/**
     * Deletes all associated AssetModels
     * @return void
     */
    public function DeleteAllAssetModels()
    {
        if (is_null($this->intDepreciationClassId)) {
            throw new QUndefinedPrimaryKeyException('Unable to call UnassociateAssetModel on this unsaved DepreciationClass.');
        }
        // Get the Database Object for this Class
        $objDatabase = DepreciationClass::GetDatabase();
        // Journaling
        if ($objDatabase->JournalingDatabase) {
            foreach (AssetModel::LoadArrayByDepreciationClassId($this->intDepreciationClassId) as $objAssetModel) {
                $objAssetModel->Journal('DELETE');
            }
        }
        // Perform the SQL Query
        $objDatabase->NonQuery('
				DELETE FROM
					`asset_model`
				WHERE
					`depreciation_class_id` = ' . $objDatabase->SqlVariable($this->intDepreciationClassId) . '
			');
    }