public async Task InvokeAsync_SameThreadNoValue()
{
var threadIds = new List <int> {
Thread.CurrentThread.ManagedThreadId
};
var di = new DataInvoker();
await di.InvokeAsync(null, async() => { threadIds.Add(Thread.CurrentThread.ManagedThreadId); await Task.Delay(0); });
threadIds.Add(Thread.CurrentThread.ManagedThreadId);
Assert.AreEqual(1, threadIds.Distinct().Count());
}
public async Task InvokeAsync_SameThreadValue()
{
ExecutionContext.Reset();
ExecutionContext.SetCurrent(new ExecutionContext());
var threadIds = new List <int> {
Thread.CurrentThread.ManagedThreadId
};
var di = new DataInvoker();
var val = await di.InvokeAsync(null, async() => { threadIds.Add(Thread.CurrentThread.ManagedThreadId); await Task.Delay(0); return(1); });
threadIds.Add(Thread.CurrentThread.ManagedThreadId);
Assert.AreEqual(1, val);
Assert.AreEqual(1, threadIds.Distinct().Count());
}
private void ViewPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (string.Equals(ViewInvoker.Name, e.PropertyName, StringComparison.Ordinal) || string.IsNullOrEmpty(e.PropertyName))
{
if (data is INotifyPropertyChanged notify)
{
notify.PropertyChanged -= DataPropertyChanged;
DataInvoker.SetValue(data, ViewInvoker?.GetValue(view));
notify.PropertyChanged += DataPropertyChanged;
}
else
{
DataInvoker.SetValue(data, ViewInvoker?.GetValue(view));
}
}
}
public void XmlGenerate(TravelAgencyDbContext dbContext, string destination, string guide, string transport)
{
XmlTextWriter writer = new XmlTextWriter("../../../Data files/TransportReport.xml", System.Text.Encoding.UTF8);
writer.WriteStartDocument(true);
writer.Formatting = Formatting.Indented;
writer.Indentation = 2;
writer.WriteStartElement("Table");
var dataInvoker = new DataInvoker();
var data = dataInvoker.GetData(dbContext, destination, guide, transport);
foreach (var report in data)
{
this.CreateNode(report, writer);
}
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Close();
}
public void XmlGenerate(TravelAgencyDbContext dbContext, string destination, string guide, string transport)
{
XmlTextWriter writer = new XmlTextWriter("../../../Data files/TransportReport.xml", System.Text.Encoding.UTF8);
writer.WriteStartDocument(true);
writer.Formatting = Formatting.Indented;
writer.Indentation = 2;
writer.WriteStartElement("Table");
var dataInvoker = new DataInvoker();
var data = dataInvoker.GetData(dbContext, destination, guide, transport);
foreach (var report in data)
{
this.CreateNode(report, writer);
}
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Close();
}
private void DataPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (ViewInvoker == null)
{
throw new InvalidOperationException($"{nameof(ViewInvoker)} is not specified!");
}
if (string.Equals(DataInvoker.Name, e.PropertyName, StringComparison.Ordinal) || string.IsNullOrEmpty(e.PropertyName))
{
if (view is INotifyPropertyChanged notify)
{
notify.PropertyChanged -= ViewPropertyChanged;
ViewInvoker.SetValue(view, DataInvoker?.GetValue(data));
notify.PropertyChanged += ViewPropertyChanged;
}
else
{
ViewInvoker.SetValue(view, DataInvoker?.GetValue(data));
}
}
}
