Changes between Initial Version and Version 1 of examples_from_lect1

Timestamp:

01/21/16 22:42:21 (8 years ago)

Author:

Evgeny Linsky

Comment:

--

examples_from_lect1

@@ +1 @@
+{{{
+#include <stdio.h>
+#include <string.h>
+
+class Worker {
+private:
+        char myName[256];
+public:
+        Worker(const char* name) {
+                strcpy(myName, name);
+        }                
+        
+        virtual int getSalary() = 0;
+        
+        virtual ~Worker() {}
+};
+
+class Developer: public Worker {
+private:
+        int myLevel;
+        int mySalary;
+public:
+        Developer(const char* name, int salary) : Worker(name) {            
+                mySalary = salary;
+                myLevel = 1;
+        }
+        
+        void setLevel(int level) {
+                myLevel = level;
+        }
+        
+        virtual int getSalary() {
+                return mySalary * myLevel;
+        }
+};
+
+class Salesman: public Worker {
+private:
+        double myPercent;
+        int myProductPrice;
+        int myProductQuantity;
+public:
+        Salesman(const char* name, int productPrice, double percent) : Worker(name) {            
+                myProductPrice = productPrice;
+                myPercent = percent;
+                myProductQuantity = 0;
+        }
+
+        void incQuantity() {
+               myProductQuantity++; 
+        }
+                
+        virtual int getSalary() {
+                return myProductPrice * myProductQuantity * myPercent;
+        }
+};
+
+
+class WorkerBase {
+private:     
+        Worker** myWorkers;        
+        int myCapacity;
+        int mySize;
+        
+public:
+        WorkerBase(int capacity) {
+                myCapacity = capacity;
+                mySize = 0;
+                myWorkers = new Worker* [capacity];
+        }        
+ 
+        ~WorkerBase() {
+                //?
+        }
+ 
+       void add(Worker* w) {
+                if(mySize + 1 > myCapacity) {
+                        // ?
+                }         
+                else {
+                        myWorkers[mySize++] = w;        
+                }
+       }
+       
+       int getTotalSalary() {
+                int salary = 0;
+                for(int i = 0; i < mySize; i++) {
+                        salary += myWorkers[i]->getSalary();
+                }
+                return salary;
+       } 
+};
+
+int main() {
+
+        Developer* dev = new Developer("vasya", 2000);
+        dev->setLevel(1);
+        
+        Developer* senior = new Developer("nina", 2000);
+        senior->setLevel(2);
+        
+        Salesman* sale = new Salesman("petya", 1000, 0.1);
+        sale->incQuantity();
+        sale->incQuantity();
+        sale->incQuantity();                
+
+        WorkerBase wb(100);
+        wb.add(dev);
+        wb.add(senior);
+        wb.add(sale);
+        
+        printf("%d\n", wb.getTotalSalary());
+
+        return 0;
+}
+}}}