PDate class:

- Manege timeline of simulation

Signed-off-by: HeshamTB <hishaminv@gmail.com>

src/PDate.java

@@ -0,0 +1,103 @@
+import java.util.Calendar;
+import java.util.Date;
+
+/**
+ * Class to manage and track timeline of Hajj-Simulation
+ */
+public class PDate extends Calendar {
+
+    private final Calendar startCalendar = Calendar.getInstance();
+    private final Calendar endCalendar= Calendar.getInstance();
+    private final Calendar currentCalendar = Calendar.getInstance();
+    private boolean ended;
+
+    public PDate(){
+        startCalendar.set(2020,0,15,13,0,0);
+        endCalendar.set(2020,0,15,20,0,0);
+        currentCalendar.setTime(startCalendar.getTime());
+    }
+
+    public PDate(Calendar startCalendar, Calendar endCalendar){
+        this.startCalendar.setTime(startCalendar.getTime());
+        this.endCalendar.setTime(endCalendar.getTime());
+        currentCalendar.setTime(startCalendar.getTime());
+    }
+
+    public Calendar getStartCalendar() {
+        return startCalendar;
+    }
+
+    public Calendar getEndCalendar() {
+        return endCalendar;
+    }
+
+    public Calendar getCurrentCalendar() {
+        return currentCalendar;
+    }
+
+    public Date getStartTime() {
+        return startCalendar.getTime();
+    }
+
+    public Date getEndTime(){
+        return endCalendar.getTime();
+    }
+
+    public Date getCurrentTime() {
+        return currentCalendar.getTime();
+    }
+
+    public void step(int key, int value){
+        if (currentCalendar.before(endCalendar)){
+            currentCalendar.add(key, value);
+        }
+        else if (currentCalendar.after(endCalendar) || currentCalendar.equals(endCalendar)) {
+            ended = true;
+        }
+
+    }
+
+    public boolean isEnded(){
+        return ended;
+    }
+
+    @Override
+    protected void computeTime() {
+
+    }
+
+    @Override
+    protected void computeFields() {
+
+    }
+
+    @Override
+    public void add(int i, int i1) {
+
+    }
+
+    @Override
+    public void roll(int i, boolean b) {
+
+    }
+
+    @Override
+    public int getMinimum(int i) {
+        return 0;
+    }
+
+    @Override
+    public int getMaximum(int i) {
+        return 0;
+    }
+
+    @Override
+    public int getGreatestMinimum(int i) {
+        return 0;
+    }
+
+    @Override
+    public int getLeastMaximum(int i) {
+        return 0;
+    }
+}