/**
* If this collection has already been initialized with
* an identical criteria, it returns the collection.
* Otherwise if this Questions is new, it will return
* an empty collection; or if this Questions has previously
* been saved, it will retrieve related ExpertQuestionStates 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 Questions.
*
* @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|ChildExpertQuestionState[] List of ChildExpertQuestionState objects
*/
public function getExpertQuestionStatesJoinExperts(Criteria $criteria = null, ConnectionInterface $con = null, $joinBehavior = Criteria::LEFT_JOIN)
{
$query = ChildExpertQuestionStateQuery::create(null, $criteria);
$query->joinWith('Experts', $joinBehavior);
return $this->getExpertQuestionStates($query, $con);
}
/**
* Returns a new ChildExpertQuestionStateQuery object.
*
* @param string $modelAlias The alias of a model in the query
* @param Criteria $criteria Optional Criteria to build the query from
*
* @return ChildExpertQuestionStateQuery
*/
public static function create($modelAlias = null, Criteria $criteria = null)
{
if ($criteria instanceof ChildExpertQuestionStateQuery) {
return $criteria;
}
$query = new ChildExpertQuestionStateQuery();
if (null !== $modelAlias) {
$query->setModelAlias($modelAlias);
}
if ($criteria instanceof Criteria) {
$query->mergeWith($criteria);
}
return $query;
}
/**
* Removes this object from datastore and sets delete attribute.
*
* @param ConnectionInterface $con
* @return void
* @throws PropelException
* @see ExpertQuestionState::setDeleted()
* @see ExpertQuestionState::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(ExpertQuestionStateTableMap::DATABASE_NAME);
}
$con->transaction(function () use($con) {
$deleteQuery = ChildExpertQuestionStateQuery::create()->filterByPrimaryKey($this->getPrimaryKey());
$ret = $this->preDelete($con);
if ($ret) {
$deleteQuery->delete($con);
$this->postDelete($con);
$this->setDeleted(true);
}
});
}