private static void EventProxyDemonstration()
{
Console.WriteLine(nameof(EventProxyDemonstration));
var proxyBuilder = new ReflectionProxyBuilder <IInputDetector>();
proxyBuilder.SetEventProxy <UserInputEventArgs>((id, h) => id.OnInputAvailable += new EventHandler <UserInputEventArgs>(h),
(h, o, a) =>
{
if (a.Input.Length >= 5)
{
h.Invoke(o, a);
}
});
var inputDetector = new InputDetector();
var proxiedInstance = proxyBuilder.Build(inputDetector);
proxiedInstance.OnInputAvailable += (o, a) => Console.WriteLine($"Input from user: {a.Input}");
inputDetector.RaiseInputAvailable("U");
inputDetector.RaiseInputAvailable("US");
inputDetector.RaiseInputAvailable("USER");
inputDetector.RaiseInputAvailable("USER ");
inputDetector.RaiseInputAvailable("USER I");
inputDetector.RaiseInputAvailable("USER IN");
inputDetector.RaiseInputAvailable("USER INP");
inputDetector.RaiseInputAvailable("USER INPU");
inputDetector.RaiseInputAvailable("USER INPUT");
Console.WriteLine();
}
private static void IndexerProxySelfFillingMap()
{
Console.WriteLine(nameof(IndexerProxySelfFillingMap));
var index = 0;
var dictionary = new Dictionary <char, int>();
var proxyBuilder = new ReflectionProxyBuilder <IDictionary <char, int> >();
proxyBuilder.SetIndexerGetterProxy <char, int>((d, c) => d[c],
(d, c) =>
{
if (!dictionary.ContainsKey(c))
{
dictionary[c] = index++;
}
return(d.Invoke(c));
});
var proxiedInstance = proxyBuilder.Build(dictionary);
Console.WriteLine($"Context A value {proxiedInstance['A']}");
Console.WriteLine($"Context B value {proxiedInstance['B']}");
Console.WriteLine($"Context C value {proxiedInstance['C']}");
Console.WriteLine($"Context B value {proxiedInstance['B']}");
Console.WriteLine($"Context D value {proxiedInstance['D']}");
Console.WriteLine($"Context A value {proxiedInstance['A']}");
Console.WriteLine($"Context E value {proxiedInstance['E']}");
Console.WriteLine();
}
private static void ProxyDemonstrationArgumentLimiter()
{
Console.WriteLine(nameof(ProxyDemonstrationArgumentLimiter));
var proxyBuilder = new ReflectionProxyBuilder <IConnection>();
proxyBuilder.SetActionProxy <byte[]>(c => c.SendData,
(c, d) =>
{
for (int i = 0; i < (d.Length / 10); i++)
{
c.Invoke(d.Skip(i * 10).Take(10).ToArray());
}
c.Invoke(d.Skip((d.Length / 10) * 10).Take(d.Length - (d.Length / 10) * 10).ToArray());
});
var proxiedInstance = proxyBuilder.Build(new Connection());
proxiedInstance.SendData(new byte[9]);
proxiedInstance.SendData(new byte[12]);
proxiedInstance.SendData(new byte[15]);
proxiedInstance.SendData(new byte[38]);
Console.WriteLine();
}
private static void PairDecoratorsDemonstrationOnException()
{
Console.WriteLine(nameof(PairDecoratorsDemonstrationOnException));
var synchronization = new object();
var proxyBuilder = new ReflectionProxyBuilder <IDbRepository>();
proxyBuilder.AddPairActionDecorators(dbr => dbr.CommitChanges,
() =>
{
Monitor.Enter(synchronization);
Console.WriteLine("Locked");
},
() =>
{
Monitor.Exit(synchronization);
Console.WriteLine("Unlocked");
});
var decoratedInstance = proxyBuilder.Build(new DbRepositoryThrowingException());
try
{
decoratedInstance.CommitChanges();
}
catch (Exception ex)
{
Console.WriteLine($"Catched exception: {ex.Message}");
}
Console.WriteLine();
}
private static void AfterDecoratorDemostration()
{
Console.WriteLine(nameof(AfterDecoratorDemostration));
var proxyBuilder = new ReflectionProxyBuilder <IDbRepository>();
proxyBuilder.AddAfterActionDecorator(dbr => dbr.CommitChanges,
() =>
{
Console.WriteLine("Clear connection");
});
var decoratedInstance = proxyBuilder.Build(new DbRepository());
decoratedInstance.CommitChanges();
Console.WriteLine();
}
private static void PairDecoratorsDemonstration()
{
Console.WriteLine(nameof(PairDecoratorsDemonstration));
var stopwatch = new Stopwatch();
var proxyBuilder = new ReflectionProxyBuilder <IDbRepository>();
proxyBuilder.AddPairActionDecorators(dbr => dbr.CommitChanges,
() =>
{
stopwatch.Start();
},
() =>
{
stopwatch.Stop();
Console.WriteLine($"Commit changes took '{stopwatch.ElapsedMilliseconds}' ms");
});
var decoratedInstance = proxyBuilder.Build(new DbRepositoryWithSleep());
decoratedInstance.CommitChanges();
Console.WriteLine();
}
private static void ProxyDemonstrationNullGuard()
{
Console.WriteLine(nameof(ProxyDemonstrationNullGuard));
var proxyBuilder = new ReflectionProxyBuilder <IConnection>();
proxyBuilder.SetActionProxy <byte[]>(c => c.SendData,
(f, d) =>
{
if (d != null)
{
f.Invoke(d);
}
});
var proxiedInstance = proxyBuilder.Build(new Connection());
proxiedInstance.SendData(null);
proxiedInstance.SendData(new byte[10]);
proxiedInstance.SendData(null);
proxiedInstance.SendData(new byte[20]);
Console.WriteLine();
}
