protected override IAsyncResult BeginExecute(AsyncCodeActivityContext context, AsyncCallback callback, object state)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
Runspace runspace = null;
Pipeline pipeline = null;
PipelineInvokerAsyncResult pipelineInvokerAsyncResult = null;
var script = this.ResolveScript(
this.BuildWorkspace.Get(context),
this.Script.Get(context),
this.Arguments.Get(context));
context.Track(new System.Activities.Tracking.CustomTrackingRecord(string.Format(CultureInfo.CurrentCulture, "Script resolved to {0}", script)));
//context.TrackBuildMessage(string.Format(CultureInfo.CurrentCulture, "Script resolved to {0}", script), BuildMessageImportance.Low);
try
{
runspace = RunspaceFactory.CreateRunspace();
runspace.Open();
pipeline = runspace.CreatePipeline(script);
context.UserState = pipeline;
pipelineInvokerAsyncResult = new PipelineInvokerAsyncResult(pipeline, callback, state);
return(pipelineInvokerAsyncResult);
}
finally
{
if (runspace != null)
{
runspace.Dispose();
}
if (pipeline != null)
{
pipeline.Dispose();
}
if (pipelineInvokerAsyncResult != null)
{
pipelineInvokerAsyncResult.Dispose();
}
}
}
protected override PSObject[] EndExecute(AsyncCodeActivityContext context, IAsyncResult result)
{
PipelineInvokerAsyncResult asyncResult = result as PipelineInvokerAsyncResult;
Pipeline pipeline = context.UserState as Pipeline;
try
{
if (asyncResult.Exception != null)
{
throw new PowerShellExecutionException(asyncResult.Exception, asyncResult.ErrorRecords);
}
return(asyncResult.PipelineOutput.ToArray());
}
finally
{
DisposePipeline(pipeline);
}
}