static void Main(string[] args)
{
StreamReader sr = null;
string content = null;
try
{
//load the order xml.
sr = new StreamReader("..\\..\\OrderSample.xml");
content = sr.ReadToEnd();
}
finally
{
sr.Close();
}
GenericIdentity gi = new GenericIdentity("CustomerA");
GenericPrincipal gp = new GenericPrincipal(gi, null);
//create a new document object
Document doc = new Document(gp, content, null);
SAF.Application.Configuration.ConfigurationManager cm = null;
cm = (SAF.Application.Configuration.ConfigurationManager)ConfigurationSettings.GetConfig("MyApplication");
//get the initial document layer object
IDocumentLayer layer = (IDocumentLayer)cm.DocumentLayerConfig.GetDocumentLayerByName("Special");
//start processing the document.
IDocument response = layer.ProcessDocument(doc);
Console.WriteLine(">>>>>>>>>>>>>Repsonse document from " + response.Sender.Identity.Name + " has arrived <<<<<<<<<<<<");
Console.WriteLine("Response Document is: \n " + response.Content + "\n");
}
/// <summary>
/// Create an object for the next document layer and set it
/// to the Next property
/// </summary>
/// <param name="configXml">configuration data contain the document layers participating the chain</param>
public DocumentBlankLayer(XmlNode configXml)
{
XmlNode node = configXml.SelectSingleNode("Layer");
if (node != null)
{
Type type = Type.GetType(node.Attributes["type"].Value);
object[] parameters = new Object[1] {
node
};
next = (IDocumentLayer)Activator.CreateInstance(type, parameters);
}
}
public DocumentDoSomeWorkLayer(XmlNode configXml)
{
XmlNode node = configXml.SelectSingleNode("Layer");
if (node != null)
{
//retrieve the type information of the document layer from the configuration xml
Type type = Type.GetType(node.Attributes["type"].Value);
object[] parameters = new Object[1] {
node
};
next = (IDocumentLayer)Activator.CreateInstance(type, parameters);
}
}
public DocumentLoggingLayer(XmlNode configXml)
{
XmlNode node = configXml.SelectSingleNode("Layer");
connString = configXml.SelectSingleNode("Config").Attributes["connection"].Value;
if (node != null)
{
//retrieve the type information of the document layer.
Type type = Type.GetType(node.Attributes["type"].Value);
object[] parameters = new Object[1] {
node
};
next = (IDocumentLayer)Activator.CreateInstance(type, parameters);
}
}
public DocumentXmlValidationLayer(XmlNode configXml)
{
XmlNode node = configXml.SelectSingleNode("Layer");
//retrieve the schema information.
incomingSchema = configXml.SelectSingleNode("Config").Attributes["incomingSchema"].Value;
outgoingSchema = configXml.SelectSingleNode("Config").Attributes["outgoingSchema"].Value;
if (node != null)
{
Type type = Type.GetType(node.Attributes["type"].Value);
object[] parameters = new Object[1] {
node
};
next = (IDocumentLayer)Activator.CreateInstance(type, parameters);
}
}
static void Main(string[] args)
{
//read the customer order
StreamReader sr = null;
string content = null;
try
{
sr = new StreamReader("..\\..\\OrderSample.xml");
content = sr.ReadToEnd();
}
finally
{
sr.Close();
}
GenericIdentity gi = new GenericIdentity("CustomerA");
GenericPrincipal gp = new GenericPrincipal(gi, null);
//create the document object
IDocument doc = new Document(gp, content, null);
//load the configuration obect for the workflow
SAF.Application.Configuration.ConfigurationManager cm = null;
cm = (ConfigurationManager)ConfigurationSettings.GetConfig("MyApplication");
//get the inital documet layer
IDocumentLayer layer = (IDocumentLayer)cm.DocumentLayerConfig.GetDocumentLayerByName("PurchaseOrderWorkFlow");
//start process the document by calling the ProcessDocument on the inital layer.
//For this perticular example, the last document layer is DocumentWorkFlowLayer object
//which will trigger the work flow defined in the GenericPurchaseOrderVisitor class
IDocument response = layer.ProcessDocument(doc);
//display potential response document
if (response != null)
{
Console.WriteLine(">>>>>>>>>>>>>Repsonse document from " + response.Sender.Identity.Name + " has arrived <<<<<<<<<<<<");
Console.WriteLine("Response Document is: \n " + response.Content + "\n");
}
//change the cost of some product to greater than $100 and run this demo again
//to see how the workflow is changed.
}
/// <summary>
/// constructor that initialize the first processing unit and the visitor class
/// which contain the process flow and coordination logic used to process the cusotmer orders.
/// </summary>
/// <param name="configXml"></param>
public DocumentWorkFlowLayer(XmlNode configXml)
{
XmlNode node = configXml.SelectSingleNode("Layer");
string initialComponent = configXml.SelectSingleNode("Config/InitialComponent").Attributes["type"].Value;
string visitor = configXml.SelectSingleNode("Config/Visitor").Attributes["type"].Value;
//use reflect to create the processing unit and visitor object
nextComponent = (IComponent)Activator.CreateInstance(Type.GetType(initialComponent), null);
v = (IVisitor)Activator.CreateInstance(Type.GetType(visitor), null);
//set the Next property to the next document layer if there is one.
if (node != null)
{
Type type = Type.GetType(node.Attributes["type"].Value);
object[] parameters = new Object[1] {
node
};
next = (IDocumentLayer)Activator.CreateInstance(type, parameters);
}
}
public DocumentWorkFlowLayer(IDocumentLayer nextLayer)
{
Next = nextLayer;
}
/// <summary>
/// set up the next document layer in the chain
/// </summary>
/// <param name="nextLayer">next document layer</param>
public DocumentBlankLayer(IDocumentLayer nextLayer)
{
Next = nextLayer;
}
