protected function store_supports_native_locking() {
        if ($this->nativelocking === null) {
            $this->nativelocking = ($this->store instanceof cache_is_lockable);
        }
        return $this->nativelocking;
    }
protected function store_supports_native_locking() {
        if ($this->nativelocking === null) {
            $this->nativelocking = ($this->store instanceof cache_is_lockable);
        }
        return $this->nativelocking;
    }
protected function store_supports_native_locking ( ) { if ( $ this -> nativelocking === null ) { $ this -> nativelocking = ( $ this -> store instanceof cache_is_lockable ) ; } return $ this -> nativelocking ; }
Returns true if the store natively supports locking.

@return bool
Returns true if the store natively supports locking .