#ifndef __DSENT_MODEL_OPTICALGRAPH_OPTICALMODULATOR_H__
#define __DSENT_MODEL_OPTICALGRAPH_OPTICALMODULATOR_H__

#include "model/optical_graph/OpticalNode.h"
#include "util/CommonType.h"

namespace DSENT
{
    class OpticalTransmitter;
    
    class OpticalModulator : public OpticalNode
    {
        public:
            OpticalModulator(const String& instance_name_, OpticalModel* model_, const WavelengthGroup& wavelengths_, bool opt_loss_, OpticalTransmitter* transmitter_);
            ~OpticalModulator();

        public:
            // Set losses
            void setLosses(double IL_dB_, double ER_dB_);        
            // Tell the modulator to set a new insertion loss and extinction ratio
            bool setModulatorSpec(double IL_dB_, double ER_dB_);
            // Get modulator insertion loss
            double getInsertionLoss() const;
            // Get modulator extinction ratio
            double getExtinctionRatio() const;
            // Ask whether the model is able to optimize for insertion loss
            // and extinction ratios
            bool canOptimizeLoss() const;
            // Ask the modulator for its power at a given utilization
            double getPower(double util_) const;
        
        private:
            // Disable copy constructor
            OpticalModulator(const OpticalModulator& node_);
        
        private:
            // Optical sender of the modulator
            OpticalTransmitter* m_transmitter_;
            // Insertion loss of the modulator
            double m_insertion_loss_;
            // Extinction ratio of the modulator
            double m_extinction_ratio_;
            // Whether the modulator can be optimized
            bool m_opt_loss_;
        
    };
    
} // namespace DSENT

#endif // __DSENT_MODEL_OPTICALGRAPH_OPTICALMODULATOR_H__