public void should_get_setting_on_start_even_if_node_is_added_later()
{
var runner =
ZkRunner.New().Path(() => Path)
.ConnectionString(() => ConnectionString)
.SessionTimeout(() => TimeSpan.FromSeconds(5))
.Build();
var client = runner.Start();
var reset = new AutoResetEvent(false);
bool set = false;
client.SubscribeOn <bool>("foo", x =>
{
Console.WriteLine("[test] got update for foo");
set = x;
reset.Set();
});
setData("{foo:true}");
reset.WaitOne(TimeSpan.FromSeconds(10));
Assert.IsTrue(set);
setData("{foo:false}");
reset.WaitOne(TimeSpan.FromSeconds(10));
Assert.IsFalse(set);
runner.Dispose();
}
private void Run()
{
var zk = ZkRunner.New()
.Path(() => _path)
.ConnectionString(() => "192.168.60.2:2181")
.SessionTimeout(() => TimeSpan.FromSeconds(3))
.Build();
var togglez = zk.Start();
//waiting synchronously is optional. however, Get<> calls will return nulls / defaults until settings are ready.
//using subscriptions where possible. subscriptions run on first connect, and everytime the path's value changes.
//you only need to subcribe to a single setting for any particular path. In the handler, you can use togglez.Get<>(..) to
//get the other values for the same path.
//Get<> doesn't make a call to zk...it simply uses state that's already been fetched. As such, you either need to use
//a subscription, or wait for settings for one time init.
Console.WriteLine("Waiting for settings...");
togglez.WaitForFirstSettings(TimeSpan.FromSeconds(10));
Console.WriteLine("Got settings...");
Console.WriteLine(togglez.Get <int>("foo"));
togglez.SubscribeOn <int>("foo", Console.WriteLine);
Console.WriteLine(togglez.Get <int>("foo"));
Console.ReadLine();
zk.Dispose();
}
private void Run()
{
var zk = ZkRunner.New()
.Path(() => _path)
.ConnectionString(() => "192.168.60.2:2181")
.SessionTimeout(() => TimeSpan.FromSeconds(3))
.Build();
var togglez = zk.Start();
Console.WriteLine(togglez.Get <int>("foo"));
togglez.SubscribeOn <int>("foo", Console.WriteLine);
Console.WriteLine(togglez.Get <int>("foo"));
//waiting synchronously is optional.
Console.WriteLine("Waiting for settings...");
togglez.WaitForFirstSettings(TimeSpan.FromSeconds(10));
Console.WriteLine("Got settings...");
Console.ReadLine();
zk.Dispose();
}
