Contract::cleanDBonPurge PHP Method

    function cleanDBonPurge()
    {
        $class = new Contract_Supplier();
        $class->cleanDBonItemDelete($this->getType(), $this->fields['id']);
        $class = new ContractCost();
        $class->cleanDBonItemDelete($this->getType(), $this->fields['id']);
        $class = new Contract_Item();
        $class->cleanDBonItemDelete($this->getType(), $this->fields['id']);
        $class = new Alert();
        $class->cleanDBonItemDelete($this->getType(), $this->fields['id']);
    }