/** Execute the given command directly in the current thread, within the supplied lock. */
public void execute(Runnable command) throws InterruptedException {
mutex_.acquire();
try {
command.run();
} finally {
mutex_.release();
}
}
/** Try to acquire sync before a reader operation; record failure * */
protected boolean beforeRead() {
try {
rd_.acquire();
return false;
} catch (InterruptedException ex) {
syncFailures_.increment();
return true;
}
}
public void clear() {
try {
wr_.acquire();
try {
c_.clear();
} finally {
wr_.release();
}
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
throw new UnsupportedOperationException();
}
}
public Object remove(Object key) {
try {
wr_.acquire();
try {
return c_.remove(key);
} finally {
wr_.release();
}
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
throw new UnsupportedOperationException();
}
}
public void lock() {
sync.acquire(1);
}
@Override
public void lock() {
sync.acquire(1);
}