| public AddKey ( string keyName, string match, string use ) : void | ||
| keyName | string | The name of the key |
| match | string | XPath pattern, defining the nodes to which /// this key is applicable |
| use | string | XPath expression used to determine /// the value of the key for each matching node |
| return | void | |
static void Main(string[] args)
{
PerfTest perf = new PerfTest();
int repeat = 1000;
perf.Start();
XPathDocument doc = new XPathDocument(Globals.GetResource(Globals.NorthwindResource));
//XmlDocument doc = new XmlDocument();
//doc.Load("test/northwind.xml");
Console.WriteLine("Loading XML document: {0, 6:f2} ms", perf.Stop());
XPathNavigator nav = doc.CreateNavigator();
XPathExpression expr = nav.Compile("/ROOT/CustomerIDs/OrderIDs/Item[OrderID=' 10330']/ShipAddress");
Console.WriteLine("Regular selection, warming...");
SelectNodes(nav, repeat, perf, expr);
Console.WriteLine("Regular selection, testing...");
SelectNodes(nav, repeat, perf, expr);
perf.Start();
IndexingXPathNavigator inav = new IndexingXPathNavigator(
doc.CreateNavigator());
Console.WriteLine("Building IndexingXPathNavigator: {0, 6:f2} ms", perf.Stop());
perf.Start();
inav.AddKey("orderKey", "OrderIDs/Item", "OrderID");
Console.WriteLine("Adding keys: {0, 6:f2} ms", perf.Stop());
XPathExpression expr2 = inav.Compile("key('orderKey', ' 10330')/ShipAddress");
perf.Start();
inav.BuildIndexes();
Console.WriteLine("Indexing: {0, 6:f2} ms", perf.Stop());
Console.WriteLine("Indexed selection, warming...");
SelectIndexedNodes(inav, repeat, perf, expr2);
Console.WriteLine("Indexed selection, testing...");
SelectIndexedNodes(inav, repeat, perf, expr2);
}
public void LoadConfiguration()
{
try
{
String name = String.Concat(modelConfiguration.configurationNamespace, ".configuration.xml");
Assembly entryAssembly = Assembly.GetEntryAssembly();
using (StreamReader streamReader = new StreamReader(entryAssembly.GetManifestResourceStream(name)))
{
xmlDoc = new XmlDocument();
xmlDoc.Load(streamReader);
}
indexedXMLDoc = new IndexingXPathNavigator(xmlDoc.CreateNavigator());
indexedXMLDoc.AddKey("ParameterNameKey", "GME/Global/Components/Component/ComplexParameters/Parameters/Parameter", "concat(@displayedName, '||', @category, '||', ../../../@name)");
indexedXMLDoc.AddKey("ParameterBaseKey", "GME/Global/Components/Component/ComplexParameters/Parameters/Parameter", "concat(@displayedName, '||', @category, '||', ../../../@base)");
indexedXMLDoc.AddKey("ParameterStructNameKey", "GME/Global/Components/Component/ComplexParameters/Parameters/Parameter/Parameters/Parameter", "concat(../../@displayedName, '||', ../../@category, '||', ../../../../../@name, '||', @name)");
indexedXMLDoc.AddKey("ParameterStructBaseKey", "GME/Global/Components/Component/ComplexParameters/Parameters/Parameter/Parameters/Parameter", "concat(../../@displayedName, '||', ../../@category, '||', ../../../../../@base, '||', @name)");
indexedXMLDoc.AddKey("ComponentNameKey", "GME/Global/Components/Component", "@name");
indexedXMLDoc.AddKey("ComponentBaseKey", "GME/Global/Components/Component", "@base");
indexedXMLDoc.AddKey("LinkParameterKey", "GME/Global/Links/Link/Connect/ComplexParameters/Parameters/Parameter", "concat(@displayedName, '||', @category, '||', ../../../@from, '||', ../../../@to, '||', ../../../../@type)");
indexedXMLDoc.AddKey("LinkParameterStructKey", "GME/Global/Links/Link/Connect/ComplexParameters/Parameters/Parameter/Parameters/Parameter", "concat(../../@displayedName, '||', ../../@category, '||', ../../../../../@from, '||', ../../../../../@to, '||', ../../../../../../@type, '||', @name)");
indexedXMLDoc.AddKey("LinkFromToKey", "GME/Global/Links/Link/Connect", "concat(@from, '||', @to, '||', ../@type)");
indexedXMLDoc.AddKey("LinkKey", "GME/Global/Links/Link", "@type");
indexedXMLDoc.AddKey("ConfigurationKey", "GME/Configurations/Configuration", "@name");
indexedXMLDoc.BuildIndexes();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, String.Format("Failed to load for configuration.xml at path '{0}'!", modelConfiguration.configurationNamespace));
}
}
private void LoadDiagram()
{
if (diagramName == null)
{
return;
}
//go to controller, get info from DB
DrawingUtility.SuspendDrawing(this);
IXPathNavigable inav;
if (displayID != RootID) // requires an additional level; base is now one node below root
{
ComponentOptions compOptions = new ComponentOptions();
if (m_level != 0) // use level if specified, otherwise use default.
{
compOptions.LevelDown = m_level;
}
else
{
compOptions.LevelDown = 3;
}
compOptions.LinkParams = true;
compOptions.CompParams = true;
compOptions.InstanceUseClassName = true;
inav = this.myController.GetComponentAndChildren(this.RootID, this.displayID, DiagramName, compOptions);
}
else
{
ComponentOptions compOptions = new ComponentOptions();
if (m_level != 0) // use level if specified, otherwise use default.
{
compOptions.LevelDown = m_level;
}
else
{
compOptions.LevelDown = 2;
}
compOptions.LinkParams = true;
compOptions.CompParams = true;
compOptions.InstanceUseClassName = true;
inav = this.myController.GetComponentAndChildren(this.RootID, this.RootID, DiagramName, compOptions);
}
XPathNavigator nav = inav.CreateNavigator();
if (transform != null)
{
XmlDocument newDocument = new XmlDocument();
using (XmlWriter writer = newDocument.CreateNavigator().AppendChild())
{
transform.Transform(inav, (XsltArgumentList)null, writer);
}
nav = newDocument.CreateNavigator();
}
// Perform a CRC checksum on the data coming back, only update if it has changed
//MD5CryptoServiceProvider x = new MD5CryptoServiceProvider();
//Byte[] bs = System.Text.Encoding.UTF8.GetBytes(nav.OuterXml);
//bs = x.ComputeHash(bs);
//System.Text.StringBuilder s = new System.Text.StringBuilder();
//foreach (Byte b in bs)
//{
// s.Append(b.ToString("x2").ToLower());
//}
//String newCrc = s.ToString();
//if (!crc.Equals(newCrc)) // otherwise update with the new data
{
//crc = newCrc;
this.Document.Clear();
// filter based on displayID
bool selectOffRoot = true;
if (displayID != RootID)
{
// set iterator to display ID
XPathNodeIterator iterator = nav.Select("//Component[@" + IDAttribute + "='" + displayID + "']");
if (iterator.Count == 1)
{
iterator.MoveNext();
nav = iterator.Current;
selectOffRoot = false; // different xpaths below
}
}
if (nav.HasChildren)
{
Dictionary<int, DiagramNode> docNodes = new Dictionary<int, DiagramNode>();
XPathDocument pointReadDoc = new XPathDocument(fileName);
pointNav = new IndexingXPathNavigator(pointReadDoc.CreateNavigator());
pointNav.AddKey("IDKey", "/Nodes/Node", "concat(@ID, '||', @RootID, '||', @DiagramName)");
pointNav.BuildIndexes();
XPathNodeIterator listOfNodes = null;
if (selectOffRoot)
{
listOfNodes = nav.Select("/Components/Component/Component"); // path relative to root
}
else
{
listOfNodes = nav.Select("Component"); // path relative to any component
}
//bool promptOnce = true;
int defaultNodePositionX = 20;
int defaultNodePositionY = 20;
// for save information
StreamReader tempStream = LoadDiagramsXML();
foreach (XPathNavigator nodeNav in listOfNodes)
{
string componentType = nodeNav.GetAttribute(TypeAttribute, nodeNav.NamespaceURI);
if (allowedTypes.Count > 0) // filter if types are provided
{
if (allowedTypes.Contains(componentType))
{
CreateNode(nodeNav, docNodes, ref defaultNodePositionX, ref defaultNodePositionY);
}
}
else
{
CreateNode(nodeNav, docNodes, ref defaultNodePositionX, ref defaultNodePositionY);
}
}
UnloadDiagramsXML(tempStream, true);
int toID, fromID, linkID;
String linkString;
//now, form links.
foreach (XPathNavigator nodeNav in listOfNodes)
{
fromID = Int32.Parse(nodeNav.GetAttribute(IDAttribute, nodeNav.NamespaceURI));
if (nodeNav.HasChildren)
{
XPathNodeIterator listOfChildren = nodeNav.Select("Component");
foreach (XPathNavigator childNav in listOfChildren)
{
toID = Int32.Parse(childNav.GetAttribute(IDAttribute, childNav.NamespaceURI));
linkString = childNav.GetAttribute(LinkIDAttribute, childNav.NamespaceURI);
if (linkString.Length > 0)
{
linkID = Int32.Parse(linkString);
}
else
{
linkID = -1;
}
string componentType = childNav.GetAttribute(TypeAttribute, childNav.NamespaceURI);
if (allowedTypes.Count > 0) // filter if types are provided
{
if (allowedTypes.Contains(componentType))
{
this.CreateLink(childNav, linkID, docNodes, fromID, toID);
}
}
else
{
this.CreateLink(childNav, linkID, docNodes, fromID, toID);
}
}
}
}
}
}
// ensure if we're at a fixed size that the objects fit inside the document
// expand if needed, e.g. negative coordinates
if (this.Document.FixedSize == true && this.BackgroundImage != null)
{
RectangleF newBounds = this.Document.ComputeBounds();
Boolean tlChanged = false;
int newWidth = this.BackgroundImage.Width, newHeight = this.BackgroundImage.Height;
int newBoundsBottom = (int)(newBounds.Y+newBounds.Height);
int newBoundsRight = (int)(newBounds.X + newBounds.Width);
if (newBounds.X < 0)
{
// we've expanded
newWidth = newWidth + (int)(0 - newBounds.X);
tlChanged = true;
}
if (newBoundsRight > this.BackgroundImage.Width)
{
// we've expanded
newWidth = newWidth + (int)(newBoundsRight - this.BackgroundImage.Width);
tlChanged = true;
}
if (newBounds.Y < 0)
{
newHeight = newHeight + (int)(0 - newBounds.Y);
tlChanged = true;
}
if (newBoundsBottom > this.BackgroundImage.Height)
{
newHeight = newHeight + (int)(newBoundsBottom - this.BackgroundImage.Height);
tlChanged = true;
}
if (tlChanged)
{
if (newBounds.X < 0)
{
this.Document.TopLeft = new PointF(newBounds.X, this.Document.TopLeft.Y);
}
else
{
this.Document.TopLeft = new PointF(0, this.Document.TopLeft.Y);
}
if (newBounds.Y < 0)
{
this.Document.TopLeft = new PointF(this.Document.TopLeft.X, newBounds.Y);
}
else
{
this.Document.TopLeft = new PointF(this.Document.TopLeft.X, 0);
}
this.Document.Size = new SizeF(newWidth, newHeight);
this.DocPosition = this.LimitDocPosition(this.DocPosition);
}
else
{
this.Document.TopLeft = new PointF(0, 0);
this.Document.Size = this.BackgroundImage.Size;
this.DocPosition = this.LimitDocPosition(this.DocPosition);
}
}
DrawingUtility.ResumeDrawing(this);
}
