template_method_and_strategy_pattern.cpp

typedef std::string Record;

class GTAClient {
public:
    virtual ~GTAClient() {}

    virtual bool Filter(const Record&)
    {
        return true;
    }

    virtual bool ProcessRow(const std::string& primary_key) = 0;
};

class MyWorker : public GTAClient {
public:
    virtual bool Filter(const Record&)
    {
        std::cout << "we dont filter any records in MyWork strategy" << std::endl;
        return true;
    }

    virtual bool ProcessRow(const std::string& primary_key)
    {
        std::cout << "the primary key in this row is: " << primary_key << std::endl;
        return true;
    }
};

bool GenericTableAglorithm(const string& table, GTAClient& method)
{
    std::cout << "start processing" << std::endl;
    std::cout << "the table is -> " << table << std::endl;
    method.Filter(Record());
    method.ProcessRow("New_Worker");

    return true;
}

int main()
{
    GenericTableAglorithm("customer", MyWorker());
    _getch();
    return 0;
}