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2 | 2 |
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3 | 3 | namespace VisitorPattern |
4 | 4 | { |
5 | | -// Visitee |
6 | | -interface IAnimal |
7 | | -{ |
8 | | - void Accept(IAnimalOperation operation); |
9 | | -} |
10 | | - |
11 | | -// Visitor |
12 | | -interface IAnimalOperation |
13 | | -{ |
14 | | - void VisitMonkey(Monkey monkey); |
15 | | - void VisitLion(Lion lion); |
16 | | - void VisitDolphin(Dolphin dolphin); |
17 | | -} |
18 | | - |
19 | | -class Monkey : IAnimal |
20 | | -{ |
21 | | - public void Shout() |
| 5 | + // Visitee |
| 6 | + interface IAnimal |
22 | 7 | { |
23 | | - Console.WriteLine("Oooh o aa aa!"); |
| 8 | + void Accept(IAnimalOperation operation); |
24 | 9 | } |
25 | 10 |
|
26 | | - public void Accept(IAnimalOperation operation) |
| 11 | + // Visitor |
| 12 | + interface IAnimalOperation |
27 | 13 | { |
28 | | - throw new NotImplementedException(); |
| 14 | + void VisitMonkey(Monkey monkey); |
| 15 | + void VisitLion(Lion lion); |
| 16 | + void VisitDolphin(Dolphin dolphin); |
29 | 17 | } |
30 | | -} |
31 | 18 |
|
32 | | -class Lion : IAnimal |
33 | | -{ |
34 | | - public void Roar() |
| 19 | + class Monkey : IAnimal |
35 | 20 | { |
36 | | - Console.WriteLine("Roaar!"); |
37 | | - } |
| 21 | + public void Shout() |
| 22 | + { |
| 23 | + Console.WriteLine("Oooh o aa aa!"); |
| 24 | + } |
38 | 25 |
|
39 | | - public void Accept(IAnimalOperation operation) |
40 | | - { |
41 | | - throw new NotImplementedException(); |
| 26 | + public void Accept(IAnimalOperation operation) |
| 27 | + { |
| 28 | + throw new NotImplementedException(); |
| 29 | + } |
42 | 30 | } |
43 | | -} |
44 | 31 |
|
45 | | -class Dolphin : IAnimal |
46 | | -{ |
47 | | - public void Speak() |
| 32 | + class Lion : IAnimal |
48 | 33 | { |
49 | | - Console.WriteLine("Tuut tittu tuutt!"); |
50 | | - } |
| 34 | + public void Roar() |
| 35 | + { |
| 36 | + Console.WriteLine("Roaar!"); |
| 37 | + } |
51 | 38 |
|
52 | | - public void Accept(IAnimalOperation operation) |
53 | | - { |
54 | | - throw new NotImplementedException(); |
| 39 | + public void Accept(IAnimalOperation operation) |
| 40 | + { |
| 41 | + throw new NotImplementedException(); |
| 42 | + } |
55 | 43 | } |
56 | | -} |
57 | 44 |
|
58 | | -class Speak : IAnimalOperation |
59 | | -{ |
60 | | - public void VisitDolphin(Dolphin dolphin) |
| 45 | + class Dolphin : IAnimal |
61 | 46 | { |
62 | | - dolphin.Speak(); |
63 | | - } |
| 47 | + public void Speak() |
| 48 | + { |
| 49 | + Console.WriteLine("Tuut tittu tuutt!"); |
| 50 | + } |
64 | 51 |
|
65 | | - public void VisitLion(Lion lion) |
66 | | - { |
67 | | - lion.Roar(); |
| 52 | + public void Accept(IAnimalOperation operation) |
| 53 | + { |
| 54 | + throw new NotImplementedException(); |
| 55 | + } |
68 | 56 | } |
69 | 57 |
|
70 | | - public void VisitMonkey(Monkey monkey) |
| 58 | + class Speak : IAnimalOperation |
71 | 59 | { |
72 | | - monkey.Shout(); |
73 | | - } |
74 | | -} |
| 60 | + public void VisitDolphin(Dolphin dolphin) |
| 61 | + { |
| 62 | + dolphin.Speak(); |
| 63 | + } |
75 | 64 |
|
76 | | -class Jump : IAnimalOperation |
77 | | -{ |
78 | | - public void VisitDolphin(Dolphin dolphin) |
79 | | - { |
80 | | - Console.WriteLine("Jumped 20 feet high! on to the tree!"); |
81 | | - } |
| 65 | + public void VisitLion(Lion lion) |
| 66 | + { |
| 67 | + lion.Roar(); |
| 68 | + } |
82 | 69 |
|
83 | | - public void VisitLion(Lion lion) |
84 | | - { |
85 | | - Console.WriteLine("Jumped 7 feet! Back on the ground!"); |
| 70 | + public void VisitMonkey(Monkey monkey) |
| 71 | + { |
| 72 | + monkey.Shout(); |
| 73 | + } |
86 | 74 | } |
87 | 75 |
|
88 | | - public void VisitMonkey(Monkey monkey) |
| 76 | + class Jump : IAnimalOperation |
89 | 77 | { |
90 | | - Console.WriteLine("Walked on water a little and disappeared!"); |
| 78 | + public void VisitDolphin(Dolphin dolphin) |
| 79 | + { |
| 80 | + Console.WriteLine("Walked on water a little and disappeared!"); |
| 81 | + } |
| 82 | + |
| 83 | + public void VisitLion(Lion lion) |
| 84 | + { |
| 85 | + Console.WriteLine("Jumped 7 feet! Back on the ground!"); |
| 86 | + } |
| 87 | + |
| 88 | + public void VisitMonkey(Monkey monkey) |
| 89 | + { |
| 90 | + Console.WriteLine("Jumped 20 feet high! on to the tree!"); |
| 91 | + } |
91 | 92 | } |
92 | | -} |
93 | 93 |
|
94 | 94 |
|
95 | 95 | class Program |
96 | 96 | { |
97 | 97 | static void Main(string[] args) |
98 | 98 | { |
99 | | -var monkey = new Monkey(); |
100 | | -var lion = new Lion(); |
101 | | -var dolphin = new Dolphin(); |
| 99 | + var monkey = new Monkey(); |
| 100 | + var lion = new Lion(); |
| 101 | + var dolphin = new Dolphin(); |
102 | 102 |
|
103 | | -var speak = new Speak(); |
| 103 | + var speak = new Speak(); |
104 | 104 |
|
105 | | -monkey.Accept(speak); // Ooh oo aa aa! |
106 | | -lion.Accept(speak); // Roaaar! |
107 | | -dolphin.Accept(speak); // Tuut tutt tuutt! |
| 105 | + monkey.Accept(speak); // Ooh oo aa aa! |
| 106 | + lion.Accept(speak); // Roaaar! |
| 107 | + dolphin.Accept(speak); // Tuut tutt tuutt! |
108 | 108 |
|
109 | | -var jump = new Jump(); |
| 109 | + var jump = new Jump(); |
110 | 110 |
|
111 | | -monkey.Accept(speak); // Ooh oo aa aa! |
112 | | -monkey.Accept(jump); // Jumped 20 feet high! on to the tree! |
| 111 | + monkey.Accept(speak); // Ooh oo aa aa! |
| 112 | + monkey.Accept(jump); // Jumped 20 feet high! on to the tree! |
113 | 113 |
|
114 | | -lion.Accept(speak); // Roaaar! |
115 | | -lion.Accept(jump); // Jumped 7 feet! Back on the ground! |
| 114 | + lion.Accept(speak); // Roaaar! |
| 115 | + lion.Accept(jump); // Jumped 7 feet! Back on the ground! |
116 | 116 |
|
117 | | -dolphin.Accept(speak); // Tuut tutt tuutt! |
118 | | -dolphin.Accept(jump); // Walked on water a little and disappeared |
| 117 | + dolphin.Accept(speak); // Tuut tutt tuutt! |
| 118 | + dolphin.Accept(jump); // Walked on water a little and disappeared |
119 | 119 |
|
120 | 120 | Console.ReadLine(); |
121 | 121 | } |
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