/** @return {@code true} if entered to busy state. */
private boolean enterBusy() {
if (busyLock.readLock().tryLock()) return true;
if (log.isDebugEnabled())
log.debug("Failed to enter busy state (exchanger is stopping): " + this);
return false;
}
private void leaveBusy() {
busyLock.readLock().unlock();
}
/**
* Create a new SyncMap protecting the given map, and using the given ReadWriteLock to control
* reader and writer methods.
*/
public SyncMap(Map map, ReadWriteLock rwl) {
this(map, rwl.readLock(), rwl.writeLock());
}
/**
* Create a new SyncSortedSet protecting the given set, and using the given ReadWriteLock to
* control reader and writer methods.
*/
public SyncSortedSet(SortedSet set, ReadWriteLock rwl) {
super(set, rwl.readLock(), rwl.writeLock());
}