24 lines
580 B
C#
24 lines
580 B
C#
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public class Subscriber : ISubscriber
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{
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private int _latestIssue = 0;
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public Subscriber(string name)
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{
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Name = name ?? throw new ArgumentNullException(nameof(name));
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}
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public string Name
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{
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get; private set;
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}
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public void Update(IPublisher publisher)
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{
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var concretePublisher = (publisher as Publisher);
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if (concretePublisher.IssueNumber > _latestIssue)
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{
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_latestIssue = concretePublisher.IssueNumber;
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Console.WriteLine($"{Name}: Received Issue {_latestIssue}");
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}
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}
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}
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