code: public Counter get(String name, int type) {
  		if (name == null || name.length() == 0)
  			throw new NullPointerException("Counter name was not set");
  
  		synchronized (_lock) {
  			resetIfNeeded();
  			Counter counter = _cache.get(name);
  			if (counter == null || counter.getType() != type) {
  				counter = new Counter(name, type);
  				_cache.put(name, counter);
  			}
  
  			return counter;
  		}
  	}
docs: Gets a counter specified by its name. It counter does not exist or its type
  doesn't match the specified type it creates a new one.
  
  @param name a counter name to retrieve.
  @param type a counter type.
  @return an existing or newly created counter of the specified type.