/** * Method perform a DELETE on the database, given a NagiosHost or Criteria object OR a primary key value. * * @param mixed $values Criteria or NagiosHost object or primary key or array of primary keys * which is used to create the DELETE statement * @param PropelPDO $con the connection to use * @return int The number of affected rows (if supported by underlying database driver). This includes CASCADE-related rows * if supported by native driver or if emulated using Propel. * @throws PropelException Any exceptions caught during processing will be * rethrown wrapped into a PropelException. */ public static function doDelete($values, PropelPDO $con = null) { if ($con === null) { $con = Propel::getConnection(NagiosHostPeer::DATABASE_NAME, Propel::CONNECTION_WRITE); } if ($values instanceof Criteria) { // invalidate the cache for all objects of this type, since we have no // way of knowing (without running a query) what objects should be invalidated // from the cache based on this Criteria. NagiosHostPeer::clearInstancePool(); // rename for clarity $criteria = clone $values; } elseif ($values instanceof NagiosHost) { // invalidate the cache for this single object NagiosHostPeer::removeInstanceFromPool($values); // create criteria based on pk values $criteria = $values->buildPkeyCriteria(); } else { // it must be the primary key $criteria = new Criteria(self::DATABASE_NAME); $criteria->add(NagiosHostPeer::ID, (array) $values, Criteria::IN); foreach ((array) $values as $singleval) { // we can invalidate the cache for this single object NagiosHostPeer::removeInstanceFromPool($singleval); } } // Set the correct dbName $criteria->setDbName(self::DATABASE_NAME); $affectedRows = 0; // initialize var to track total num of affected rows try { // use transaction because $criteria could contain info // for more than one table or we could emulating ON DELETE CASCADE, etc. $con->beginTransaction(); $affectedRows += NagiosHostPeer::doOnDeleteCascade($criteria, $con); NagiosHostPeer::doOnDeleteSetNull($criteria, $con); // Because this db requires some delete cascade/set null emulation, we have to // clear the cached instance *after* the emulation has happened (since // instances get re-added by the select statement contained therein). if ($values instanceof Criteria) { NagiosHostPeer::clearInstancePool(); } else { // it's a PK or object NagiosHostPeer::removeInstanceFromPool($values); } $affectedRows += BasePeer::doDelete($criteria, $con); // invalidate objects in NagiosServicePeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosServicePeer::clearInstancePool(); // invalidate objects in NagiosHostContactMemberPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosHostContactMemberPeer::clearInstancePool(); // invalidate objects in NagiosDependencyPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosDependencyPeer::clearInstancePool(); // invalidate objects in NagiosDependencyTargetPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosDependencyTargetPeer::clearInstancePool(); // invalidate objects in NagiosEscalationPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosEscalationPeer::clearInstancePool(); // invalidate objects in NagiosHostContactgroupPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosHostContactgroupPeer::clearInstancePool(); // invalidate objects in NagiosHostgroupMembershipPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosHostgroupMembershipPeer::clearInstancePool(); // invalidate objects in NagiosHostCheckCommandParameterPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosHostCheckCommandParameterPeer::clearInstancePool(); // invalidate objects in NagiosHostParentPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosHostParentPeer::clearInstancePool(); // invalidate objects in NagiosHostParentPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosHostParentPeer::clearInstancePool(); // invalidate objects in NagiosHostTemplateInheritancePeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. NagiosHostTemplateInheritancePeer::clearInstancePool(); // invalidate objects in AutodiscoveryDevicePeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule. AutodiscoveryDevicePeer::clearInstancePool(); $con->commit(); return $affectedRows; } catch (PropelException $e) { $con->rollBack(); throw $e; } }