/**
* Returns a new ChildAuthorQuery object.
*
* @param string $modelAlias The alias of a model in the query
* @param Criteria $criteria Optional Criteria to build the query from
*
* @return ChildAuthorQuery
*/
public static function create($modelAlias = null, $criteria = null)
{
if ($criteria instanceof \AuthorQuery) {
return $criteria;
}
$query = new \AuthorQuery();
if (null !== $modelAlias) {
$query->setModelAlias($modelAlias);
}
if ($criteria instanceof Criteria) {
$query->mergeWith($criteria);
}
return $query;
}
/**
* Get the associated ChildAuthor object
*
* @param ConnectionInterface $con Optional Connection object.
* @return ChildAuthor The associated ChildAuthor object.
* @throws PropelException
*/
public function getAuthor(ConnectionInterface $con = null)
{
if ($this->aAuthor === null && $this->author_id !== null) {
$this->aAuthor = ChildAuthorQuery::create()->findPk($this->author_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.
$this->aAuthor->addBooks($this);
*/
}
return $this->aAuthor;
}
/**
* 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 = ChildAuthorQuery::create();
$criteria->add(AuthorTableMap::COL_ID, $this->id);
return $criteria;
}
/**
* Removes this object from datastore and sets delete attribute.
*
* @param ConnectionInterface $con
* @return void
* @throws PropelException
* @see Author::setDeleted()
* @see Author::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(AuthorTableMap::DATABASE_NAME);
}
$con->beginTransaction();
try {
$deleteQuery = ChildAuthorQuery::create()->filterByPrimaryKey($this->getPrimaryKey());
$ret = $this->preDelete($con);
if ($ret) {
$deleteQuery->delete($con);
$this->postDelete($con);
$con->commit();
$this->setDeleted(true);
} else {
$con->commit();
}
} catch (Exception $e) {
$con->rollBack();
throw $e;
}
}
