PHP TaskPeer::clearInstancePool方法代码示例

 /**
  * Method perform a DELETE on the database, given a Task or Criteria object OR a primary key value.
  *
  * @param      mixed $values Criteria or Task 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) {
         $con = Propel::getConnection(TaskPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
     }
     if ($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.
         TaskPeer::clearInstancePool();
         // rename for clarity
         $criteria = clone $values;
     } elseif ($values instanceof Task) {
         // it's a model object
         // invalidate the cache for this single object
         TaskPeer::removeInstanceFromPool($values);
         // create criteria based on pk values
         $criteria = $values->buildPkeyCriteria();
     } else {
         // it's a primary key, or an array of pks
         $criteria = new Criteria(self::DATABASE_NAME);
         $criteria->add(TaskPeer::ID, (array) $values, Criteria::IN);
         // invalidate the cache for this object(s)
         foreach ((array) $values as $singleval) {
             TaskPeer::removeInstanceFromPool($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();
         $affectedRows += BasePeer::doDelete($criteria, $con);
         TaskPeer::clearRelatedInstancePool();
         $con->commit();
         return $affectedRows;
     } catch (PropelException $e) {
         $con->rollBack();
         throw $e;
     }
 }

 /**
  * Method to invalidate the instance pool of all tables related to projects
  * by a foreign key with ON DELETE CASCADE
  */
 public static function clearRelatedInstancePool()
 {
     // invalidate objects in TaskPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule.
     TaskPeer::clearInstancePool();
     // invalidate objects in BuildPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule.
     BuildPeer::clearInstancePool();
 }

 /**
  * Method to invalidate the instance pool of all tables related to users
  * by a foreign key with ON DELETE CASCADE
  */
 public static function clearRelatedInstancePool()
 {
     // invalidate objects in ProjectPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule.
     ProjectPeer::clearInstancePool();
     // invalidate objects in ProjectPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule.
     ProjectPeer::clearInstancePool();
     // invalidate objects in TaskPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule.
     TaskPeer::clearInstancePool();
     // invalidate objects in OverrideTaskPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule.
     OverrideTaskPeer::clearInstancePool();
     // invalidate objects in LinkPeer instance pool, since one or more of them may be deleted by ON DELETE CASCADE rule.
     LinkPeer::clearInstancePool();
 }