8. A. Write the definitions of the functions setWaitingTime, getArrivalTime, get

Question

8. A. Write the definitions of the functions setWaitingTime, getArrivalTime, getTransactionTime, and getCustomerNumber of the class customerType defined in the section, “Application of Queues: Simulation.”

B. Write the definitions of the functions getRemainingTransactionTime, setCurrentCustomer, getCurrentCustomerNumber, getCurrentCustomerArrivalTime, getCurrentCustomerWaitingTime, and getCurrentCustomerTransactionTime of class serverType defined in the section, “Application of Queues: Simulation.”

C. Write the definition of the function runSimulation to complete the design of the computer simulation program (see the section, “Application of Queues: Simulation”). Test run your program for a variety of data. Moreover, use a random number generator to decide whether a customer arrived at a given time unit.

Explanation / Answer

is this the class u are asking for ? #include #include #include using namespace std; //**************** customerType **************** class customerType { public: customerType(int customerN = 0, int arrvTime = 0, int wTime = 0, int tTime = 0); //constructor to initialize the data members //according to the parameters //In the object declaration if no value is specified, //the default is assigned. //Postcondition: customerNumber = customerN; // arrivalTime = arrvTime; // waitingTime = wTime; // transactionTime = tTime void setCustomerInfo(int customerN, int arrvTime, int wTime, int tTime); //Function to set the data members according //to the parameters. //Postcondition: customerNumber = customerN; // arrivalTime = arrvTime; // waitingTime = wTime; // transactionTime = tTime int getWaitingTime() const; //Function to return the waiting time of a customer. //Postcondition: The value of waitingTime is returned. void setWaitingTime(int time); //Function to set the waiting time of a customer. //Postcondition: waitingTime = time void incrementWaitingTime(); //Function to increment the waiting time. //Postcondition: waitingTime++ int getArrivalTime(); //Function to return the arrival time of a customer. //Postcondition: The value of arrivalTime is returned. int getTransactionTime(); //Function to return the transaction time of a customer. //Postcondition: The value of transactionTime is returned. int getCustomerNumber(); //Function to return the customer number. //Postcondition: The value of customerNumber is returned. private: int customerNumber; int arrivalTime; int waitingTime; int transactionTime; }; //************* serverType **************** class serverType { public: serverType(); //default constructor //Set the values of the data members to their default //values. //Postcondition: currentCustomer is initialized by its // default constructor; status = "free"; // the transaction time is initialized to 0. bool isFree() const; //Function to determine whether a server is free. //Postcondition: Returns true if the server is free; // otherwise, returns false. void setBusy(); //Function to set the status of a server to "busy". //Postcondition: status = "busy" void setFree(); //Function to set the status of a server to "free". //Postcondition: status = "free" void setTransactionTime(int t); //Function to set the transaction time according //to the parameter t. //Postcondition: transactionTime = t void setTransactionTime(); //Function to set the transaction time according //to the transaction time of the current customer. //Postcondition: // transactionTime = currentCustomer.transactionTime int getRemainingTransactionTime(); //Function to return the remaining transaction time. //Postcondition: The value of the data member // transactionTime is returned. void decreaseTransactionTime(); //Function to decrease the transaction time by 1. //Postcondition: transactionTime-- void setCurrentCustomer(customerType cCustomer); //Function to set the info of the current customer //according to the parameter cCustomer. //Postcondition: currentCustomer = cCustomer int getCurrentCustomerNumber(); //Function to return the customer number of the //current customer. //Postcondition: The value of the data member // customerNumber of the current customer // is returned. int getCurrentCustomerArrivalTime(); //Function to return the arrival time of the current customer. //Postcondition: The value of the data member arrivalTime // of the current customer is returned. int getCurrentCustomerWaitingTime(); //Function to return the current waiting time of the //current customer. //Postcondition: The value of the data member // waitingTime of the current // customer is returned. int getCurrentCustomerTransactionTime(); //Function to return the transaction time of the //current customer. //Postcondition: The value of the data member // transactionTime of the current customer // is returned. private: customerType currentCustomer; string status; int transactionTime; }; class serverListType { public: serverListType(int num = 1); //constructor to initialize a list of servers //Postcondition: numOfServers = num // A list of servers, specified by num, is created. // If no value is specified for num, its default // value is assumed ~serverListType(); //destructor //Postcondition: The list of servers is destroyed. int getFreeServerID(); //Function to search the list of servers. //Postcondition: If a free server is found, return its ID; // otherwise, return -1. int getNumberOfBusyServers(); //Function to return the number of busy servers. //Postcondition: The number of busy servers is returned. void setServerBusy(int serverID, customerType cCustomer, int tTime); //Function to set a server to "busy". //Postcondition: To serve the customer specified by // cCustomer the server specified by serverID is set // to busy, and the transaction time is set according // to the parameter tTime. void setServerBusy(int serverID, customerType cCustomer); //Function to set a server to busy. //Postcondition: To serve the customer specified by // cCustomer, the server specified by serverID is // set to "busy", and the transaction time is set // according to the customer’s transaction time. void updateServers(); //Function to update the transaction time of each //busy server. //Postcondition: The transaction time of each busy // server is decremented by one time unit. If the // transaction time of a busy server is reduced to // zero, the server is set to free and a message // indicating which customer was served, together // with the customer's departing time, is printed // on the screen. void updateServers(ofstream& outFile); //Function to update the transaction time of each //busy server. //Postcondition: The transaction time of each busy // server is decremented by one time unit. If the // transaction time of a busy server is reduced to // zero, the server is set to free and a message // indicating which customer was served, together // with the customer's departing time, is sent to // a file. private: int numOfServers; serverType *servers; };

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