andsalves / doctrine-elastic

        }

    }

    private function walkORTerm($term, SearchParams $parentSearchParams, $statement = false) {

        if ($statement && !in_array($statement, ['must', 'should', 'must_not', 'should_not'])) {

            throw new InvalidParamsException(sprintf(

                "Parameter \$boolOptionInsert must be 'must' or 'should', got '%s'", $statement

            ));

        }

        $childSearchParams = clone $parentSearchParams;

        $parentBody = $parentSearchParams->getBody();

        $childSearchParams->setBody([]);

        if (is_array($term) && !empty($term)) {

            $this->walkTermsAndFactors($term, $childSearchParams);

        } else if ($term instanceof Node) {

            $this->walkConditionalPrimary($term, $childSearchParams);

        }

        if (!empty($childSearchParams->getBody())) {

            $this->walkerHelper->addSubQueryStatement($childSearchParams->getBody(), $parentBody, 'should');

            $parentSearchParams->setBody($parentBody);

        }

    }

    private function walkANDFactor($factor, SearchParams $parentSearchParams, $statement = false) {

        if ($statement && !in_array($statement, ['must', 'should', 'must_not', 'should_not'])) {

        }

    }

    private function walkANDFactor($factor, SearchParams $parentSearchParams, $statement = false) {

        if ($statement && !in_array($statement, ['must', 'should', 'must_not', 'should_not'])) {

            throw new InvalidParamsException(sprintf(

                "Parameter \$boolOptionInsert must be 'must' or 'should', got '%s'", $statement

            ));

        }

        $childSearchParams = clone $parentSearchParams;

        $parentBody = $parentSearchParams->getBody();

        $childSearchParams->setBody([]);

        if (is_array($factor) && !empty($factor)) {

            $this->walkTermsAndFactors($factor, $childSearchParams);

        } else if ($factor instanceof Node) {

            $this->walkConditionalPrimary($factor, $childSearchParams);

        }

        if (!empty($childSearchParams->getBody())) {

            $this->walkerHelper->addSubQueryStatement($childSearchParams->getBody(), $parentBody, 'must');

            $parentSearchParams->setBody($parentBody);

        }

    }

    private function walkConditionalPrimary(Node $node, SearchParams $searchParams) {

        switch (get_class($node)) {