public function getCalls()
    {
        if (null == $this->calls) {
            $this->calls = $this->extractCalls();
        }

        return $this->calls;
    }
public function getCalls()
    {
        if (null == $this->calls) {
            $this->calls = $this->extractCalls();
        }

        return $this->calls;
    }
public function getCalls ( ) { if ( null == $ this -> calls ) { $ this -> calls = $ this -> extractCalls ( ) ; } return $ this -> calls ; }
Get the direct calls object.

@return array
Get the direct calls object .