code: public int numValues(String property) {
  		int count = 0;
  		if (has()) {
  			TResult result = queryForValues(property);
  			try {
  				count = result.getCount();
  			} finally {
  				result.close();
  			}
  		}
  		return count;
  	}
docs: Get the number of values for the property
  
  @param property
  property name
  @return number of values