public void setDone(boolean b) {
try {
lock.lock();
done = b;
if (!done) cv.signal();
} finally {
lock.unlock();
}
}
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();
}
}