-
Notifications
You must be signed in to change notification settings - Fork 0
/
Path.java
84 lines (69 loc) · 1.59 KB
/
Path.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
public class Path {
private int totalWeight, lastWeight;
private Vertex[] arr;
public Path(Vertex v){
arr = new Vertex[1];
arr[0] = v;
totalWeight = 0;
lastWeight = 0;
}
public Path(Path p){
arr = deepCopy(p.getList());
this.totalWeight = p.getTotalWeight();
this.lastWeight = p.getLastWeight();
}
public Path(Path p, Vertex v){
arr = deepCopy(p.getList());
this.totalWeight = p.getTotalWeight();
this.lastWeight = p.getLastWeight();
addVertex(v);
}
public void addVertex(Vertex v){
if (!arr[arr.length-1].getFriends().contains(v)){
return;
}
totalWeight += arr[arr.length-1].getWeight(v);
lastWeight = arr[arr.length-1].getWeight(v);
Vertex[] newArr = new Vertex[arr.length + 1];
for (int i = 0; i < arr.length; i++){
newArr[i] = arr[i];
}
newArr[newArr.length-1] = v;
arr = deepCopy(newArr);
//do I need to deepcopy again?
//or can I just say arr = newArr
}
public int getNumVertices(){
return arr.length;
}
public Vertex getLastVertex(){
return arr[arr.length-1];
}
public Vertex getVertex(int index){
return arr[index];
}
public int getLastWeight(){
return lastWeight;
}
public int getTotalWeight(){
return totalWeight;
}
public Vertex[] getList(){
return arr;
}
private Vertex[] deepCopy(Vertex[] pList){
Vertex[] list = new Vertex[pList.length];
for (int i = 0; i < pList.length; i++){
list[i] = pList[i];
}
return list;
}
public String toString(){
String toReturn = "";
for (Vertex x : arr){
toReturn += x.getName() + " -> ";
}
toReturn += "Distance: " + getTotalWeight();
return toReturn;
}
}