senml_string_actuator.h

/*  _  __  ____    _   _ 
 * | |/ / |  _ \  | \ | |
 * | ' /  | |_) | |  \| |
 * | . \  |  __/  | |\  |
 * |_|\_\ |_|     |_| \_|
 * 
 * (c) 2018 KPN
 * License: MIT License.
 * Author: Jan Bogaerts
 * 
 * support for string actuators
 */

#ifndef SENMLSTRINGACTUATOR
#define SENMLSTRINGACTUATOR

#include <senml_string_record.h>

#define STRING_ACTUATOR_SIGNATURE void (*callback)(const char*)

/**
 * A SenMLRecord that stores text data and supports actuation.
 */ 
class SenMLStringActuator: public SenMLStringRecord
{
public:
    SenMLStringActuator(const char* name, STRING_ACTUATOR_SIGNATURE): SenMLStringRecord(name, SENML_UNIT_NONE, NULL), callback(callback) {};
    SenMLStringActuator(const char* name, SenMLUnit unit, STRING_ACTUATOR_SIGNATURE): SenMLStringRecord(name, unit, NULL), callback(callback) {};
    SenMLStringActuator(const char* name, SenMLUnit unit, const char* value, STRING_ACTUATOR_SIGNATURE):  SenMLStringRecord(name, unit, value), callback(callback) {};
    ~SenMLStringActuator(){};

protected:

    /**
     * called while parsing a senml message, when the parser found the value for an SenMLJsonListener
     */
    virtual void actuate(const void* value, int dataLength, SenMLDataType dataType);

private:
    STRING_ACTUATOR_SIGNATURE;
};

#endif // SENMLSTRINGACTUATOR