code: @Override
  	public boolean matches(Object entity) {
  		T t = property.get(entity);
  		
  		for (T value : values) {
  			if (t.compareTo(value) == 0) {
  				return true;
  			}
  		}
  		
  		return false;
  	}
docs: Indicates whether the specified entity's property matches to this
  {@code InFilter} or not.
  
  @param entity The entity to be filtered.
  @return Whether the specified entity matches to this {@code InFilter} or
  not.