protected override void Execute(Csla.Rules.IRuleContext context)
{
var bw = new System.ComponentModel.BackgroundWorker();
bw.DoWork += (o, e) =>
{
var name = (string)context.InputPropertyValues[PrimaryProperty];
bool result = string.IsNullOrEmpty(name) ||
!(from c in name.ToCharArray()
where char.IsDigit(c)
select c)
.Any();
if (!result)
{
context.AddErrorResult("Name must consist of only letters.");
}
};
bw.RunWorkerCompleted += (o, e) =>
{
if (e.Error != null)
{
context.AddErrorResult(e.Error.Message);
}
context.Complete();
};
bw.RunWorkerAsync();
}
protected override async void Execute(Csla.Rules.IRuleContext context)
{
MyExpensiveCommand result = null;
if (IsAsync)
{
result = await MyExpensiveCommand.DoCommandAsync();
}
else
{
result = MyExpensiveCommand.DoCommandAsync().Result;
}
if (result == null)
{
context.AddErrorResult("Command failed to run");
}
else if (result.Result)
{
context.AddInformationResult(result.ResultText);
}
else
{
context.AddErrorResult(result.ResultText);
}
context.Complete();
}
protected override void Execute(Csla.Rules.IRuleContext context)
{
var target = (ProjectEdit)context.Target;
var started = target.ReadProperty(StartedProperty);
var ended = target.ReadProperty(EndedProperty);
if (started.HasValue && ended.HasValue && started > ended || !started.HasValue && ended.HasValue)
context.AddErrorResult("Start date can't be after end date");
}
protected override void Execute(Csla.Rules.IRuleContext context)
{
var target = (LineItem)context.Target;
if (!target.IsNew)
{
context.AddErrorResult("Value may only be changed if item is new");
}
}
protected override void Execute(Csla.Rules.IRuleContext context)
{
var target = (ProjectEdit)context.Target;
foreach (var item in target.Resources)
{
var count = target.Resources.Count(r => r.ResourceId == item.ResourceId);
if (count > 1)
{
context.AddErrorResult("Duplicate resources not allowed");
return;
}
}
}
protected override void Execute(Csla.Rules.IRuleContext context)
{
var ce = (CustomerEdit)context.Target;
bool result = string.IsNullOrEmpty(ce.Name) ||
!(from c in ce.Name.ToCharArray()
where char.IsDigit(c)
select c)
.Any();
if (!result)
{
context.AddErrorResult("Name must consist of only letters.");
}
}
protected async override void Execute(Csla.Rules.IRuleContext context)
{
var tcs = new TaskCompletionSource <bool>();
new Task(() =>
{
var name = (string)context.InputPropertyValues[PrimaryProperty];
tcs.SetResult(string.IsNullOrEmpty(name) ||
!(from c in name.ToCharArray()
where char.IsDigit(c)
select c)
.Any());
}).Start();
var result = await tcs.Task;
if (!result)
{
context.AddErrorResult("Name must consist of only letters.");
}
context.Complete();
}
protected override void Execute(Csla.Rules.IRuleContext context)
{
BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += (o, e) => Thread.Sleep(3000);
worker.RunWorkerCompleted += (o, e) =>
{
string val = (string)context.InputPropertyValues[PrimaryProperty];
if (val == "Error")
{
context.AddErrorResult("Invalid data!");
}
else if (val == "Warning")
{
context.AddWarningResult("This might not be a great idea!");
}
else if (val == "Information")
{
context.AddInformationResult("Just an FYI!");
}
context.Complete();
};
worker.RunWorkerAsync();
}