Esempio n. 1
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 /**
  * Gets an array of BlogTagArticle objects which contain a foreign key that references this object.
  *
  * If this collection has already been initialized with an identical Criteria, it returns the collection.
  * Otherwise if this BlogArticle has previously been saved, it will retrieve
  * related BlogTagArticles from storage. If this BlogArticle is new, it will return
  * an empty collection or the current collection, the criteria is ignored on a new object.
  *
  * @param      PropelPDO $con
  * @param      Criteria $criteria
  * @return     array BlogTagArticle[]
  * @throws     PropelException
  */
 public function getBlogTagArticles($criteria = null, PropelPDO $con = null)
 {
     if ($criteria === null) {
         $criteria = new Criteria(BlogArticlePeer::DATABASE_NAME);
     } elseif ($criteria instanceof Criteria) {
         $criteria = clone $criteria;
     }
     if ($this->collBlogTagArticles === null) {
         if ($this->isNew()) {
             $this->collBlogTagArticles = array();
         } else {
             $criteria->add(BlogTagArticlePeer::ARTICLE_ID, $this->id);
             BlogTagArticlePeer::addSelectColumns($criteria);
             $this->collBlogTagArticles = BlogTagArticlePeer::doSelect($criteria, $con);
         }
     } else {
         // criteria has no effect for a new object
         if (!$this->isNew()) {
             // the following code is to determine if a new query is
             // called for.  If the criteria is the same as the last
             // one, just return the collection.
             $criteria->add(BlogTagArticlePeer::ARTICLE_ID, $this->id);
             BlogTagArticlePeer::addSelectColumns($criteria);
             if (!isset($this->lastBlogTagArticleCriteria) || !$this->lastBlogTagArticleCriteria->equals($criteria)) {
                 $this->collBlogTagArticles = BlogTagArticlePeer::doSelect($criteria, $con);
             }
         }
     }
     $this->lastBlogTagArticleCriteria = $criteria;
     return $this->collBlogTagArticles;
 }
 /**
 * Retrieve object using using composite pkey values.
 * @param      int $tag_id
   @param      int $article_id
   
 * @param      PropelPDO $con
 * @return     BlogTagArticle
 */
 public static function retrieveByPK($tag_id, $article_id, PropelPDO $con = null)
 {
     $key = serialize(array((string) $tag_id, (string) $article_id));
     if (null !== ($obj = BlogTagArticlePeer::getInstanceFromPool($key))) {
         return $obj;
     }
     if ($con === null) {
         $con = Propel::getConnection(BlogTagArticlePeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     $criteria = new Criteria(BlogTagArticlePeer::DATABASE_NAME);
     $criteria->add(BlogTagArticlePeer::TAG_ID, $tag_id);
     $criteria->add(BlogTagArticlePeer::ARTICLE_ID, $article_id);
     $v = BlogTagArticlePeer::doSelect($criteria, $con);
     return !empty($v) ? $v[0] : null;
 }