Assignment02b

smartHome/input.txt

@@ -0,0 +1,3 @@
+0 5 true
+1 8 true
+1 10 false

smartHome/pom.xml

@@ -0,0 +1,67 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<modelVersion>4.0.0</modelVersion>
+<groupId>org.jacoco</groupId>
+<artifactId>org.jacoco.examples.maven</artifactId>
+<version>0.7.1.201405082137</version>
+<packaging>jar</packaging>
+<name>JaCoCo Maven plug-in example</name>
+<url>http://www.eclemma.org/jacoco</url>
+<dependencies>
+<dependency>
+<groupId>junit</groupId>
+<artifactId>junit</artifactId>
+<version>4.11</version>
+<scope>test</scope>
+</dependency>
+</dependencies>
+<properties>
+<maven.compiler.source>1.8</maven.compiler.source>
+<maven.compiler.target>1.8</maven.compiler.target>
+</properties>
+<build>
+<plugins>
+<plugin>
+<groupId>org.jacoco</groupId>
+<artifactId>jacoco-maven-plugin</artifactId>
+<version>0.7.1.201405082137</version>
+<executions>
+<execution>
+<id>default-prepare-agent</id>
+<goals>
+<goal>prepare-agent</goal>
+</goals>
+</execution>
+<execution>
+<id>default-report</id>
+<phase>prepare-package</phase>
+<goals>
+<goal>report</goal>
+</goals>
+</execution>
+<execution>
+<id>default-check</id>
+<goals>
+<goal>check</goal>
+</goals>
+<configuration>
+<rules>
+<!--  implementation is needed only for Maven 2  -->
+<rule implementation="org.jacoco.maven.RuleConfiguration">
+<element>BUNDLE</element>
+<limits>
+<!--  implementation is needed only for Maven 2  -->
+<limit implementation="org.jacoco.report.check.Limit">
+<counter>COMPLEXITY</counter>
+<value>COVEREDRATIO</value>
+<minimum>0.90</minimum>
+</limit>
+</limits>
+</rule>
+</rules>
+</configuration>
+</execution>
+</executions>
+</plugin>
+</plugins>
+</build>
+</project>

smartHome/src/main/java/com/cnu2016/assignment02/Appliance.java

@@ -0,0 +1,33 @@
+package com.cnu2016.assignment02;
+
+public class Appliance {
+    public enum Type {
+        WATERHEATER, 
+        AIRCONDITIONER, 
+        COOKINGOVEN  
+    };
+    private Type type;
+    private boolean state;
+    private int ID;
+    static int cnt = 0;
+    public Appliance(Type type) {
+        this.state = false;
+        this.ID = cnt++;
+        this.type = type;
+    }
+    public boolean getState() {
+        return state;
+    } 
+    public void start() {
+        state = true;
+    }
+    public void stop() {
+        state = false;
+    }
+    public int getID() {
+        return ID;
+    }
+    public Type getType() {
+        return type;
+    }
+}

smartHome/src/main/java/com/cnu2016/assignment02/BadScheduleException.java

@@ -0,0 +1,7 @@
+package com.cnu2016.assignment02;
+
+public class BadScheduleException extends Exception {
+    public BadScheduleException(String msg) {
+        super(msg);
+    }
+}

smartHome/src/main/java/com/cnu2016/assignment02/Event.java

@@ -0,0 +1,10 @@
+package com.cnu2016.assignment02;
+
+public class Event {
+    int timeStamp;
+    Appliance appliance;
+    public Event(int timeStamp, Appliance appliance) {
+        this.timeStamp = timeStamp;
+        this.appliance = appliance;
+    }
+}

smartHome/src/main/java/com/cnu2016/assignment02/EventGenerator.java

@@ -0,0 +1,40 @@
+package com.cnu2016.assignment02;
+import java.util.*;
+import java.io.*;
+public class EventGenerator { 
+    public static ArrayList<Event> readData(String filename, ArrayList<Appliance> appliances) throws IOException, BadScheduleException {
+
+        boolean state[] = new boolean[appliances.size()];
+        int tim[] = new int[appliances.size()];
+
+        ArrayList<Event> events = new ArrayList<Event>();
+        Scanner in = new Scanner(new FileReader(filename));
+        while(in.hasNext()) {
+            int ID = in.nextInt();
+            int startTime = in.nextInt();
+            boolean newState = in.nextBoolean();
+            if (state[ID] == newState) {
+                in.close();
+                throw new BadScheduleException("Please enter a valid schedule");
+            }
+            else {
+                state[ID] = newState;
+                tim[ID] = startTime;
+            }
+            events.add(new Event(startTime, appliances.get(ID)));
+        }
+        //Explicity shut off all water heaters which were left on 
+        for (int i = 0; i < appliances.size(); ++i) {
+            if (appliances.get(i).getType() == Appliance.Type.WATERHEATER && state[i] == true) {
+                events.add(new Event(tim[i] + 2, appliances.get(i)));
+            }
+        }
+        Collections.sort(events, new Comparator<Event>() {
+            public int compare(Event a, Event b) {
+                return a.timeStamp - b.timeStamp;
+            } 
+        });
+        in.close();
+        return events;
+    }
+}

smartHome/src/main/java/com/cnu2016/assignment02/Main.java

@@ -0,0 +1,35 @@
+package com.cnu2016.assignment02;
+import java.io.*;
+import java.util.*;
+public class Main {
+    public static ArrayList<Appliance> populate() {
+        ArrayList<Appliance> appliances = new ArrayList<Appliance>();
+        appliances.add(new Appliance(Appliance.Type.WATERHEATER));
+        appliances.add(new Appliance(Appliance.Type.AIRCONDITIONER));
+        appliances.add(new Appliance(Appliance.Type.COOKINGOVEN));
+        appliances.add(new Appliance(Appliance.Type.WATERHEATER));
+        return appliances;
+    }
+    public static void main(String args[]) throws IOException, BadScheduleException {
+        ArrayList<Appliance> appliances = populate();
+        ArrayList<Event> events = EventGenerator.readData("/projects/assignments/smartHome/input.txt", appliances);
+        Timer timer = new Timer();
+        events.forEach( e -> {
+            timer.schedule(new TimerTask() {
+                @Override
+                public void run() {
+                    if(e.appliance.getState() == true) {
+                        e.appliance.stop();
+                    }
+                    else {
+                        e.appliance.start();
+                    }
+                    System.out.printf("At time %d\n", e.timeStamp);
+                    appliances.forEach( a -> {
+                        System.out.printf("%d %b\n", a.getID(), a.getState()); 
+                    });
+                }
+            }, e.timeStamp * 1000);
+        });
+    }
+}

smartHome/src/test/java/com/cnu2016/assignment02/ApplicanceTest.java

@@ -0,0 +1,18 @@
+package com.cnu2016.assignment02;
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+public class ApplicanceTest {
+    @Test
+    public void testBasics() {
+        Appliance a = new Appliance(Appliance.Type.WATERHEATER);
+        Appliance b = new Appliance(Appliance.Type.COOKINGOVEN);
+        assertEquals(a.getID() + 1,b.getID());
+        assertEquals(a.getType(), Appliance.Type.WATERHEATER);
+        assertEquals(b.getType(), Appliance.Type.COOKINGOVEN);
+        assertEquals(a.getState(), false);
+        a.start();
+        assertEquals(a.getState(), true);
+        a.stop();
+        assertEquals(a.getState(), false);
+    }
+}

smartHome/src/test/java/com/cnu2016/assignment02/EventGeneratorTest.java

@@ -0,0 +1,46 @@
+package com.cnu2016.assignment02;
+import java.util.*;
+import java.io.*;
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+public class EventGeneratorTest {
+    @Test
+    public void testWaterHeaterAutoShutOff() throws IOException, BadScheduleException {
+        ArrayList<Appliance> appliances = new ArrayList<Appliance>();
+        appliances.add(new Appliance(Appliance.Type.WATERHEATER));
+        String filename = "/projects/assignments/smartHome/src/test/java/testData/testWaterHeaterAutoShutOff.txt";
+        ArrayList<Event> ret = EventGenerator.readData(filename, appliances);
+        assertEquals(ret.size(), 2);
+        assertEquals(ret.get(0).timeStamp, 2);
+        assertEquals(ret.get(1).timeStamp, 4);
+    }
+    @Test
+    public void testBadSchedule() throws IOException {
+        ArrayList<Appliance> appliances = new ArrayList<Appliance>();
+        appliances.add(new Appliance(Appliance.Type.WATERHEATER));
+        String filename = "/projects/assignments/smartHome/src/test/java/testData/testBadScheduleException.txt";
+        try {
+            ArrayList<Event> ret = EventGenerator.readData(filename, appliances);   
+            assertEquals(true, false);
+        }
+        catch (Exception e) {
+            boolean check = (e instanceof BadScheduleException);
+            assertEquals(check, true);
+        }
+    }
+    @Test
+    public void testGoodSchedule() throws IOException {
+        ArrayList<Appliance> appliances = new ArrayList<Appliance>();
+        appliances.add(new Appliance(Appliance.Type.WATERHEATER));
+        appliances.add(new Appliance(Appliance.Type.COOKINGOVEN));
+        appliances.add(new Appliance(Appliance.Type.AIRCONDITIONER));
+        String filename = "/projects/assignments/smartHome/src/test/java/testData/testGoodScheduleException.txt";
+        try {
+            ArrayList<Event> ret = EventGenerator.readData(filename, appliances);   
+        }
+        catch (Exception e) {
+            assertEquals(true, false);
+        }
+    }
+
+}

smartHome/src/test/java/com/cnu2016/assignment02/EventTest.java

@@ -0,0 +1,12 @@
+package com.cnu2016.assignment02;
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+public class EventTest {
+    @Test
+    public void testBasics() {
+        Appliance a = new Appliance(Appliance.Type.WATERHEATER);
+        Event e = new Event(23, a);
+        assertEquals(e.timeStamp, 23);
+        assertEquals(e.appliance.getID(), a.getID());
+    }
+}

smartHome/src/test/java/com/cnu2016/assignment02/MainTest.java

@@ -0,0 +1,15 @@
+package com.cnu2016.assignment02;
+import java.util.*;
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+public class MainTest {
+    @Test
+    public void testPopulate() {
+        ArrayList<Appliance> ret = Main.populate();
+        assertEquals(ret.size(), 4);
+        assertEquals(ret.get(0).getType(), Appliance.Type.WATERHEATER);
+        assertEquals(ret.get(1).getType(), Appliance.Type.AIRCONDITIONER);
+        assertEquals(ret.get(2).getType(), Appliance.Type.COOKINGOVEN);
+        assertEquals(ret.get(3).getType(), Appliance.Type.WATERHEATER);
+    }
+}

smartHome/src/test/java/testData/testBadScheduleException.txt

@@ -0,0 +1 @@
+0 2 false

smartHome/src/test/java/testData/testGoodScheduleException.txt

@@ -0,0 +1,6 @@
+0 2 true
+0 3 false
+0 5 true
+1 7 true
+2 9 true
+0 10 false

smartHome/src/test/java/testData/testWaterHeaterAutoShutOff.txt

@@ -0,0 +1 @@
+0 2 true