr);
StringTokenizer st; // = new StringTokenizer();
String line;
boolean timeTobreak = false;
while (!timeTobreak) {
line = br.readLine();
if (!(line.startsWith("#"))) {
this.listeningPort = Integer.valueOf(line);
timeTobreak = true;
}
}
while ((line = br.readLine()) != null) {
if (!(line.startsWith("#"))) {
st = new StringTokenizer(line);
if ((st.countTokens()) != 2) throw new Exception("Ivalid peerLoginInfo.dat file");
loginInfo.add(new PeerLoginInfo(st.nextToken(), st.nextToken(), true));
}
}
System.out.println("[Server.readLoginInfo()] " + loginInfo);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
/**
* Sprawdza, czy dane od peera zgadzaja sie z tymi z pliku
*
* @param PeerLoginInfo pli
* @return wynik weryfikacji
*/
boolean verifyPeer(PeerLoginInfo pli) {
PeerLoginInfo pliAtServer = loginInfo.tailSet(pli).first();
if (pliAtServer != null && (pliAtServer.getPasswdHash()).equals(pli.getPasswdHash()))
return true;
else return false;
}
/**
* Generowanie certyfikatu x509
*
* @param certInfo informacje ktore maja znalezc sie w certyfikacie
* @return
* @throws InvalidKeyException
* @throws NoSuchProviderException
* @throws SignatureException
* @throws CertificateEncodingException
* @throws IllegalStateException
* @throws NoSuchAlgorithmException
*/
public common.Pair<X509Certificate, KeyPair> generateV3Certificate(X500Principal certInfo)
throws InvalidKeyException, NoSuchProviderException, SignatureException,
CertificateEncodingException, IllegalStateException, NoSuchAlgorithmException,
KeyStoreException {
KeyPairGenerator keyGen;
keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(1024);
KeyPair keyPair = keyGen.generateKeyPair();
Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
certGen.setIssuerDN(
((X509Certificate) this.keystore.getCertificate("servertrustedcert"))
.getSubjectX500Principal());
certGen.setNotBefore(new Date(System.currentTimeMillis() - 7 * 24 * 3600 * 1000));
certGen.setNotAfter(new Date(System.currentTimeMillis() + 7 * 24 * 3600 * 1000));
certGen.setSubjectDN(certInfo);
certGen.setPublicKey(keyPair.getPublic());
certGen.setSignatureAlgorithm("SHA1withDSA");
// return new Pair(certGen.generate(this.caPrivKey), keyPair);
return new common.Pair<X509Certificate, KeyPair>(certGen.generate(this.caPrivKey), keyPair);
}
}
private MemoryTaskStore() {
taskMap = new ConcurrentHashMap<>(1000);
triggerMap = new ConcurrentHashMap<>();
timeTriggers = Collections.synchronizedSortedSet(new TreeSet<>(new TreeNodeComparator()));
}