Neomerx\JsonApi\Schema\SchemaProvider::readLinks PHP Method

    protected function readLinks($resource, $relationshipName, array $description, $isShowSelf, $isShowRelated)
    {
        $links = $this->getValue($description, self::LINKS, []);
        if ($isShowSelf === true && isset($links[LinkInterface::SELF]) === false) {
            $links[LinkInterface::SELF] = $this->getRelationshipSelfLink($resource, $relationshipName);
        }
        if ($isShowRelated === true && isset($links[LinkInterface::RELATED]) === false) {
            $links[LinkInterface::RELATED] = $this->getRelationshipRelatedLink($resource, $relationshipName);
        }
        return $links;
    }