/**
* Get the associated ChildTopic object
*
* @param ConnectionInterface $con Optional Connection object.
* @return ChildTopic The associated ChildTopic object.
* @throws PropelException
*/
public function gettopic(ConnectionInterface $con = null)
{
if ($this->atopic === null && $this->topic_id !== null) {
$this->atopic = ChildTopicQuery::create()->findPk($this->topic_id, $con);
/* The following can be used additionally to
guarantee the related object contains a reference
to this object. This level of coupling may, however, be
undesirable since it could result in an only partially populated collection
in the referenced object.
$this->atopic->addSnippets($this);
*/
}
return $this->atopic;
}
/**
* If this collection has already been initialized with
* an identical criteria, it returns the collection.
* Otherwise if this Canon is new, it will return
* an empty collection; or if this Canon has previously
* been saved, it will retrieve related Topics 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 Canon.
*
* @param Criteria $criteria optional Criteria object to narrow the query
* @param ConnectionInterface $con optional connection object
* @param string $joinBehavior optional join type to use (defaults to Criteria::LEFT_JOIN)
* @return ObjectCollection|ChildTopic[] List of ChildTopic objects
*/
public function getTopicsJoinintroducedAt(Criteria $criteria = null, ConnectionInterface $con = null, $joinBehavior = Criteria::LEFT_JOIN)
{
$query = ChildTopicQuery::create(null, $criteria);
$query->joinWith('introducedAt', $joinBehavior);
return $this->getTopics($query, $con);
}
/**
* Performs an INSERT on the database, given a Topic or Criteria object.
*
* @param mixed $criteria Criteria or Topic object containing data that is used to create the INSERT statement.
* @param ConnectionInterface $con the ConnectionInterface connection to use
* @return mixed The new primary key.
* @throws PropelException Any exceptions caught during processing will be
* rethrown wrapped into a PropelException.
*/
public static function doInsert($criteria, ConnectionInterface $con = null)
{
if (null === $con) {
$con = Propel::getServiceContainer()->getWriteConnection(TopicTableMap::DATABASE_NAME);
}
if ($criteria instanceof Criteria) {
$criteria = clone $criteria;
// rename for clarity
} else {
$criteria = $criteria->buildCriteria();
// build Criteria from Topic object
}
if ($criteria->containsKey(TopicTableMap::COL_ID) && $criteria->keyContainsValue(TopicTableMap::COL_ID)) {
throw new PropelException('Cannot insert a value for auto-increment primary key (' . TopicTableMap::COL_ID . ')');
}
// Set the correct dbName
$query = TopicQuery::create()->mergeWith($criteria);
// use transaction because $criteria could contain info
// for more than one table (I guess, conceivably)
return $con->transaction(function () use($con, $query) {
return $query->doInsert($con);
});
}
/**
* Returns a new ChildTopicQuery object.
*
* @param string $modelAlias The alias of a model in the query
* @param Criteria $criteria Optional Criteria to build the query from
*
* @return ChildTopicQuery
*/
public static function create($modelAlias = null, Criteria $criteria = null)
{
if ($criteria instanceof ChildTopicQuery) {
return $criteria;
}
$query = new ChildTopicQuery();
if (null !== $modelAlias) {
$query->setModelAlias($modelAlias);
}
if ($criteria instanceof Criteria) {
$query->mergeWith($criteria);
}
return $query;
}
/**
* Builds a Criteria object containing the primary key for this object.
*
* Unlike buildCriteria() this method includes the primary key values regardless
* of whether or not they have been modified.
*
* @throws LogicException if no primary key is defined
*
* @return Criteria The Criteria object containing value(s) for primary key(s).
*/
public function buildPkeyCriteria()
{
$criteria = ChildTopicQuery::create();
$criteria->add(TopicTableMap::COL_ID, $this->id);
return $criteria;
}
