Output.h

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#ifndef OUTPUT_H_
#define OUTPUT_H_


#include <string>
#include <cassert>

#include "OneInputGate.h"
#include "Event.h"
#include "LogicFunctions.h"

// may as well be inherited from OneInputGate
class Output: public OneInputGate {

public: 
  Output(size_t id, const std::string& outputName, const std::string& inputName)
    : OneInputGate (id, BUF(), outputName, inputName, 0l)
  {}



  Output (const Output & that) 
    : OneInputGate (that) {}


  virtual Output* clone () const {
    return new Output (*this);
  }

  virtual const std::string getGateName() const {
    return "Output";
  }
  
protected:

  virtual LogicVal evalOutput() const {
    return this->BaseOneInputGate::inputVal;
  }

  virtual void execEvent(Graph& g, GNode& myNode, const EventTy& event) {

     if (event.getType() == EventTy::NULL_EVENT) {
       // do nothing
     } else {
       // update the inputs of fanout gates
       const LogicUpdate& lu = (LogicUpdate) event.getAction();
       if (this->BaseOneInputGate::inputName == (lu.getNetName())) {
         this->BaseOneInputGate::inputVal = lu.getNetVal();
         this->BaseOneInputGate::outputVal = this->BaseOneInputGate::inputVal;

       } else {
         LogicGate::netNameMismatch(lu);
       }

     }
  }

};

#endif /* OUTPUT_H_ */

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