sender_abstraction.h

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#ifndef HEDGEHOG_SENDER_ABSTRACTION_H
#define HEDGEHOG_SENDER_ABSTRACTION_H
 
#include <memory>
#include <utility>
#include <ostream>
 
#include "../../../implementors/implementor/implementor_notifier.h"
#include "../../../implementors/implementor/implementor_sender.h"
#include "../clonable_abstraction.h"
 
namespace hh {
namespace core {
 
namespace abstraction {
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
template<class Input>
class ReceiverAbstraction;
#endif //DOXYGEN_SHOULD_SKIP_THIS
 
template<class Output>
class SenderAbstraction {
 private:
  std::shared_ptr<implementor::ImplementorSender<Output>>
      concreteSender_ = nullptr; 
 
 public:
  explicit SenderAbstraction(std::shared_ptr<implementor::ImplementorSender<Output>> concreteSender)
  : concreteSender_(std::move(concreteSender)) {
    concreteSender_->initialize(this);
  }
 
  virtual ~SenderAbstraction() = default;
 
  [[nodiscard]] std::set<SenderAbstraction<Output> *> const &senders() const { return concreteSender_->senders(); }
 
  [[nodiscard]] std::set<SenderAbstraction<Output> *> &senders() { return concreteSender_->senders(); }
 
  [[nodiscard]] std::set<ReceiverAbstraction<Output> *> const &connectedReceivers() const {
    return concreteSender_->connectedReceivers();
  }
 
  void addReceiver(ReceiverAbstraction<Output> *const receiver) { concreteSender_->addReceiver(receiver); }
 
  void removeReceiver(ReceiverAbstraction<Output> *const receiver) { concreteSender_->removeReceiver(receiver); }
 
  void send(std::shared_ptr<Output> data) { concreteSender_->send(data); }
 
 protected:
  void copyInnerStructure(SenderAbstraction<Output> *copyableCore) {
    this->concreteSender_ = copyableCore->concreteSender_;
  }
 
  void duplicateEdgeSender(std::map<abstraction::NodeAbstraction *, std::shared_ptr<NodeAbstraction>> &mapping) {
    std::shared_ptr<NodeAbstraction> duplicateReceiver;
    auto senderAsNode = dynamic_cast<abstraction::NodeAbstraction *>(this);
    if (!mapping.contains(senderAsNode)) {
      throw std::runtime_error("A node that we are trying to connect is not mapped yet.");
    }
    auto mappedSender = std::dynamic_pointer_cast<SenderAbstraction < Output>>
    (mapping.at(senderAsNode));
    if (mappedSender == nullptr) {
      std::ostringstream oss;
      oss << "The mapped type of a node is not of the right type: Sender<" << hh::tool::typeToStr<Output>() << ">.";
      throw std::runtime_error(oss.str());
    }
 
    for (auto &sender : this->senders()) {
      for (auto &receiver : sender->connectedReceivers()) {
        for (auto &r : receiver->receivers()) {
          if (auto receiverAsNode = dynamic_cast<abstraction::NodeAbstraction *>(r)) {
            if (mapping.contains(receiverAsNode)) {
              auto mappedReceiver = std::dynamic_pointer_cast<ReceiverAbstraction<Output>>(mapping.at(receiverAsNode));
 
              if (mappedReceiver == nullptr) {
                std::ostringstream oss;
                oss
                    << "The mapped type of a node is not of the right type: ReceiverAbstraction<"
                    << hh::tool::typeToStr<Output>() << ">.";
                throw std::runtime_error(oss.str());
              }
 
              mappedSender->addReceiver(mappedReceiver.get());
              mappedReceiver->addSender(mappedSender.get());
            }
          } else {
            throw std::runtime_error("A receiver is not a node when duplicating edges.");
          }
        }
      }
 
    }
 
  }
};
}
}
}
#endif //HEDGEHOG_SENDER_ABSTRACTION_H