Completed assignement ~ Christopher

src/main/java/com/github/curriculeon/Classroom.java

@@ -0,0 +1,36 @@
+package com.github.curriculeon;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Classroom  {
+    Students students;
+    Instructors instructors;
+
+    public Classroom(){
+        this(Students.getINSTANCE(),Instructors.getINSTANCE());
+    }
+
+    public Classroom(Students students, Instructors instructors) {
+        this.students = students;
+        this.instructors = instructors;
+
+    }
+
+    public void hostLecture(Teacher teacher, double numOfHours){
+        teacher.lecture(students.toArray(),numOfHours);
+    }
+
+    public void hostLecture(long id, double numberOfHours){
+      hostLecture(instructors.findById(id), numberOfHours);
+ }
+
+   public Map<Student,Double> getStudyMap(){
+        Map<Student,Double> tempMapping = new HashMap<Student,Double>();
+        Student[] tempStudents = new Student[students.count()];
+        tempStudents =  students.toArray();
+       for (Student student: tempStudents)
+           tempMapping.put(student,student.getTotalStudyTime());
+       return tempMapping;
+    }
+}

src/main/java/com/github/curriculeon/Educator.java

@@ -0,0 +1,39 @@
+package com.github.curriculeon;
+
+public enum Educator implements Teacher{
+    Leon(0.0),
+    Haseeb(0.0);
+    private final long id;
+    private final String name;
+    private final Instructor teacher;
+    private double timeWorked = 0;
+
+    Educator(double timeWorked) {
+        this.id = this.ordinal();
+        this.name = this.name();
+        teacher = new Instructor(id,name);
+    }
+
+    @Override
+    public void teach(Learner learner, double numberOfHours) {
+        this.teacher.teach(learner,numberOfHours);
+        timeWorked+=numberOfHours;
+    }
+
+    @Override
+    public void lecture(Learner[] learners, double numberOfHours) {
+        this.teacher.lecture(learners,numberOfHours);
+    }
+
+    public double getTimeWorked() {
+        return timeWorked;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public long getId() {
+        return id;
+    }
+}

src/main/java/com/github/curriculeon/Instructor.java

@@ -0,0 +1,20 @@
+package com.github.curriculeon;
+
+public class Instructor extends Person implements Teacher {
+    Instructor(long id, String name) {
+        super(id, name);
+    }
+
+    @Override
+    public void teach(Learner learner, double numberOfHours) {
+        learner.learn(numberOfHours);
+    }
+
+    @Override
+    public void lecture(Learner[] learners, double numberOfHours) {
+        double numberOfHoursPerLearner = numberOfHours / learners.length;
+        for (Learner learner : learners){
+            this.teach(learner,numberOfHoursPerLearner);
+        }
+    }
+}

src/main/java/com/github/curriculeon/Instructors.java

@@ -0,0 +1,33 @@
+package com.github.curriculeon;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.function.Consumer;
+
+public final class Instructors extends People <Instructor> {
+    private final static Instructors INSTANCE = new Instructors();
+    private People<Instructor> instructors;
+
+    private Instructors(){
+        final Instructor leon = new Instructor(Educator.Leon.getId(),Educator.Leon.getName());
+        final Instructor haseeb = new Instructor(Educator.Haseeb.getId(),Educator.Haseeb.getName());
+        this.add(leon);
+        this.add(haseeb);
+    }
+
+    public static Instructors getINSTANCE() {
+        return INSTANCE;
+    }
+
+    @Override
+    public Instructor[] toArray() {
+        Instructor[] tempArray = new Instructor[this.instructors.count()];
+        int i = 0;
+        for (Instructor instructor : this) {
+            tempArray[i] = instructor;
+            i++;
+        }
+        return tempArray ;
+    }
+}

src/main/java/com/github/curriculeon/Learner.java

@@ -0,0 +1,10 @@
+package com.github.curriculeon;
+
+public interface Learner {
+    long getId();
+    String getName();
+    void learn(double numberOfHours);
+    Double getTotalStudyTime();
+    void setName(String name);
+
+}

src/main/java/com/github/curriculeon/People.java

@@ -0,0 +1,68 @@
+package com.github.curriculeon;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+public abstract class People <PersonType extends Person> implements  Iterable<PersonType>  {
+    private final List<PersonType> personList;
+
+    public  People(List<PersonType> personList){
+        this.personList = personList;
+    }
+
+    public People(){
+        this(new ArrayList<PersonType>());
+    }
+
+
+    public void add(PersonType person){
+        personList.add(person);
+    }
+
+    public PersonType findById(long id){
+        for(PersonType person: this.personList){
+            if(person.getId() == id)
+                return person;
+        }
+        return null;
+    }
+    public boolean contains(PersonType person){
+        return personList.contains(person);
+    }
+    public void remove(PersonType person) {
+        personList.remove(person);
+    }
+
+    public void remove(long id){
+        for(PersonType person: personList){
+            if(person.getId() == id) {
+                personList.remove(person);
+                return;
+            }
+        }
+    }
+    public void removeAll(){
+        this.personList.clear();
+    }
+
+    public int count(){
+        return personList.size();
+    }
+
+    public abstract PersonType[] toArray();
+
+    @Override
+    public Iterator<PersonType> iterator() {
+        return personList.iterator();
+    }
+
+
+
+
+
+
+
+
+
+}

src/main/java/com/github/curriculeon/Person.java

@@ -1,5 +1,27 @@
 package com.github.curriculeon;
 
 public class Person {
+    private final long id;
+    private String name;
+    Person(long id, String name){
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+
+
+
 
 }

src/main/java/com/github/curriculeon/Student.java

@@ -0,0 +1,22 @@
+package com.github.curriculeon;
+
+public class Student extends Person implements Learner {
+    private double totalStudyTime;
+
+    public Student(long id, String name) {
+        super(id, name);
+    }
+
+    @Override
+    public void learn(double numberOfHours) {
+        this.totalStudyTime+=numberOfHours;
+
+    }
+
+    @Override
+    public Double getTotalStudyTime() {
+        return this.totalStudyTime;
+    }
+
+}
+

src/main/java/com/github/curriculeon/Students.java

@@ -0,0 +1,35 @@
+package com.github.curriculeon;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Spliterator;
+import java.util.function.Consumer;
+
+public final class Students extends People<Student> {
+
+    final static Students INSTANCE = new Students();
+    private Students(){
+        Student student1 = new Student(1, "Marcus");
+        Student student2 = new Student(2, "Yuru");
+        Student student3 = new Student(3,"David");
+        this.add(student1);
+        this.add(student2);
+        this.add(student3);
+    }
+
+    public static Students getINSTANCE() {
+        return INSTANCE;
+    }
+
+    @Override
+    public Student[] toArray() {
+        Student[] tempArray = new Student[this.count()];
+        int i = 0;
+        for (Student student : this) {
+            tempArray[i] = student;
+            i++;
+        }
+        return tempArray ;
+    }
+
+}

src/main/java/com/github/curriculeon/Teacher.java

@@ -0,0 +1,6 @@
+package com.github.curriculeon;
+
+public interface Teacher {
+    void teach(Learner learner, double numberOfHours);
+    void lecture(Learner[] learners, double numberOfHours);
+}

src/test/java/com/github/curriculeon/TestClassroom.java

@@ -0,0 +1,23 @@
+package com.github.curriculeon;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class TestClassroom {
+
+    @Test
+    public void testHostLecture(){
+        Classroom classroom = new Classroom();
+        Instructor leon = new Instructor(1, "Leon");
+        classroom.hostLecture(leon,9);
+        Student student = classroom.students.findById(1);
+        double expected = 3;
+        Map<Student,Double> tempMap = classroom.getStudyMap();
+        double actual = tempMap.get(student);
+        Assert.assertEquals(actual,expected,0.0);
+
+    }
+}

src/test/java/com/github/curriculeon/TestEducator.java

@@ -0,0 +1,17 @@
+package com.github.curriculeon;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestEducator {
+
+    @Test
+    public void testConstructor(){
+        Instructors instructors = Instructors.getINSTANCE();
+        Educator educator = Educator.Haseeb;
+        double actual = educator.getTimeWorked();
+        Assert.assertEquals(actual,0.0,0.0);
+
+
+    }
+}