private void awaitAvailableConnection(long timeout, TimeUnit unit) throws InterruptedException {
waitLock.lock();
waiter++;
try {
hasAvailableConnection.await(timeout, unit);
} finally {
waiter--;
waitLock.unlock();
}
}
public void resetTypist(CharacterSource newTypist) {
try {
scoreLock.lock();
if (typist != null) typist.removeCharacterListener(this);
typist = newTypist;
if (typist != null) typist.addCharacterListener(this);
} finally {
scoreLock.unlock();
}
}
public boolean trySendOnSharedLine(String message, long timeout, TimeUnit unit)
throws InterruptedException {
long nanosToLock = unit.toNanos(timeout) - estimatedNanosToSend(message);
if (!lock.tryLock(nanosToLock, NANOSECONDS)) return false;
try {
return sendOnSharedLine(message);
} finally {
lock.unlock();
}
}
public void resetScore() {
try {
scoreLock.lock();
score = 0;
char2type = -1;
setScore();
} finally {
scoreLock.unlock();
}
}
public void resetGenerator(CharacterSource newGenerator) {
try {
scoreLock.lock();
if (generator != null) generator.removeCharacterListener(this);
generator = newGenerator;
if (generator != null) generator.addCharacterListener(this);
} finally {
scoreLock.unlock();
}
}
public void setDone(boolean b) {
try {
lock.lock();
done = b;
if (!done) cv.signal();
} finally {
lock.unlock();
}
}
public void deposit(int amount) {
lock.lock(); // Acquire the lock
try {
balance += amount;
System.out.println("Deposit " + amount + "\t\t\t\t\t" + getBalance());
newDeposit.signalAll();
} finally {
lock.unlock(); // Release the lock
}
}
/** Notify the worker that new entry to delete appeared. */
void signal() {
lock.lock();
try {
force = true;
cond.signalAll();
} finally {
lock.unlock();
}
}
private void signalAllAvailableConnection() {
// Quick check if it's worth signaling to avoid locking
if (waiter == 0) return;
waitLock.lock();
try {
hasAvailableConnection.signalAll();
} finally {
waitLock.unlock();
}
}
/**
* Set local batch size for this sequences.
*
* @param size Sequence batch size. Must be more then 0.
*/
@Override
public void batchSize(int size) {
A.ensure(size > 0, " Batch size can't be less then 0: " + size);
lock.lock();
try {
batchSize = size;
} finally {
lock.unlock();
}
}
/** {@inheritDoc} */
@Override
public long get() throws GridException {
checkRemoved();
lock.lock();
try {
return locVal;
} finally {
lock.unlock();
}
}
public void waitForOthers() {
lock.lock();
NumCount++;
if (NumCount == NumWait) {
workers.signalAll();
NumCount = 0;
} else {
try {
workers.await();
} catch (InterruptedException e) {
}
}
lock.unlock();
}
public void withdraw(int amount) {
lock.lock(); // Acquire the lock
try {
while (balance < amount) {
System.out.println("\t\t\tWait for a deposit");
newDeposit.await();
}
balance -= amount;
System.out.println("\t\t\tWithdraw " + amount + "\t\t" + getBalance());
} catch (InterruptedException ex) {
ex.printStackTrace();
} finally {
lock.unlock(); // Release the lock
}
}
/** {@inheritDoc} */
@Override
protected void body() throws InterruptedException {
if (log.isDebugEnabled()) log.debug("Delete worker started.");
while (!cancelled) {
lock.lock();
try {
if (!cancelled && !force) cond.await(FREQUENCY, TimeUnit.MILLISECONDS);
force = false; // Reset force flag.
} finally {
lock.unlock();
}
if (!cancelled) delete();
}
}
public void run() {
try {
lock.lock();
while (true) {
try {
if (done) {
cv.await();
} else {
nextCharacter();
cv.await(getPauseTime(), TimeUnit.MILLISECONDS);
}
} catch (InterruptedException ie) {
return;
}
}
} finally {
lock.unlock();
}
}
public void newCharacter(CharacterEvent ce) {
scoreLock.lock();
try {
if (ce.source == generator) {
if (char2type != -1) {
score--;
setScore();
}
char2type = ce.character;
} else {
if (char2type != ce.character) {
score--;
} else {
score++;
char2type = -1;
}
}
setScore();
} finally {
scoreLock.unlock();
}
}
private final void unlockWrite() {
$lock.unlock();
}
/**
* Synchronous sequence update operation. Will add given amount to the sequence value.
*
* @param l Increment amount.
* @param updateCall Cache call that will update sequence reservation count in accordance with l.
* @param updated If {@code true}, will return sequence value after update, otherwise will return
* sequence value prior to update.
* @return Sequence value.
* @throws GridException If update failed.
*/
private long internalUpdate(long l, @Nullable Callable<Long> updateCall, boolean updated)
throws GridException {
checkRemoved();
assert l > 0;
lock.lock();
try {
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return updated ? locVal : curVal;
}
} finally {
lock.unlock();
}
if (updateCall == null) updateCall = internalUpdate(l, updated);
while (true) {
if (updateGuard.compareAndSet(false, true)) {
try {
// This call must be outside lock.
return CU.outTx(updateCall, ctx);
} finally {
lock.lock();
try {
updateGuard.set(false);
cond.signalAll();
} finally {
lock.unlock();
}
}
} else {
lock.lock();
try {
while (locVal >= upBound && updateGuard.get()) {
try {
cond.await(500, MILLISECONDS);
} catch (InterruptedException e) {
throw new GridInterruptedException(e);
}
}
checkRemoved();
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return updated ? locVal : curVal;
}
} finally {
lock.unlock();
}
}
}
}
/**
* Asynchronous sequence update operation. Will add given amount to the sequence value.
*
* @param l Increment amount.
* @param updateCall Cache call that will update sequence reservation count in accordance with l.
* @param updated If {@code true}, will return sequence value after update, otherwise will return
* sequence value prior to update.
* @return Future indicating sequence value.
* @throws GridException If update failed.
*/
private GridFuture<Long> internalUpdateAsync(
long l, @Nullable Callable<Long> updateCall, boolean updated) throws GridException {
checkRemoved();
A.ensure(l > 0, " Parameter mustn't be less then 1: " + l);
lock.lock();
try {
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return new GridFinishedFuture<Long>(ctx.kernalContext(), updated ? locVal : curVal);
}
} finally {
lock.unlock();
}
if (updateCall == null) updateCall = internalUpdate(l, updated);
while (true) {
if (updateGuard.compareAndSet(false, true)) {
try {
// This call must be outside lock.
return ctx.closures().callLocalSafe(updateCall, true);
} finally {
lock.lock();
try {
updateGuard.set(false);
cond.signalAll();
} finally {
lock.unlock();
}
}
} else {
lock.lock();
try {
while (locVal >= upBound && updateGuard.get()) {
try {
cond.await(500, MILLISECONDS);
} catch (InterruptedException e) {
throw new GridInterruptedException(e);
}
}
checkRemoved();
// If reserved range isn't exhausted.
if (locVal + l <= upBound) {
long curVal = locVal;
locVal += l;
return new GridFinishedFuture<Long>(ctx.kernalContext(), updated ? locVal : curVal);
}
} finally {
lock.unlock();
}
}
}
}