public WuRemoteCallContext(WuRemoteCall call, IWuEndpoint endpoint, Task <WuRemoteCallResult> task)
{
if (call == null)
{
throw new ArgumentNullException(nameof(call));
}
if (endpoint == null)
{
throw new ArgumentNullException(nameof(endpoint));
}
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (task.Status != TaskStatus.Created)
{
throw new InvalidOperationException("Task started before added to call context.");
}
_callName = call.Name;
_endpointName = endpoint.FQDN;
Result = null;
_call = call;
_endpoint = endpoint;
task.ContinueWith((t) => OnTaskFinished(t));
}
public WuRemoteCallResult(IWuEndpoint endpoint, WuRemoteCall call, bool success, Exception failure, string message)
{
if (call == null)
{
throw new ArgumentNullException(nameof(call));
}
_endpoint = endpoint;
_call = call;
_success = success;
_failure = failure;
_message = (message == null && failure != null) ? _failure.Message : message;
}
private void OnTaskFinished(Task <WuRemoteCallResult> task)
{
Result = task.Result;
_lastTaskStatus = task.Status;
if (task.Exception != null && task.Result == null)
{
Result = new WuRemoteCallResult(_endpoint, _call, false, task.Exception, task.Exception.Message);
}
_call = null;
_endpoint = null;
lock (_taskLock)
{
_task = null;
}
OnPropertyChanged(nameof(Result));
}
/// <summary>
/// Returns a successful call result with the given message.
/// </summary>
/// <param name="endpoint">The target endpoint.</param>
/// <param name="call">The call which was send to the endpoint.</param>
/// <param name="message">Message for the user.</param>
public static WuRemoteCallResult SuccessResult(IWuEndpoint endpoint, WuRemoteCall call, string message)
{
return(new WuRemoteCallResult(endpoint, call, true, null, message));
}
/// <summary>
/// Returns a successful call result with an empty <see cref="Message"/>.
/// </summary>
/// <param name="endpoint">The target endpoint.</param>
/// <param name="call">The call which was send to the endpoint.</param>
public static WuRemoteCallResult SuccessResult(IWuEndpoint endpoint, WuRemoteCall call)
{
return(SuccessResult(endpoint, call, ""));
}
/// <summary>
/// Returns a unsuccessful call result with a 'service not available' message.
/// </summary>
/// <param name="endpoint">The target endpoint.</param>
/// <param name="call">The call which was send to the endpoint.</param>
public static WuRemoteCallResult EndpointNotAvailableResult(IWuEndpoint endpoint, WuRemoteCall call)
{
return(new WuRemoteCallResult(endpoint, call, false, null, "The remote service is currently not available."));
}
public void Add(WuRemoteCall call, IWuEndpoint endpoint, Task <WuRemoteCallResult> task) => Add(new WuRemoteCallContext(call, endpoint, task));