Created
February 9, 2016 21:00
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C# implementation of composition > inheritance "MurderRobotDog"
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| using System; | |
| namespace MurderRobotDog | |
| { | |
| interface IBarker | |
| { | |
| void Bark(); | |
| } | |
| class FriendlyBarker : IBarker | |
| { | |
| private readonly string _name; | |
| public FriendlyBarker( string name ) | |
| { | |
| _name = name; | |
| } | |
| public void Bark() | |
| { | |
| Console.WriteLine( $"Woof, I am {_name}" ); | |
| } | |
| } | |
| interface IBarkerFactory | |
| { | |
| IBarker GetBarker( string name ); | |
| } | |
| class FriendlyBarkerFactory : IBarkerFactory | |
| { | |
| public IBarker GetBarker( string name ) | |
| { | |
| return new FriendlyBarker( name ); | |
| } | |
| } | |
| } |
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| namespace MurderRobotDog | |
| { | |
| interface IDriver | |
| { | |
| void Drive(); | |
| } | |
| class ConstantSpeedDriver : IDriver | |
| { | |
| private DriverInfoModel _info; | |
| public ConstantSpeedDriver( DriverInfoModel info ) | |
| { | |
| _info = info; | |
| } | |
| public void Drive() | |
| { | |
| _info.Position = _info.Position + _info.Speed; | |
| } | |
| } | |
| interface IDriverFactory | |
| { | |
| IDriver GetDriver( DriverInfoModel info ); | |
| } | |
| class ConstantSpeedDriverFactory : IDriverFactory | |
| { | |
| public IDriver GetDriver( DriverInfoModel info ) | |
| { | |
| return new ConstantSpeedDriver( info ); | |
| } | |
| } | |
| } |
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| namespace MurderRobotDog | |
| { | |
| public class DriverInfoModel | |
| { | |
| public double Position | |
| { | |
| get; | |
| set; | |
| } | |
| public double Speed | |
| { | |
| get; | |
| set; | |
| } | |
| } | |
| } |
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| namespace MurderRobotDog | |
| { | |
| interface IMurderer | |
| { | |
| void Murder(); | |
| } | |
| class Murderer : IMurderer | |
| { | |
| public void Murder() | |
| { | |
| //Do murderous things | |
| } | |
| } | |
| interface IMurdererFactory | |
| { | |
| IMurderer GetMurderer(); | |
| } | |
| class DefaultMurdererFactory : IMurdererFactory | |
| { | |
| public IMurderer GetMurderer() | |
| { | |
| return new Murderer(); | |
| } | |
| } | |
| } |
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| namespace MurderRobotDog | |
| { | |
| class MurderRobotDog : IBarker, IDriver, IMurderer | |
| { | |
| private readonly IBarker _barker; | |
| private readonly IDriver _driver; | |
| private readonly IMurderer _murderer; | |
| public MurderRobotDog( IBarkerFactory barkerFactory, IDriverFactory driverFactory, IMurdererFactory murdererFactory, string name ) | |
| { | |
| _barker = barkerFactory.GetBarker( name ); | |
| _driver = driverFactory.GetDriver( new DriverInfoModel { Position = 0, Speed = 100 } ); | |
| _murderer = murdererFactory.GetMurderer(); | |
| } | |
| public void Murder() | |
| { | |
| _murderer.Murder(); | |
| } | |
| public void Bark() | |
| { | |
| _barker.Bark(); | |
| } | |
| public void Drive() | |
| { | |
| _driver.Drive(); | |
| } | |
| } | |
| } |
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| namespace MurderRobotDog | |
| { | |
| class Program | |
| { | |
| static void Main( string[] args ) | |
| { | |
| var mrd = new MurderRobotDog( new FriendlyBarkerFactory(), | |
| new ConstantSpeedDriverFactory(), | |
| new DefaultMurdererFactory(), "Rufus" ); | |
| mrd.Bark(); | |
| } | |
| } | |
| } |
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