/**
* Removes this object from datastore and sets delete attribute.
*
* @param ConnectionInterface $con
* @return void
* @throws PropelException
* @see Questions::setDeleted()
* @see Questions::isDeleted()
*/
public function delete(ConnectionInterface $con = null)
{
if ($this->isDeleted()) {
throw new PropelException("This object has already been deleted.");
}
if ($con === null) {
$con = Propel::getServiceContainer()->getWriteConnection(QuestionsTableMap::DATABASE_NAME);
}
$con->transaction(function () use($con) {
$deleteQuery = ChildQuestionsQuery::create()->filterByPrimaryKey($this->getPrimaryKey());
$ret = $this->preDelete($con);
if ($ret) {
$deleteQuery->delete($con);
$this->postDelete($con);
$this->setDeleted(true);
}
});
}
/**
* Returns a new ChildQuestionsQuery object.
*
* @param string $modelAlias The alias of a model in the query
* @param Criteria $criteria Optional Criteria to build the query from
*
* @return ChildQuestionsQuery
*/
public static function create($modelAlias = null, Criteria $criteria = null)
{
if ($criteria instanceof ChildQuestionsQuery) {
return $criteria;
}
$query = new ChildQuestionsQuery();
if (null !== $modelAlias) {
$query->setModelAlias($modelAlias);
}
if ($criteria instanceof Criteria) {
$query->mergeWith($criteria);
}
return $query;
}
/**
* Get the associated ChildQuestions object
*
* @param ConnectionInterface $con Optional Connection object.
* @return ChildQuestions The associated ChildQuestions object.
* @throws PropelException
*/
public function getQuestions(ConnectionInterface $con = null)
{
if ($this->aQuestions === null && ($this->question_id !== "" && $this->question_id !== null)) {
$this->aQuestions = ChildQuestionsQuery::create()->findPk($this->question_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.
$this->aQuestions->addExpertQuestionStates($this);
*/
}
return $this->aQuestions;
}
