protected override DataSet ServerProcessInternal(DataSet ds)
{
if (serviceUri == "(local)")
return LocalProcess(ds);
string hash = DataSetDiskCache.ComputeHash(ds);
DataSet proxyDataSet = null;
// Creating new DataSet at the service.
// TODO: fix following:
try
{
try
{
proxyDataSet = ProxyDataSet.CreateProxySync(taskQueue, ServicePort, "msds:memory", false, 10 * 60 * 1000);
}
catch (CommunicationObjectFaultedException)
{
//Connection to server closed.
//Recreate service port and try again.
if (proxyDataSet != null && !proxyDataSet.IsDisposed) proxyDataSet.Dispose();
this._servicePort = null;
proxyDataSet = ProxyDataSet.CreateProxySync(taskQueue, ServicePort, "msds:memory", false, 10 * 60 * 1000);
}
AutoResetEvent completed = new AutoResetEvent(false);
OnCommittedHandler onCommitted = new OnCommittedHandler(completed, OnDataSetCommitted);
proxyDataSet.Committed += onCommitted.Handler;
proxyDataSet.IsAutocommitEnabled = false;
FetchClimateRequestBuilder.CopyRequestedDataSet(ds, proxyDataSet, false);
proxyDataSet.Metadata[Namings.metadataNameHash] = hash;
proxyDataSet.Commit();
if (proxyDataSet.HasChanges) proxyDataSet.Commit();
completed.WaitOne();
proxyDataSet.IsAutocommitEnabled = true;
return proxyDataSet;
}
catch
{
if (proxyDataSet != null && !proxyDataSet.IsDisposed) proxyDataSet.Dispose();
throw;
}
}
private void OnDataSetCommitted(DataSetCommittedEventArgs e, OnCommittedHandler handler)
{
if ((e.Changes.ChangesetSource & ChangesetSource.Remote) == 0)
{
return; // we're waiting for remote changes
}
var ds = e.DataSet;
if (FetchClimateRequestBuilder.IsProcessingSuccessful(ds) || FetchClimateRequestBuilder.IsProcessingFailed(ds))
{
ds.Committed -= handler.Handler;
handler.Completed.Set();
}
}