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implab » ImplabNet
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fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
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r140:f973c5df9972 v2
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Extensions.cs
41 lines | 1.7 KiB | text/x-csharp | CSharpLexer
/ Implab / Diagnostics / Extensions.cs
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namespace Implab.Diagnostics {
public static class Extensions {
public static IPromise<T> EndLogicalOperation<T>(this IPromise<T> promise) {
Safe.ArgumentNotNull(promise, "promise");
var op = TraceContext.Instance.DetachLogicalOperation();
return promise.On(
x => {
TraceContext.Instance.EnterLogicalOperation(op,true);
TraceLog.TraceInformation("promise = {0}", x);
TraceLog.EndLogicalOperation();
TraceContext.Instance.Leave();
},
err =>{
TraceContext.Instance.EnterLogicalOperation(op,true);
TraceLog.TraceError("promise died {0}", err);
TraceLog.EndLogicalOperation();
TraceContext.Instance.Leave();
},
reason => {
TraceContext.Instance.EnterLogicalOperation(op,true);
TraceLog.TraceInformation("promise cancelled {0}", reason == null ? "<no-reason>" : reason.Message);
TraceLog.EndLogicalOperation();
TraceContext.Instance.Leave();
}
);
}
public static IPromise EndLogicalOperation(this IPromise promise) {
Safe.ArgumentNotNull(promise, "promise");
var op = TraceContext.Instance.DetachLogicalOperation();
return promise.On(() => {
TraceContext.Instance.EnterLogicalOperation(op,true);
TraceLog.EndLogicalOperation();
TraceContext.Instance.Leave();
}, PromiseEventType.All);
}
}
}