/// <summary>
/// Entry point into console application.
/// </summary>
static void Main()
{
LoadBalancer b1 = LoadBalancer.GetLoadBalancer();
LoadBalancer b2 = LoadBalancer.GetLoadBalancer();
LoadBalancer b3 = LoadBalancer.GetLoadBalancer();
LoadBalancer b4 = LoadBalancer.GetLoadBalancer();
// Check if it is the same instance?
if (b1 == b2 && b2 == b3 && b3 == b4)
{
Console.WriteLine("Same instance");
}
// Load balance 15 server requests
LoadBalancer balancer = LoadBalancer.GetLoadBalancer();
for (int i = 0; i < 15; i++)
{
string server = balancer.Server;
Console.WriteLine("Dispatch Request to: " + server);
}
}
static void TryLoadBalancer()
{
int numOfThreads = 2;
WaitHandle[] waitHandles = new WaitHandle[numOfThreads];
for (int i = 0; i < numOfThreads; i++)
{
ThreadWithState tws = new ThreadWithState(i);
Thread t = new Thread(new ThreadStart(tws.ThreadProc));
t.Start();
t.Join();
}
LoadBalancer balancer = LoadBalancer.GetLoadBalancer();
for (int i = 0; i < 10; i++)
{
Server server = balancer.GetServer();
Console.WriteLine("Request assigns to " + server.Name);
}
}
public static void Run()
{
Console.WriteLine("\nSingleton Real World Practice");
LoadBalancer b1 = LoadBalancer.GetLoadBalancer();
LoadBalancer b2 = LoadBalancer.GetLoadBalancer();
LoadBalancer b3 = LoadBalancer.GetLoadBalancer();
LoadBalancer b4 = LoadBalancer.GetLoadBalancer();
if (b1 == b2 && b2 == b3 && b3 == b4)
{
Console.WriteLine("Same instance \n");
}
LoadBalancer balancer = LoadBalancer.GetLoadBalancer();
for (int i = 0; i < 15; i++)
{
string server = balancer.Server;
Console.WriteLine("Dispatch Request to: " + server);
}
}
static void Main(string[] args)
{
var b1 = LoadBalancer.GetLoadBalancer();
var b2 = LoadBalancer.GetLoadBalancer();
var b3 = LoadBalancer.GetLoadBalancer();
var b4 = LoadBalancer.GetLoadBalancer();
if (b1 == b2 && b2 == b3 && b3 == b4)
{
Console.WriteLine("Same instance\n");
}
var balancer = LoadBalancer.GetLoadBalancer();
for (int i = 0; i < 15; i++)
{
string serverName = balancer.NextServer.Name;
Console.WriteLine("Dispatch request to: " + serverName);
}
Console.ReadKey();
Console.ReadLine();
}
static void RunSingletonLoadBalancerExample()
{
Console.WriteLine("Welcome to real-world (Load Balancer) Singleton design pattern example.!");
LoadBalancer b1 = LoadBalancer.GetLoadBalancer();
LoadBalancer b2 = LoadBalancer.GetLoadBalancer();
LoadBalancer b3 = LoadBalancer.GetLoadBalancer();
LoadBalancer b4 = LoadBalancer.GetLoadBalancer();
// Same instance?
if (b1 == b2 && b2 == b3 && b3 == b4)
{
Console.WriteLine("Same instance\n");
}
// Load balance 15 server requests
LoadBalancer balancer = LoadBalancer.GetLoadBalancer();
for (int i = 0; i < 15; i++)
{
string server = balancer.Server;
Console.WriteLine("Dispatch Request to: " + server);
}
}
static void Main()
{
LoadBalancer b1 = LoadBalancer.GetLoadBalancer();
LoadBalancer b2 = LoadBalancer.GetLoadBalancer();
LoadBalancer b3 = LoadBalancer.GetLoadBalancer();
LoadBalancer b4 = LoadBalancer.GetLoadBalancer();
// Same instance?
if (b1 == b2 && b2 == b3 && b3 == b4)
{
Console.WriteLine("Same instance\n");
}
// Load balance 15 server requests
LoadBalancer balancer = LoadBalancer.GetLoadBalancer();
for (int i = 0; i < 15; i++)
{
string server = balancer.Server;
Console.WriteLine("Dispatch Request to: " + server);
}
var uc = new UnityContainer();
uc.RegisterType <Random>(
new ContainerControlledLifetimeManager(),
new InjectionConstructor());
var svc = uc.Resolve <NewSingleton>();
var svc2 = uc.Resolve <NewSingleton>();
Console.WriteLine(
ReferenceEquals(svc.Random, svc2.Random));
Console.ReadKey();
}
