strategy_context.h

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// Based on "Design Patterns: Elements of Reusable Object-Oriented Software"
// book by Erich Gamma, John Vlissides, Ralph Johnson, and Richard Helm 
//
// Created by Bartosz Rachwal. The National Institute of Advanced Industrial Science and Technology, Japan.

#ifndef OPERATIONAL_STRATEGY_CONTEXT_H_
#define OPERATIONAL_STRATEGY_CONTEXT_H_

namespace operational
{
namespace strategy
{
template<class AStrategy>
class StrategyContext
{
    public:
    void Operation()
    {
        result_ = strategy_.DoAlgorithm();
    }

    std::string result() const;

    private:
    std::string result_;
    AStrategy strategy_;
};

template<class AStrategy>
std::string StrategyContext<AStrategy>::result() const
{
    return result_;
}
}
}

#endif