AnswerTransformer.h

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/*
 * This file is part of KnowRob, please consult
 * https://github.com/knowrob/knowrob for license details.
 */
 
#ifndef KNOWROB_ANSWER_TRANSFORMER_H
#define KNOWROB_ANSWER_TRANSFORMER_H
 
#include <knowrob/queries/Answer.h>
#include <knowrob/queries/TokenBroadcaster.h>
 
#include <utility>
 
namespace knowrob {
    class AnswerTransformer : public TokenBroadcaster {
    public:
        explicit AnswerTransformer() : TokenBroadcaster() {}
 
        virtual TokenPtr transform(const TokenPtr &tok) = 0;
 
    protected:
 
        // Override AnswerStream
        void push(const TokenPtr &tok) override { TokenBroadcaster::push(transform(tok)); }
    };
 
} // knowrob
 
#endif //KNOWROB_ANSWER_TRANSFORMER_H