Java Utililty Methods Thread Lock

List of utility methods to do Thread Lock

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Description

The list of methods to do Thread Lock are organized into topic(s).

Method

booleancanCreateNewThread()
can Create New Thread 
if (Thread.activeCount() < 20000) {
    try {
        return true;
    } catch (Exception e) {
        e.printStackTrace();
return false;
...
QueuecreateConcurrentStack()
create Concurrent Stack 
return (Queue<E>) Collections.asLifoQueue(newConcurrentNonBlockingDeque());
voiddowngradeWriteLock(final ReadWriteLock lock)
downgrade Write Lock 
acquireReadLock(lock);
releaseWriteLock(lock);
voidfillReadWriteLocks(List readLocks, List writeLocks, int curSize, int size)
fill Read Write Locks 
if (curSize < size) {
    for (int i = curSize; i < size; i++) {
        ReentrantReadWriteLock nrwl = new ReentrantReadWriteLock();
        readLocks.add(nrwl.readLock());
        writeLocks.add(nrwl.writeLock());
MapgetAllMessages()
get All Messages 
return getLocaleProperties(getLocale());
LockgetGradingReadLock()
get Grading Read Lock 
return READ_WRITE_LOCK.readLock();
GsongetInstance()
get Instance 
return SERIALIZER;
MapgetLocaleProperties(Locale locale)
Get the messages for a locale. 
Set<String> loadedBundles = null;
Map<String, String> props = null;
int loadedBundleCount = 0;
try {
    readLock.lock();
    loadedBundles = loadedResourceBundles.get(locale);
    props = cachedMessages.get(locale);
    loadedBundleCount = resouceBundleBaseNames.size();
...
ReentrantReadWriteLockgetPropLock(String s)
get Prop Lock 
assert Thread.holdsLock(LOCK_MONITOR);
if (locks.containsKey(s)) {
    return locks.get(s);
ReentrantReadWriteLock l = new ReentrantReadWriteLock();
locks.put(s, l);
return l;
ClassloadClass(String className)
Loads a class. 
ClassLoader ccl = Thread.currentThread().getContextClassLoader();
if (ccl == null) {
    try {
        return loadClass(className, null);
    } catch (ClassNotFoundException cnf) {
        return loadClassWithRegisteredClassLoaders(className);
try {
    return loadClass(className, ccl);
} catch (ClassNotFoundException cnf) {
    try {
        return loadClass(className, null);
    } catch (ClassNotFoundException cnf2) {
        return loadClassWithRegisteredClassLoaders(className);