public async Task ExclusiveAccess_Test()
{
var exclusiveAccess0 = new ExclusiveAccess <int>();
var exclusiveAccess1 = new ExclusiveAccess <int>(1);
Assert.Equal(0, exclusiveAccess0.Value);
Assert.Equal(1, exclusiveAccess1.Value);
exclusiveAccess0.Update(u => 2);
Assert.Equal(2, exclusiveAccess0.Value);
var t1 = Task.Run(
() => exclusiveAccess0.Update(
v =>
{
Thread.Sleep(100);
return(10);
}));
await Task.Delay(10);
Assert.Equal(10, exclusiveAccess0.Value);
var t2 = Task.Run(
() => exclusiveAccess0.Update(
v =>
{
Thread.Sleep(100);
return(20);
}));
await Task.Delay(20);
exclusiveAccess0.Use(v => Assert.Equal(20, v));
}
private async Task InitializeConnectionWithTiaPortalProject()
{
await Task.Run(() =>
{
if (!accessAvailable)
{
IList <TiaPortalProcess> processes = TiaPortal.GetProcesses();
switch (processes.Count)
{
case 1:
_tiaProcess = processes[0];
MyTiaPortal = _tiaProcess.Attach();
break;
case 0:
throw new EngineeringTargetInvocationException(
"No running instance of TIA Portal was found!");
default:
throw new EngineeringTargetInvocationException(
"More than one running instance of TIA Portal was found!");
}
if (MyTiaPortal.Projects.Count <= 0)
{
throw new EngineeringTargetInvocationException(
"No open TIA Portal Project was found!");
}
MyProject = MyTiaPortal.Projects[0];
exclusiveAccess = MyTiaPortal.ExclusiveAccess("My Activity");
accessAvailable = true;
}
if (!transactionOpen)
{
transaction = exclusiveAccess.Transaction(MyProject, "No changes commited.");
transactionOpen = true;
}
}).ConfigureAwait(true);
}
protected override void ConnectCore()
{
var connFactory = new ConnectionFactory();
connFactory.HostName = _config.ServiceBusAddress;
//Loop through all the custom fields and set them dynamically
foreach (var memberInfo in memberInfos)
{
if (_config.CustomProps.ContainsKey(memberInfo.Name))
{
object val = _config.CustomProps[memberInfo.Name];
try
{
if (memberInfo.MemberType == MemberTypes.Field)
{
var f = (FieldInfo) memberInfo;
var settingValue = Convert.ChangeType(val, f.FieldType);
f.SetValue(connFactory, settingValue);
}
else if (memberInfo.MemberType == MemberTypes.Property)
{
var p = (PropertyInfo)memberInfo;
var settingValue = Convert.ChangeType(val, p.PropertyType);
p.SetValue(connFactory, settingValue, null);
}
}
catch (Exception e)
{
//TODO: Do something with the exception...
}
}
}
_connection = connFactory.CreateConnection();
//You can create multiple channels or sessions on the same connection... although not sure what that means.
//Using one session per connection here.
_session = new ExclusiveAccess<IModel>(_connection.CreateModel());
_session.Use.ExchangeDeclare(EXCHANGE_NAME, ExchangeType.Topic, true);
}
public static int Increment(this ExclusiveAccess <int> exclusiveAccess)
{
return(exclusiveAccess.Update(v => ++ v));
}
