Neomerx\JsonApi\Contracts\Schema\SchemaProviderInterface::getPrimaryMeta PHP 메소드

    public function getPrimaryMeta($resource);

 /**
  * @inheritdoc
  */
 public function getPrimaryMeta()
 {
     if ($this->isPrimaryMetaSet === false) {
         $this->primaryMeta = $this->schema->getPrimaryMeta($this->resource);
         $this->isPrimaryMetaSet = true;
     }
     return $this->primaryMeta;
 }