boolean_exp_interface.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_INTERPRETER_BOOLEAN_EXP_INTERFACE_H_
#define OPERATIONAL_INTERPRETER_BOOLEAN_EXP_INTERFACE_H_

#include "interpreter_context_interface.h"

#include <string>

namespace operational
{
namespace interpreter
{
class BooleanExpInterface
{
    public:
    virtual ~BooleanExpInterface() { };

    virtual bool Evaluate(InterpreterContextInterface& context) = 0;
    virtual BooleanExpInterface *Replace(const std::string& name, BooleanExpInterface& expression) = 0;
    virtual BooleanExpInterface *Copy() const = 0;
};
}
}

#endif