/**
* If this collection has already been initialized with
* an identical criteria, it returns the collection.
* Otherwise if this Post is new, it will return
* an empty collection; or if this Post has previously
* been saved, it will retrieve related PostTags from storage.
*
* This method is protected by default in order to keep the public
* api reasonable. You can provide public methods for those you
* actually need in Post.
*/
public function getPostTagsJoinTag($criteria = null, $con = null)
{
// include the Peer class
include_once 'lib/model/om/BasePostTagPeer.php';
if ($criteria === null) {
$criteria = new Criteria();
} elseif ($criteria instanceof Criteria) {
$criteria = clone $criteria;
}
if ($this->collPostTags === null) {
if ($this->isNew()) {
$this->collPostTags = array();
} else {
$criteria->add(PostTagPeer::POST_ID, $this->getId());
$this->collPostTags = PostTagPeer::doSelectJoinTag($criteria, $con);
}
} else {
// 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(PostTagPeer::POST_ID, $this->getId());
if (!isset($this->lastPostTagCriteria) || !$this->lastPostTagCriteria->equals($criteria)) {
$this->collPostTags = PostTagPeer::doSelectJoinTag($criteria, $con);
}
}
$this->lastPostTagCriteria = $criteria;
return $this->collPostTags;
}
