small changes

.gradle/buildOutputCleanup/cache.properties

@@ -1,2 +1,2 @@
-#Wed Feb 19 20:29:41 CET 2020
-gradle.version=6.0.1
+#Thu Feb 20 16:16:13 CET 2020
+gradle.version=6.2

.idea/misc.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_12" project-jdk-name="12.0.1" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="false" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

backend.iml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Device.java

@@ -2,6 +2,8 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import com.google.gson.annotations.Expose;
 
+import java.util.concurrent.atomic.AtomicLong;
+
 //Rules
 
 /**
@@ -17,7 +19,7 @@ public abstract class Device {
         OUTPUT
     }
 
-    private static long nextId = 1;
+    private static AtomicLong nextId = new AtomicLong(1);
 
     /**
      * Device identifier
@@ -49,10 +51,7 @@ public abstract class Device {
     }
 
     public Device(String kind, FlowType flowType) {
-        synchronized (Device.class) {
-            this.id = nextId;
-            nextId++;
-        }
+        this.id = nextId.getAndIncrement();
         this.kind = kind;
         this.flowType = flowType;
         this.name = kind + " " + this.id;

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/DimmableLight.java

@@ -14,6 +14,9 @@ public class DimmableLight extends Light implements DimmableOutput {
 
     @Override
     public void dimTo(int level) {
+        if(level<0 || level>100){
+            throw new java.lang.Error("The intensity level can't go below 0 or above 100");
+        }
         intensity = level;
     }
 }

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Room.java

@@ -0,0 +1,27 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+import java.util.*;
+
+public class Room {
+    private ArrayList<Device> devices;
+
+    //Constructor
+    public Room(){
+        this.devices=new ArrayList<Device>();
+    }
+
+    //add a device to the list
+    public void addDevice(Device device){
+        if(!this.devices.contains(device)){
+            this.devices.add(device);
+        }
+    }
+
+    //remove a certain device from the Room
+    public void removeDevice(Device device){
+        int a=this.devices.indexOf(device);
+        if(a!=-1) {
+            this.devices.remove(a);
+        }
+    }
+
+}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/house.java

@@ -0,0 +1,29 @@
+package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
+
+import java.util.ArrayList;
+
+public class house {
+    //a list of the rooms present in the house
+    private ArrayList<Room> rooms;
+
+    //Constructor
+    public house(){
+        this.rooms=new ArrayList<Room>();
+    }
+
+    //this method add a Room to the house
+    public void addRoom(Room room){
+        if(!this.rooms.contains(room)) {
+            this.rooms.add(room);
+        }
+    }
+
+    //this method removes the given room if it is present in the house
+    public void remove(Room room){
+        int a=this.rooms.indexOf(room);
+        if(a!=-1) {
+            this.rooms.remove(a);
+        }
+    }
+
+}