Coverage Summary for Class: Observable (it.polimi.ingsw.utils)

Class	Class, %	Method, %	Line, %
Observable	100% (1/ 1)	100% (7/ 7)	100% (20/ 20)
1 package it.polimi.ingsw.utils;
2 
3 import java.util.ArrayList;
4 import java.util.HashMap;
5 import java.util.List;
6 
7 /**
8  * Custom Observable Class
9  * 
10  * @param <T> type of information that can be observed
11  */
12 public class Observable<T> {
13     /**
14      * Simple observers'list
15      */
16     private List<Observer<T>> observers = new ArrayList<>();
17     /**
18      * Hashmap id-observer, used to send data to a specific observer
19      */
20     private HashMap<String, Observer<T>> signedObserver = new HashMap<>();
21 
22     /**
23      * Add an observer
24      * 
25      * @param observer observer to add
26      */
27     public void addObservers(Observer<T> observer) {
28         observers.add(observer);
29     }
30 
31     /**
32      * Add an observer with a key
33      * 
34      * @param key      key to bind with the observer
35      * @param observer observer to add
36      */
37 
38     public void addObservers(String key, Observer<T> observer) {
39         addObservers(observer);
40         signedObserver.put(key, observer);
41     }
42 
43     /**
44      * Send data to all observers
45      * 
46      * @param message data to send
47      */
48     public void notify(T message) {
49         updateList(observers, message);
50     }
51 
52     /**
53      * Send data to specific observers
54      * 
55      * @param targetList observer id list
56      * @param message    data to send
57      */
58     public void notify(ArrayList<String> targetList, T message) {
59         List<Observer<T>> obsList = new ArrayList<>();
60         signedObserver.forEach((k, v) -> {
61             if (targetList.contains(k))
62                 obsList.add(v);
63         });
64         updateList(obsList, message);
65     }
66 
67     /**
68      * Send data to a observers list
69      * 
70      * @param obsList observer lists
71      * @param message data to send
72      */
73     private void updateList(List<Observer<T>> obsList, T message) {
74         for (Observer<T> observer : obsList)
75             observer.update(message);
76     }
77 }