// Simple scenario to show how an agent could execute a WS described using
// DAML
private object DemoExecuteService(DamlProcess process, DAMLParameter zipcode)
{
object objRes = null;
// Ensure zipcode.Type matches to System.String in .NET world
if (zipcode.Type == enuDAMLType.stringType && process.Inputs[0].Range.IndexOf("#string") != -1)
{
DynamicPxy.WeatherRetriever wr = new DynamicPxy.WeatherRetriever();
Type PxyType = wr.GetType();
// Even though we pass zipcode.data which is an object it is
// dynamically cast to string
MethodInfo mInfo = PxyType.GetMethod(process.Name);
if (mInfo != null)
{
objRes = mInfo.Invoke(wr, new object[] { zipcode.Data });
}
}
else
{
MessageBox.Show("Input type mismatch on process execute");
}
return(objRes);
}
private void btnExecDemo_Click(object sender, System.EventArgs e)
{
if (!this.tvwExecDetails.Visible)
{
return;
}
this.tvwExecDetails.Nodes.Clear();
LoadProcessData(m_demoProcess, ref tvwExecDetails);
DAMLParameter zipcode = new DAMLParameter();
zipcode.Type = enuDAMLType.stringType;
zipcode.Data = "10025";
TreeNode resultsNode = new TreeNode("Results");
object objRes = null;
// Do execute
objRes = DemoExecuteService(m_demoProcess, zipcode);
string strRetVal = "No results available";
// Add results
if (objRes != null)
{
// Serialize to string
// Get returned type
Type returnType = objRes.GetType();
// Create XmlSerializer
XmlSerializer ser = new XmlSerializer(returnType);
// Create a memory stream
MemoryStream ms = new MemoryStream();
// Serialize to stream ms
ser.Serialize(ms, objRes);
// Goto start of stream
ms.Seek(0, System.IO.SeekOrigin.Begin);
// Create a stream reader
TextReader reader = new StreamReader(ms);
// Read entire stream, this is our return value
strRetVal = reader.ReadToEnd();
resultsNode.Nodes.Add(strRetVal);
}
else
{
resultsNode.Nodes.Add(strRetVal);
}
this.rtbResults.Text = strRetVal;
this.tvwExecDetails.Nodes.Add(resultsNode);
}