private static ShowPlanElement ReadPlanElement(XPathNavigator elementNavigator)
{
ShowPlanOperator op = (ShowPlanOperator) Enum.Parse(typeof(ShowPlanOperator), elementNavigator.GetAttribute("operator", String.Empty));
List<ShowPlanProperty> properties = new List<ShowPlanProperty>();
foreach (XPathNavigator propertyNavigator in elementNavigator.Select("properties/property"))
{
string propertyName = propertyNavigator.GetAttribute("name", String.Empty);
string propertyValue = propertyNavigator.GetAttribute("value", String.Empty);
ShowPlanProperty property = new ShowPlanProperty(propertyName, propertyValue);
properties.Add(property);
}
List<ShowPlanElement> children = new List<ShowPlanElement>();
foreach (XPathNavigator childNode in elementNavigator.Select("input/*"))
{
ShowPlanElement childElement = ReadPlanElement(childNode);
children.Add(childElement);
}
ShowPlanElement element = new ShowPlanElement(op, properties, children);
return element;
}
private static void AreEqual(ShowPlanElement expectedPlanElement, ShowPlanElement actualPlanElement)
{
Assert.AreEqual(expectedPlanElement.Operator, actualPlanElement.Operator);
Assert.AreEqual(expectedPlanElement.Properties.Count, actualPlanElement.Properties.Count, "Property count does not match.");
for (int i = 0; i < expectedPlanElement.Properties.Count; i++)
{
ShowPlanProperty expectedProperty = expectedPlanElement.Properties[i];
ShowPlanProperty actualProperty = actualPlanElement.Properties[i];
Assert.AreEqual(expectedProperty.FullName, actualProperty.FullName, "Property full name does not match.");
Assert.AreEqual(expectedProperty.Value, actualProperty.Value, "Value of property {0} does not match.", expectedProperty.FullName);
}
Assert.AreEqual(expectedPlanElement.Children.Count, actualPlanElement.Children.Count, "Count of children does not match.");
for (int i = 0; i < expectedPlanElement.Children.Count; i++)
{
ShowPlanElement expectedChildElement = expectedPlanElement.Children[i];
ShowPlanElement actualChildElement = actualPlanElement.Children[i];
AreEqual(expectedChildElement, actualChildElement);
}
}
private static void AddChildrenToDictionary(List <ShowPlanProperty> target, string parentPath, Property property)
{
string path;
if (parentPath == null)
{
path = Escape(property.Name);
}
else
{
path = parentPath + "." + Escape(property.Name);
}
if (property.Value != null)
{
ShowPlanProperty planProperty = new ShowPlanProperty(path, property.Value);
target.Add(planProperty);
}
foreach (Property child in property.Children)
{
AddChildrenToDictionary(target, path, child);
}
}
private static void AddChildrenToDictionary(List<ShowPlanProperty> target, string parentPath, Property property)
{
string path;
if (parentPath == null)
path = Escape(property.Name);
else
path = parentPath + "." + Escape(property.Name);
if (property.Value != null)
{
ShowPlanProperty planProperty = new ShowPlanProperty(path, property.Value);
target.Add(planProperty);
}
foreach (Property child in property.Children)
AddChildrenToDictionary(target, path, child);
}
