public function getFilterCollection()
    {
        if (null === $this->filterCollection) {
            $this->filterCollection = new Filter\FilterCollection($this);
        }

        return $this->filterCollection;
    }
public function getFilterCollection()
    {
        if (null === $this->filterCollection) {
            $this->filterCollection = new Filter\FilterCollection($this);
        }

        return $this->filterCollection;
    }
public function getFilterCollection ( ) { if ( null === $ this -> filterCollection ) { $ this -> filterCollection = new Filter \ FilterCollection ( $ this ) ; } return $ this -> filterCollection ; }
Gets the filter collection.

@return Filter\FilterCollection The active filter collection.
Gets the filter collection .