/**
* This is a method for emulating ON DELETE CASCADE for DBs that don't support this
* feature (like MySQL or SQLite).
*
* This method is not very speedy because it must perform a query first to get
* the implicated records and then perform the deletes by calling those Peer classes.
*
* This method should be used within a transaction if possible.
*
* @param Criteria $criteria
* @param PropelPDO $con
* @return int The number of affected rows (if supported by underlying database driver).
*/
protected static function doOnDeleteCascade(Criteria $criteria, PropelPDO $con)
{
// initialize var to track total num of affected rows
$affectedRows = 0;
// first find the objects that are implicated by the $criteria
$objects = NagiosHostPeer::doSelect($criteria, $con);
foreach ($objects as $obj) {
// delete related NagiosService objects
$c = new Criteria(NagiosServicePeer::DATABASE_NAME);
$c->add(NagiosServicePeer::HOST, $obj->getId());
$affectedRows += NagiosServicePeer::doDelete($c, $con);
// delete related NagiosHostContactMember objects
$c = new Criteria(NagiosHostContactMemberPeer::DATABASE_NAME);
$c->add(NagiosHostContactMemberPeer::HOST, $obj->getId());
$affectedRows += NagiosHostContactMemberPeer::doDelete($c, $con);
// delete related NagiosDependency objects
$c = new Criteria(NagiosDependencyPeer::DATABASE_NAME);
$c->add(NagiosDependencyPeer::HOST, $obj->getId());
$affectedRows += NagiosDependencyPeer::doDelete($c, $con);
// delete related NagiosDependencyTarget objects
$c = new Criteria(NagiosDependencyTargetPeer::DATABASE_NAME);
$c->add(NagiosDependencyTargetPeer::TARGET_HOST, $obj->getId());
$affectedRows += NagiosDependencyTargetPeer::doDelete($c, $con);
// delete related NagiosEscalation objects
$c = new Criteria(NagiosEscalationPeer::DATABASE_NAME);
$c->add(NagiosEscalationPeer::HOST, $obj->getId());
$affectedRows += NagiosEscalationPeer::doDelete($c, $con);
// delete related NagiosHostContactgroup objects
$c = new Criteria(NagiosHostContactgroupPeer::DATABASE_NAME);
$c->add(NagiosHostContactgroupPeer::HOST, $obj->getId());
$affectedRows += NagiosHostContactgroupPeer::doDelete($c, $con);
// delete related NagiosHostgroupMembership objects
$c = new Criteria(NagiosHostgroupMembershipPeer::DATABASE_NAME);
$c->add(NagiosHostgroupMembershipPeer::HOST, $obj->getId());
$affectedRows += NagiosHostgroupMembershipPeer::doDelete($c, $con);
// delete related NagiosHostCheckCommandParameter objects
$c = new Criteria(NagiosHostCheckCommandParameterPeer::DATABASE_NAME);
$c->add(NagiosHostCheckCommandParameterPeer::HOST, $obj->getId());
$affectedRows += NagiosHostCheckCommandParameterPeer::doDelete($c, $con);
// delete related NagiosHostParent objects
$c = new Criteria(NagiosHostParentPeer::DATABASE_NAME);
$c->add(NagiosHostParentPeer::CHILD_HOST, $obj->getId());
$affectedRows += NagiosHostParentPeer::doDelete($c, $con);
// delete related NagiosHostParent objects
$c = new Criteria(NagiosHostParentPeer::DATABASE_NAME);
$c->add(NagiosHostParentPeer::PARENT_HOST, $obj->getId());
$affectedRows += NagiosHostParentPeer::doDelete($c, $con);
// delete related NagiosHostTemplateInheritance objects
$c = new Criteria(NagiosHostTemplateInheritancePeer::DATABASE_NAME);
$c->add(NagiosHostTemplateInheritancePeer::SOURCE_HOST, $obj->getId());
$affectedRows += NagiosHostTemplateInheritancePeer::doDelete($c, $con);
}
return $affectedRows;
}
/**
* Removes this object from datastore and sets delete attribute.
*
* @param PropelPDO $con
* @return void
* @throws PropelException
* @see BaseObject::setDeleted()
* @see BaseObject::isDeleted()
*/
public function delete(PropelPDO $con = null)
{
if ($this->isDeleted()) {
throw new PropelException("This object has already been deleted.");
}
if ($con === null) {
$con = Propel::getConnection(NagiosHostgroupMembershipPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
}
$con->beginTransaction();
try {
NagiosHostgroupMembershipPeer::doDelete($this, $con);
$this->setDeleted(true);
$con->commit();
} catch (PropelException $e) {
$con->rollBack();
throw $e;
}
}