private void Prepare()
{
try
{
CheckDisposed();
_remoteViewClient = _remoteEngineContext.ViewProcessor.CreateClient();
CheckDisposed();
var eventViewResultListener = new EventViewResultListener();
eventViewResultListener.CycleCompleted += (sender, e) => Update(e.FullResult);
eventViewResultListener.ViewDefinitionCompilationFailed += (sender, e) => SetError(e.Exception);
eventViewResultListener.ViewDefinitionCompiled += delegate
{
_graphsOutOfDate = true;
};
eventViewResultListener.CycleExecutionFailed += (sender, e) => SetError(e.Exception);
_remoteViewClient.SetResultListener(eventViewResultListener);
_remoteViewClient.SetViewCycleAccessSupported(true);
CheckDisposed();
AttachToViewProcess(_remoteViewClient);
}
catch (Exception ex)
{
SetError(ex);
}
}
public static IEnumerable <CycleCompletedArgs> GetCycles(this RemoteViewClient client, Action <RemoteViewClient> attachAction)
{
using (var resultQueue = new BlockingCollection <object>(new ConcurrentQueue <object>()))
using (var otherQueue = new BlockingCollection <object>(new ConcurrentQueue <object>()))
{
var resultListener = new EventViewResultListener();
resultListener.CycleCompleted += (sender, e) => resultQueue.Add(e);
resultListener.CycleExecutionFailed += (s, e) => otherQueue.Add(e);
resultListener.ProcessTerminated += (s, e) => otherQueue.Add(e);
resultListener.ViewDefinitionCompilationFailed += (s, e) => otherQueue.Add(e);
client.SetResultListener(resultListener);
attachAction(client);
TimeSpan timeout = TimeSpan.FromMinutes(1);
try
{
while (true)
{
object next;
var index = BlockingCollection <object> .TryTakeFromAny(new[] { resultQueue, otherQueue }, out next, timeout);
if (index == 0)
{
yield return((CycleCompletedArgs)next);
}
else
{
var detailMessage = string.Format("for {0} after {1}\n state {2} is completed {3}", client.GetViewDefinition().Name, timeout, client.GetState(), client.IsCompleted);
switch (index)
{
case 0:
throw new ArgumentException("index");
case 1:
throw new Exception(string.Format("Error occured whilst getting results {0}\n{1}", next, detailMessage));
default:
throw new TimeoutException("No results received " + detailMessage);
}
}
}
}
finally
{
client.RemoveResultListener();
}
}
}
