public function copy(Domain $domain)
    {
        $this->defaultValue = $domain->getDefaultValue();
        $this->description = $domain->getDescription();
        $this->name = $domain->getName();
        $this->scale = $domain->getScale();
        $this->size = $domain->getSize();
        $this->sqlType = $domain->getSqlType();
        $this->propelType = $domain->getType();
    }