Ojs\JournalBundle\Entity\Article::addArticleAuthor PHP Method

    public function addArticleAuthor(ArticleAuthor $articleAuthor)
    {
        if (!$this->articleAuthors->contains($articleAuthor)) {
            $this->articleAuthors->add($articleAuthor);
            $articleAuthor->setArticle($this);
        }
        return $this;
    }

 /**
  *
  * @param  Article $article
  * @return $this
  */
 public function setArticle(Article $article)
 {
     $this->article = $article;
     $article->addArticleAuthor($this);
     return $this;
 }