/**
  * Gets an array of AppBlogMultimediaEntries 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 AppBlogsMultimedia has previously been saved, it will retrieve
  * related AppBlogMultimediaEntriess from storage. If this AppBlogsMultimedia 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 $criteria
  * @return     array AppBlogMultimediaEntries[]
  * @throws     PropelException
  */
 public function getAppBlogMultimediaEntriess($criteria = null, PropelPDO $con = null)
 {
     if ($criteria === null) {
         $criteria = new Criteria(AppBlogsMultimediaPeer::DATABASE_NAME);
     } elseif ($criteria instanceof Criteria) {
         $criteria = clone $criteria;
     }
     if ($this->collAppBlogMultimediaEntriess === null) {
         if ($this->isNew()) {
             $this->collAppBlogMultimediaEntriess = array();
         } else {
             $criteria->add(AppBlogMultimediaEntriesPeer::MULTIMEDIA_ID, $this->id);
             AppBlogMultimediaEntriesPeer::addSelectColumns($criteria);
             $this->collAppBlogMultimediaEntriess = AppBlogMultimediaEntriesPeer::doSelect($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(AppBlogMultimediaEntriesPeer::MULTIMEDIA_ID, $this->id);
             AppBlogMultimediaEntriesPeer::addSelectColumns($criteria);
             if (!isset($this->lastAppBlogMultimediaEntriesCriteria) || !$this->lastAppBlogMultimediaEntriesCriteria->equals($criteria)) {
                 $this->collAppBlogMultimediaEntriess = AppBlogMultimediaEntriesPeer::doSelect($criteria, $con);
             }
         }
     }
     $this->lastAppBlogMultimediaEntriesCriteria = $criteria;
     return $this->collAppBlogMultimediaEntriess;
 }
 /**
  * Retrieve object using using composite pkey values.
  * @param      int $entries_id
  * @param      int $multimedia_id
  * @param      PropelPDO $con
  * @return     AppBlogMultimediaEntries
  */
 public static function retrieveByPK($entries_id, $multimedia_id, PropelPDO $con = null)
 {
     $key = serialize(array((string) $entries_id, (string) $multimedia_id));
     if (null !== ($obj = AppBlogMultimediaEntriesPeer::getInstanceFromPool($key))) {
         return $obj;
     }
     if ($con === null) {
         $con = Propel::getConnection(AppBlogMultimediaEntriesPeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     $criteria = new Criteria(AppBlogMultimediaEntriesPeer::DATABASE_NAME);
     $criteria->add(AppBlogMultimediaEntriesPeer::ENTRIES_ID, $entries_id);
     $criteria->add(AppBlogMultimediaEntriesPeer::MULTIMEDIA_ID, $multimedia_id);
     $v = AppBlogMultimediaEntriesPeer::doSelect($criteria, $con);
     return !empty($v) ? $v[0] : null;
 }