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using System;
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using System.Collections.Generic;
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namespace BookAStar
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{
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public class ObservableString : IObservable<string>, IDisposable
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{
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public ObservableString(string data)
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{
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this.data = data;
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}
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private string data = null;
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private List<IObserver<string>> observers = new List<IObserver<string>>();
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public string Data
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{
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get
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{
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return data;
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}
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set
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{
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if (data != value)
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{
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data = value;
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foreach (var obs in observers)
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obs.OnCompleted();
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}
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}
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}
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public override string ToString()
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{
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return data;
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}
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public static explicit operator ObservableString (string data)
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{
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return new ObservableString(data);
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}
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public static explicit operator string (ObservableString observable)
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{
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return observable.ToString();
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}
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public void Dispose()
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{
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observers = null;
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}
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public IDisposable Subscribe(IObserver<string> observer)
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{
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observers.Add(observer);
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return this;
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}
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}
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}
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