private static void unloadPlugin(String name) {
loadedPlugins.get(name).unload();
loadedPlugins.remove(name);
System.gc();
System.gc();
System.gc();
}
synchronized void openBookInternal(Book book, Bookmark bookmark) {
if (book == null) {
book = Library.Instance().getRecentBook();
if (book == null || !book.File.exists()) {
book = Book.getByFile(Library.getHelpFile());
}
if (book == null) {
return;
}
}
if (Model != null) {
if (bookmark == null & book.File.getPath().equals(Model.Book.File.getPath())) {
return;
}
}
if (book != null) {
onViewChanged();
if (Model != null) {
Model.Book.storePosition(BookTextView.getStartCursor());
}
BookTextView.setModel(null);
FootnoteView.setModel(null);
clearTextCaches();
Model = null;
System.gc();
System.gc();
try {
Model = BookModel.createModel(book);
ZLTextHyphenator.Instance().load(book.getLanguage());
BookTextView.setModel(Model.getTextModel());
BookTextView.gotoPosition(book.getStoredPosition());
if (bookmark == null) {
setView(BookTextView);
} else {
gotoBookmark(bookmark);
}
Library.Instance().addBookToRecentList(book);
final StringBuilder title = new StringBuilder(book.getTitle());
if (!book.authors().isEmpty()) {
boolean first = true;
for (Author a : book.authors()) {
title.append(first ? " (" : ", ");
title.append(a.DisplayName);
first = false;
}
title.append(")");
}
setTitle(title.toString());
} catch (BookReadingException e) {
processException(e);
}
}
getViewWidget().reset();
getViewWidget().repaint();
}
@Override
protected Product doInBackground(com.bc.ceres.core.ProgressMonitor pm) throws Exception {
final TargetProductSelectorModel model = getTargetProductSelector().getModel();
pm.beginTask("Writing...", model.isOpenInAppSelected() ? 100 : 95);
ProgressMonitorList.instance().add(pm); // NESTMOD
saveTime = 0L;
Product product = null;
try {
// free cache // NESTMOD
JAI.getDefaultInstance().getTileCache().flush();
System.gc();
executeStartTime = Calendar.getInstance().getTime();
long t0 = System.currentTimeMillis();
Operator operator = null;
if (targetProduct.getProductReader() instanceof OperatorProductReader) {
final OperatorProductReader opReader =
(OperatorProductReader) targetProduct.getProductReader();
if (opReader.getOperatorContext().getOperator() instanceof Output) {
operator = opReader.getOperatorContext().getOperator();
}
}
if (operator == null) {
WriteOp writeOp =
new WriteOp(targetProduct, model.getProductFile(), model.getFormatName());
writeOp.setDeleteOutputOnFailure(true);
writeOp.setWriteEntireTileRows(true);
writeOp.setClearCacheAfterRowWrite(false);
operator = writeOp;
}
final OperatorExecutor executor = OperatorExecutor.create(operator);
executor.execute(SubProgressMonitor.create(pm, 95));
saveTime = System.currentTimeMillis() - t0;
File targetFile = model.getProductFile();
if (model.isOpenInAppSelected() && targetFile.exists()) {
product = ProductIO.readProduct(targetFile);
if (product == null) {
product = targetProduct; // todo - check - this cannot be ok!!! (nf)
}
pm.worked(5);
}
} finally {
// free cache
JAI.getDefaultInstance().getTileCache().flush();
System.gc();
pm.done();
ProgressMonitorList.instance().remove(pm); // NESTMOD
if (product != targetProduct) {
targetProduct.dispose();
}
}
return product;
}
static void compare(Charset cs1, Charset cs2, char[] cc) throws Exception {
System.gc(); // enqueue finalizable objects
Thread.sleep(1000);
System.gc(); // enqueue finalizable objects
String csn1 = cs1.name();
String csn2 = cs2.name();
System.out.printf("Diff <%s> <%s>...%n", csn1, csn2);
Time t1 = new Time();
Time t2 = new Time();
byte[] bb1 = encode(cc, cs1, false, t1);
byte[] bb2 = encode(cc, cs2, false, t2);
System.out.printf(
" Encoding TimeRatio %s/%s: %d,%d :%f%n",
csn2, csn1, t2.t, t1.t, (double) (t2.t) / (t1.t));
if (!Arrays.equals(bb1, bb2)) {
System.out.printf(" encoding failed%n");
}
char[] cc2 = decode(bb1, cs2, false, t2);
char[] cc1 = decode(bb1, cs1, false, t1);
System.out.printf(
" Decoding TimeRatio %s/%s: %d,%d :%f%n",
csn2, csn1, t2.t, t1.t, (double) (t2.t) / (t1.t));
if (!Arrays.equals(cc1, cc2)) {
System.out.printf(" decoding failed%n");
}
bb1 = encode(cc, cs1, true, t1);
bb2 = encode(cc, cs2, true, t2);
System.out.printf(
" Encoding(dir) TimeRatio %s/%s: %d,%d :%f%n",
csn2, csn1, t2.t, t1.t, (double) (t2.t) / (t1.t));
if (!Arrays.equals(bb1, bb2)) System.out.printf(" encoding (direct) failed%n");
cc1 = decode(bb1, cs1, true, t1);
cc2 = decode(bb1, cs2, true, t2);
System.out.printf(
" Decoding(dir) TimeRatio %s/%s: %d,%d :%f%n",
csn2, csn1, t2.t, t1.t, (double) (t2.t) / (t1.t));
if (!Arrays.equals(cc1, cc2)) {
System.out.printf(" decoding (direct) failed%n");
}
}
/** @brief Check if it's time to save the auctions out yet. */
private void checkSnapshot() {
if ((mLastCheckpointed + mCheckpointFrequency) < System.currentTimeMillis()) {
mLastCheckpointed = System.currentTimeMillis();
saveAuctions();
System.gc();
}
}
/**
* This method is the main function of the thread of the collective. It does housekeeping and
* regularly talks to peers to exchange information. It can be stopped by calling <code>close()
* </code>.
*
* @see #close()
*/
public final void run() {
while (shouldLive) {
// try{
System.gc();
removeOldStuff();
if (!refresh()) {
Address[] a = observer.getPeerAddresses();
if (a != null)
synchronized (cache) {
for (int i = 0; i < a.length; ++i)
cache.put(a[i].name, new ContributionBox(a[i], null));
}
}
for (int i = 0; i < REFRESHRATE; i += 1000) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
shouldLive = false;
}
if (shouldLive == false) break;
Thread.yield();
}
/*}
catch( RuntimeException e )
{
Logger.error( "Collective#run()",
"Runtime exception caught, something is going wrong",e);
}*/
}
cache = null;
observer = null;
}
/** Disposes of image memory and associated objects. */
public void disposeLocal() {
m_aafBox = null;
m_aafM = null;
m_afShear = null;
m_afOffset = null;
m_afA = null;
m_afB = null;
m_aiSliceBound = null;
m_aiBound = null;
m_aiSliceMin = null;
m_aiSliceMax = null;
m_aiClipMin = null;
m_aiClipMax = null;
m_aaaasEncode = null;
m_aaasVolumeEncode = null;
m_aasSliceEncode = null;
m_aaiIndex = null;
m_asSkip = null;
m_aiCurrentI = null;
m_aiInterC = null;
m_kP00 = null;
m_kP01 = null;
m_kP10 = null;
m_kP11 = null;
m_kPosition = null;
super.disposeLocal();
System.gc();
}
static void runBenchmark(
Client client,
int maxIter,
Results results,
List<Entry<String, RequestInfo>> nativeSearchRequests,
int minTerms,
int warmerIter)
throws IOException {
int counter = 0;
for (Entry<String, RequestInfo> entry : nativeSearchRequests) {
SearchResponse searchResponse = null;
// warm up
for (int i = 0; i < warmerIter; i++) {
searchResponse = client.search(entry.getValue().request).actionGet();
}
System.gc();
// run benchmark
StopWatch stopWatch = new StopWatch();
stopWatch.start();
for (int i = 0; i < maxIter; i++) {
searchResponse = client.search(entry.getValue().request).actionGet();
}
stopWatch.stop();
results.set(
searchResponse, stopWatch, entry.getKey(), maxIter, counter, entry.getValue().numTerms);
counter++;
}
results.printResults(null);
}
private void generateRules(ArrayList<Itemset> Lk, int clas) {
int i, uncover;
Itemset itemset;
double confidence[] = new double[2];
double var1[] = new double[2];
double var2[] = new double[2];
for (i = Lk.size() - 1; i >= 0; i--) {
itemset = Lk.get(i);
var2 = itemset.getSupport();
if (var2[0] > 0.0) {
var1 = itemset.getSupportClass();
confidence[0] = var1[0] / var2[0];
confidence[1] = var1[1] / var2[1];
} else {
confidence[0] = confidence[1] = 0.0;
}
if (confidence[0] > 0.4) {
this.ruleBaseClase.add(itemset);
ruleStage1++;
}
if (confidence[0] > this.minconf) Lk.remove(i);
}
if (this.ruleBaseClase.size() > 500000) {
this.ruleBaseClase.reduceRules(clas);
// System.out.println("Number of rules: " + this.ruleBase.size());
System.gc();
}
}
private void resolveClasspath() throws MojoExecutionException {
parsePatchArtifacts();
getLog()
.info(
"Resolving dependencies"
+ (useTransitives
? ""
: " - warning! we are not using transitive dependencies, only those directly in the pom.xml"));
resolvedArtifacts = collectAllProjectArtifacts();
/*
* Remove any Grails plugins that may be in the resolved artifact set. This is because we
* do not need them on the classpath, as they will be handled later on by a separate call to
* "install" them.
*/
pluginArtifacts = removePluginArtifacts(resolvedArtifacts);
pluginDirectories = new ArrayList<File>();
for (Artifact artifact : pluginArtifacts)
pluginDirectories.add(getPluginDirAndInstallIfNecessary(artifact));
if (getLog().isInfoEnabled()) {
for (File f : pluginDirectories) {
getLog().info("plugin: " + f.getAbsolutePath());
}
}
classpath = generateGrailsExecutionClasspath(resolvedArtifacts);
System.gc();
}
/** low-level test for critical performance issue described in bug [3078236] */
public void testExceptionChaining() throws SQLException {
for (boolean warn : new boolean[] {false, true}) {
long base = 0;
for (int size : new int[] {10, 25, 50, 100, 500}) {
SQLDiagnostic diag = new SQLDiagnostic(0);
System.gc();
long start = System.nanoTime();
for (int c = 0; c < size * 1000; c++) {
if (warn) {
diag.addWarning(new SQLWarning());
} else {
diag.addException(new SQLException());
}
}
long avg = (System.nanoTime() - start) / size; // nanoseconds per 1000 exceptions
// ensure time grows linear (allows factor 2 deviation, but not exponential effects)
assertTrue(
"chaining "
+ size * 1000
+ (warn ? " warnings" : " exceptions")
+ " slowed down too much ("
+ base / 1000000
+ " ms -> "
+ avg / 1000000
+ " ms per 1000)",
base == 0 || avg < base * 2);
base = base == 0 ? avg : base;
}
}
}
public void generateRB() {
int i, j, uncover;
ruleStage1 = 0;
this.ruleBaseClase =
new RuleBase(
this.dataBase,
this.train,
this.test,
this.ruleBase.getK(),
this.ruleBase.getTypeInference());
for (i = 0; i < this.nClasses; i++) {
this.minsup = minSupps[i];
this.generateL2(i);
this.generateLarge(this.L2, i);
this.ruleBaseClase.reduceRules(i);
this.ruleBase.add(this.ruleBaseClase);
this.ruleBaseClase.clear();
System.gc();
}
}
private void generateLarge(ArrayList<Itemset> Lk, int clas) {
int i, j, size;
ArrayList<Itemset> Lnew;
Itemset newItemset, itemseti, itemsetj;
size = Lk.size();
if (size > 1) {
if (((Lk.get(0)).size() < this.nVariables) && ((Lk.get(0)).size() < this.depth)) {
Lnew = new ArrayList<Itemset>();
for (i = 0; i < size - 1; i++) {
itemseti = Lk.get(i);
for (j = i + 1; j < size; j++) {
itemsetj = Lk.get(j);
if (this.isCombinable(itemseti, itemsetj)) {
newItemset = itemseti.clone();
newItemset.add((itemsetj.get(itemsetj.size() - 1)).clone());
newItemset.calculateSupports(this.dataBase, this.train);
if (newItemset.getSupportClass()[0] >= this.minsup) Lnew.add(newItemset);
}
}
this.generateRules(Lnew, clas);
this.generateLarge(Lnew, clas);
Lnew.clear();
System.gc();
}
}
}
}
/**
* Run the main GP run loop until the generation limit it met, or until the provided number of
* generations has elapsed.
*
* @param inGenerations The maximum number of generations to run during this call. This is
* distinct from the hard generation limit which determines when the GA is actually complete.
* @return true if the the execution of the GA is complete.
*/
public boolean Run(int inGenerations) throws Exception {
// inGenerations below must have !=, not >, since often inGenerations
// is called at -1
while (!Terminate() && inGenerations != 0) {
BeginGeneration();
Evaluate();
Reproduce();
EndGeneration();
Print(Report());
Checkpoint();
System.gc();
_currentPopulation = (_currentPopulation == 0 ? 1 : 0);
_generationCount++;
inGenerations--;
}
if (Terminate()) {
// Since this value was changed after termination conditions were
// set, revert back to previous state.
_currentPopulation = (_currentPopulation == 0 ? 1 : 0);
Print(FinalReport());
}
return (_generationCount < _maxGenerations);
}
public int clearDeleted() {
int rval = DeletedEntry.clear();
saveAuctions();
System.gc();
return rval;
}
/** Method declaration Adjust this method for large strings...ie multi megabtypes. */
void execute() {
String sCmd = null;
if (4096 <= ifHuge.length()) {
sCmd = ifHuge;
} else {
sCmd = txtCommand.getText();
}
if (sCmd.startsWith("-->>>TEST<<<--")) {
testPerformance();
return;
}
String g[] = new String[1];
lTime = System.currentTimeMillis();
try {
sStatement.execute(sCmd);
lTime = System.currentTimeMillis() - lTime;
int r = sStatement.getUpdateCount();
if (r == -1) {
formatResultSet(sStatement.getResultSet());
} else {
g[0] = "update count";
gResult.setHead(g);
g[0] = String.valueOf(r);
gResult.addRow(g);
}
addToRecent(txtCommand.getText());
} catch (SQLException e) {
lTime = System.currentTimeMillis() - lTime;
g[0] = "SQL Error";
gResult.setHead(g);
String s = e.getMessage();
s += " / Error Code: " + e.getErrorCode();
s += " / State: " + e.getSQLState();
g[0] = s;
gResult.addRow(g);
}
updateResult();
System.gc();
}
public static void assertTiming(
String message, long expected, int attempts, @NotNull Runnable actionToMeasure) {
while (true) {
attempts--;
long duration = measure(actionToMeasure);
try {
assertTiming(message, expected, duration);
break;
} catch (AssertionFailedError e) {
if (attempts == 0) throw e;
System.gc();
System.gc();
System.gc();
String s = "Another epic fail (remaining attempts: " + attempts + "): " + e.getMessage();
TeamCityLogger.warning(s, null);
System.err.println(s);
}
}
}
public static void main(String[] args) throws Exception {
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final Boolean isNotificationSupported =
AccessController.doPrivileged(
new PrivilegedAction<Boolean>() {
public Boolean run() {
try {
Class cl = Class.forName("sun.management.VMManagementImpl");
Field f = cl.getDeclaredField("gcNotificationSupport");
f.setAccessible(true);
return f.getBoolean(null);
} catch (ClassNotFoundException e) {
return false;
} catch (NoSuchFieldException e) {
return false;
} catch (IllegalAccessException e) {
return false;
}
}
});
if (!isNotificationSupported) {
System.out.println("GC Notification not supported by the JVM, test skipped");
return;
}
final ObjectName gcMXBeanPattern = new ObjectName("java.lang:type=GarbageCollector,*");
Set<ObjectName> names = mbs.queryNames(gcMXBeanPattern, null);
if (names.isEmpty()) throw new Exception("Test incorrect: no GC MXBeans");
number = names.size();
for (ObjectName n : names) {
if (mbs.isInstanceOf(n, "javax.management.NotificationEmitter")) {
listenerInvoked.put(n.getCanonicalName(), null);
GcListener listener = new GcListener();
mbs.addNotificationListener(n, listener, null, null);
}
}
// Invocation of System.gc() to trigger major GC
System.gc();
// Allocation of many short living and small objects to trigger minor GC
Object data[] = new Object[32];
for (int i = 0; i < 100000000; i++) {
data[i % 32] = new int[8];
}
int wakeup = 0;
synchronized (synchronizer) {
while (count != number) {
synchronizer.wait(10000);
wakeup++;
if (wakeup > 10) break;
}
}
for (GarbageCollectionNotificationInfo notif : listenerInvoked.values()) {
checkGarbageCollectionNotificationInfoContent(notif);
}
System.out.println("Test passed");
}
public static void main(String[] args) {
System.gc();
// Schedule a job for the event-dispatching thread:
// creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(
new Runnable() {
public void run() {
createAndShowGUI();
}
});
} // end of main
@Override
@Nullable
public Project newProject(
final String projectName,
@NotNull String filePath,
boolean useDefaultProjectSettings,
boolean isDummy) {
filePath = toCanonicalName(filePath);
//noinspection ConstantConditions
if (LOG_PROJECT_LEAKAGE_IN_TESTS && ApplicationManager.getApplication().isUnitTestMode()) {
for (int i = 0; i < 42; i++) {
if (myProjects.size() < MAX_LEAKY_PROJECTS) break;
System.gc();
TimeoutUtil.sleep(100);
System.gc();
}
if (myProjects.size() >= MAX_LEAKY_PROJECTS) {
List<Project> copy = new ArrayList<Project>(myProjects.keySet());
myProjects.clear();
throw new TooManyProjectLeakedException(copy);
}
}
ProjectImpl project =
createProject(
projectName, filePath, false, ApplicationManager.getApplication().isUnitTestMode());
try {
initProject(project, useDefaultProjectSettings ? (ProjectImpl) getDefaultProject() : null);
if (LOG_PROJECT_LEAKAGE_IN_TESTS) {
myProjects.put(project, null);
}
return project;
} catch (final Exception e) {
LOG.info(e);
Messages.showErrorDialog(message(e), ProjectBundle.message("project.load.default.error"));
}
return null;
}
@After
public void tearDown() throws InterruptedException {
for (final Closeable closeable : new Closeable[] {map1, map2}) {
try {
closeable.close();
} catch (Exception e) {
e.printStackTrace();
}
}
System.gc();
}
public double memoryUse(Environmental E, int number) {
double s = -1.0;
try {
int n = number;
Object[] objs = new Object[n];
Environmental cl = E;
Runtime rt = Runtime.getRuntime();
long m0 = rt.totalMemory() - rt.freeMemory();
System.gc();
Thread.sleep(500);
for (int i = 0; i < n; ++i) objs[i] = E = (Environmental) cl.copyOf();
System.gc();
Thread.sleep(1000);
long m1 = rt.totalMemory() - rt.freeMemory();
long dm = m1 - m0;
s = (double) dm / (double) n;
if (s < 0.0) return memoryUse(E, number);
} catch (Exception e) {
return -1;
}
return s;
}
// To be called exactly twice by the child process
public static void rendezvousChild() {
try {
for (int i = 0; i < 100; i++) {
System.gc();
System.runFinalization();
Thread.sleep(50);
}
System.out.write((byte) '\n');
System.out.flush();
System.in.read();
} catch (Throwable t) {
throw new Error(t);
}
}
public static void main(String[] args) {
int size = 1000;
// Or, choose size via the command line:
if (args.length > 0) size = new Integer(args[0]);
Key[] keys = new Key[size];
WeakHashMap<Key, Value> map = new WeakHashMap<Key, Value>();
for (int i = 0; i < size; i++) {
Key k = new Key(Integer.toString(i));
Value v = new Value(Integer.toString(i));
if (i % 3 == 0) keys[i] = k; // Save as "real" references
map.put(k, v);
}
System.gc();
}
private void shutDown() {
try {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
}
System.out.println("nulling reference");
sipStack.deleteListeningPoint(tcpListeningPoint);
sipStack.deleteListeningPoint(udpListeningPoint);
// This will close down the stack and exit all threads
tcpProvider.removeSipListener(this);
udpProvider.removeSipListener(this);
while (true) {
try {
sipStack.deleteSipProvider(udpProvider);
sipStack.deleteSipProvider(tcpProvider);
break;
} catch (ObjectInUseException ex) {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
continue;
}
}
}
sipStack = null;
tcpProvider = null;
udpProvider = null;
this.contactHeader = null;
addressFactory = null;
headerFactory = null;
messageFactory = null;
this.udpListeningPoint = null;
this.tcpListeningPoint = null;
this.reInviteCount = 0;
System.gc();
// Redo this from the start.
if (counter < 10) this.init();
else counter++;
} catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* Calls garbage collector and wait.
*
* @throws Exception if any thread has interrupted the current thread while waiting.
*/
private void gc() throws Exception {
Runtime rt = Runtime.getRuntime();
long freeMem0 = rt.freeMemory();
long freeMem = Long.MAX_VALUE;
int cnt = 0;
while (freeMem0 < freeMem && cnt < GC_CALL_CNT) {
System.gc();
U.sleep(WAIT_TIME);
cnt++;
freeMem = freeMem0;
freeMem0 = rt.freeMemory();
}
}
/**
* Called with a DjVuBean property has changed.
*
* @param e the PropertyChangeEvent.
*/
public void propertyChange(final PropertyChangeEvent e) {
try {
final String name = e.getPropertyName();
if ("page".equalsIgnoreCase(name)) {
final Object object = e.getNewValue();
if (object instanceof Number) {
setCheckedPage(((Number) object).intValue() - 1);
}
} else if ("propertyName".equalsIgnoreCase(name)) {
final String propertyName = (String) e.getNewValue();
if ("navpane".equalsIgnoreCase(propertyName)) {
setVisible("Outline".equalsIgnoreCase(djvuBean.properties.getProperty(propertyName)));
}
}
} catch (final Throwable exp) {
exp.printStackTrace(DjVuOptions.err);
System.gc();
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
articleFeed = new ArticleFeed(this.getBaseContext());
setFeed(articleFeed);
articleFeed.loadCache();
ThumbnailCache.getInstance().setContext(getBaseContext());
setContentView(R.layout.articles_list);
rubricsList = (LinearLayout) findViewById(R.id.articles_list);
emptyMessage = (TextView) findViewById(R.id.empty);
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
String fontSize = preferences.getString("font_list_size", "medium");
float imageSize = 12;
if (fontSize.equalsIgnoreCase("small")) {
imageSize = getResources().getDimension(R.dimen.image_size_small);
} else if (fontSize.equalsIgnoreCase("medium")) {
imageSize = getResources().getDimension(R.dimen.image_size_medium);
} else if (fontSize.equalsIgnoreCase("large")) {
imageSize = getResources().getDimension(R.dimen.image_size_large);
}
Display display =
((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
int width = display.getWidth();
int maxImageCount = (int) (width / imageSize + 1);
Rubric.setDefaultViewCount(maxImageCount);
System.gc();
listArticlesViews = new LinkedList<View>();
generateRubricsList();
}
/** Test program. */
public static void main(String[] arg) throws Exception {
Map cache = new SoftValuedHashMap();
for (int i = 0, j = 0; i < 100000; i++, j += 15) {
if (i % 100 == 0) {
System.out.println("Size = " + cache.size());
}
// Thread.sleep(1);
Integer key = new Integer(i);
Integer value = new Integer(j);
cache.put(key, value);
}
Map.Entry entry = (Map.Entry) cache.entrySet().iterator().next();
System.out.println(entry);
// entry = null;
System.out.println(cache);
int originalSize = cache.size();
// cache = null;
for (int i = 0; i < 100; i++) {
System.gc();
}
System.out.println(cache);
System.out.println(originalSize);
System.out.println(cache.size());
System.out.println(entry);
Thread.sleep(1000000);
}
@Scheduled(fixedDelay = SCHEDULED_CHECK)
public void checkActiveClients() {
Set<String> users = user_vidNameMap.keySet();
Iterator<String> it = users.iterator();
long time = System.currentTimeMillis();
int count = 0;
while (it.hasNext()) {
count++;
String user = it.next();
if (user == null) continue;
if (userAliveMap.containsKey(user)) {
if (userAliveMap.get(user).longValue() < time) {
removeUser(user);
userAliveMap.remove(user);
}
} else {
throw new RuntimeException("user in user-vid map but not in user-alive map");
}
}
// System.out.println("Debug: Scheduled Check count:"+count+" user
// count:"+user_vidNameMap.size());
System.gc();
}