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| 1 | +namespace exs28; |
| 2 | +/* |
| 3 | +╔══════════════════════════════════════╗ |
| 4 | +║ Autor: Kenys Alvarado ║ |
| 5 | +║ GitHub: https://github.com/Kenysdev ║ |
| 6 | +║ 2024 - C# ║ |
| 7 | +╚══════════════════════════════════════╝ |
| 8 | +----------------------------------------------------- |
| 9 | +* SOLID: PRINCIPIO DE SEGREGACIÓN DE INTERFACES (ISP) |
| 10 | +----------------------------------------------------- |
| 11 | +- Una clase no debería estar obligada a implementar interfaces que no utiliza. |
| 12 | + Evitando crear grandes clases monolíticas. |
| 13 | +*/ |
| 14 | + |
| 15 | +// NOTA: Este ejemplo muestra el uso CORRECTO. Para suponer un ejemplo que viole el principio, sería. |
| 16 | +// Imaginar todos los métodos siguientes, en una sola interfaz, entonces algunos animales |
| 17 | +// implementarían una interfaz que no utilizarían. |
| 18 | + |
| 19 | +public interface IFlyable |
| 20 | +{ |
| 21 | + void Fly(); |
| 22 | +} |
| 23 | + |
| 24 | +public interface ISwimmable |
| 25 | +{ |
| 26 | + void Swim(); |
| 27 | +} |
| 28 | + |
| 29 | +// ____________________________ |
| 30 | +// Implementar |
| 31 | +public class Fish : ISwimmable |
| 32 | +{ |
| 33 | + public void Swim() |
| 34 | + { |
| 35 | + Console.WriteLine("El pez está nadando."); |
| 36 | + } |
| 37 | +} |
| 38 | + |
| 39 | +public class Duck : IFlyable, ISwimmable |
| 40 | +{ |
| 41 | + public void Fly() |
| 42 | + { |
| 43 | + Console.WriteLine("El pato está volando."); |
| 44 | + } |
| 45 | + |
| 46 | + public void Swim() |
| 47 | + { |
| 48 | + Console.WriteLine("El pato está nadando."); |
| 49 | + } |
| 50 | +} |
| 51 | + |
| 52 | +/* |
| 53 | +_______________ |
| 54 | + * EJERCICIO: |
| 55 | + * Crea un gestor de impresoras. |
| 56 | + * Requisitos: |
| 57 | + * 1. Algunas impresoras sólo imprimen en blanco y negro. |
| 58 | + * 2. Otras sólo a color. |
| 59 | + * 3. Otras son multifunción, pueden imprimir, escanear y enviar fax. |
| 60 | + * Instrucciones: |
| 61 | + * 1. Implementa el sistema, con los diferentes tipos de impresoras y funciones. |
| 62 | + * 2. Aplica el ISP a la implementación. |
| 63 | + * 3. Desarrolla un código que compruebe que se cumple el principio. |
| 64 | +*/ |
| 65 | + |
| 66 | +public interface IPrinter |
| 67 | +{ |
| 68 | + void PrintFile(string file); |
| 69 | +} |
| 70 | + |
| 71 | +public interface IScanner |
| 72 | +{ |
| 73 | + void ToScan(string pathSave); |
| 74 | +} |
| 75 | + |
| 76 | +public interface IFax |
| 77 | +{ |
| 78 | + void SendFile(string file, int phoneNumber); |
| 79 | +} |
| 80 | + |
| 81 | +// ____________________________ |
| 82 | +// Implementar |
| 83 | +public class MonoPrinter : IPrinter |
| 84 | +{ |
| 85 | + public void PrintFile(string file) |
| 86 | + { |
| 87 | + Console.WriteLine("\nImpresora blanco y negro:"); |
| 88 | + Console.WriteLine(file + " se imprimió."); |
| 89 | + } |
| 90 | +} |
| 91 | + |
| 92 | +public class ColorPrinter : IPrinter |
| 93 | +{ |
| 94 | + public void PrintFile(string file) |
| 95 | + { |
| 96 | + Console.WriteLine("\nImpresora a color:"); |
| 97 | + Console.WriteLine(file + " se imprimió."); |
| 98 | + } |
| 99 | +} |
| 100 | + |
| 101 | +public class Scanner : IScanner |
| 102 | +{ |
| 103 | + public void ToScan(string pathSave) |
| 104 | + { |
| 105 | + Console.WriteLine("\nEscaneo realizado, Guardado en: " + pathSave); |
| 106 | + } |
| 107 | +} |
| 108 | + |
| 109 | +public class Fax : IFax |
| 110 | +{ |
| 111 | + public void SendFile(string file, int phoneNumber) |
| 112 | + { |
| 113 | + Console.WriteLine("\n-" + file + " Fue enviado a: " + phoneNumber); |
| 114 | + } |
| 115 | +} |
| 116 | + |
| 117 | +public class MultiFunctionPrinter |
| 118 | +{ |
| 119 | + public MonoPrinter monoPrinter = new(); |
| 120 | + public ColorPrinter colorPrinter = new(); |
| 121 | + public Scanner theScanner = new(); |
| 122 | + public Fax fax = new(); |
| 123 | +} |
| 124 | + |
| 125 | +//__________________ |
| 126 | +public class Program |
| 127 | +{ |
| 128 | + static void Main() |
| 129 | + { |
| 130 | + Fish theFish = new(); |
| 131 | + Duck theDuck = new(); |
| 132 | + theFish.Swim(); |
| 133 | + theDuck.Swim(); |
| 134 | + theDuck.Fly(); |
| 135 | + |
| 136 | + //___________________________ |
| 137 | + // exs 2 |
| 138 | + MonoPrinter monoPrinter = new(); |
| 139 | + monoPrinter.PrintFile("filex.pdf"); |
| 140 | + |
| 141 | + ColorPrinter colorPrinter = new(); |
| 142 | + colorPrinter.PrintFile("filex.pdf"); |
| 143 | + |
| 144 | + Scanner theScanner = new (); |
| 145 | + theScanner.ToScan("c:\\docs"); |
| 146 | + |
| 147 | + Fax fax = new(); |
| 148 | + fax.SendFile("filex.pdf", 12345678); |
| 149 | + |
| 150 | + Console.WriteLine("\n___________\nMultifunción:"); |
| 151 | + |
| 152 | + MultiFunctionPrinter multiFunctionPrinter = new(); |
| 153 | + multiFunctionPrinter.monoPrinter.PrintFile("filex.pdf"); |
| 154 | + multiFunctionPrinter.colorPrinter.PrintFile("filex.pdf"); |
| 155 | + multiFunctionPrinter.theScanner.ToScan("c:\\docs"); |
| 156 | + multiFunctionPrinter.fax.SendFile("filex.pdf", 12345678); |
| 157 | + |
| 158 | + } |
| 159 | +} |
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