/// <summary>
///
/// </summary>
/// <param name="root"></param>
/// <param name="reader"></param>
/// <param name="prefix"></param>
public void PopulateTree(CompositeNode root, IDataReader reader, String prefix)
{
string[] fields = GetFields(reader);
int[] indexesToSkip = FindDuplicateFields(fields);
IndexedNode indexNode = new IndexedNode(prefix);
int row = 0;
while(reader.Read())
{
CompositeNode node = new CompositeNode(row.ToString());
for(int i=0; i<reader.FieldCount; i++)
{
// Is in the skip list?
if (Array.IndexOf(indexesToSkip, i) >= 0) continue;
// Is null?
if (reader.IsDBNull(i)) continue;
Type fieldType = reader.GetFieldType(i);
node.AddChildNode(new LeafNode(fieldType, fields[i], reader.GetValue(i)));
}
indexNode.AddChildNode(node);
row++;
}
root.AddChildNode(indexNode);
}
private static CompositeNode GetParamsNode(int expectedValue)
{
CompositeNode paramsNode = new CompositeNode("root");
IndexedNode listNode = new IndexedNode("myList");
paramsNode.AddChildNode(listNode);
listNode.AddChildNode(new LeafNode(typeof(int), "", expectedValue));
return paramsNode;
}
private object ConvertComplexNodesToArray(Type desiredType, IndexedNode parent, out bool conversionSucceeded)
{
Type arrayElemType = desiredType.GetElementType();
ArrayList validItems = ConvertComplexNodesToList(arrayElemType, parent, out conversionSucceeded);
return(conversionSucceeded ? validItems.ToArray(arrayElemType) : Array.CreateInstance(arrayElemType, 0));
}
private IndexedNode GetOrCreateIndexedNode(CompositeNode parent, string nodeName)
{
Node node = parent.GetChildNode(nodeName);
if (node != null && node.NodeType != NodeType.Indexed)
{
throw new BindingException("Attempt to create or obtain an indexed node " +
"named {0}, but a node with the same exists with the type {1}", nodeName, node.NodeType);
}
if (node == null)
{
node = new IndexedNode(nodeName);
parent.AddChildNode(node);
}
return((IndexedNode)node);
}
/// <summary>
///
/// </summary>
/// <param name="root"></param>
/// <param name="reader"></param>
/// <param name="prefix"></param>
public void PopulateTree(CompositeNode root, IDataReader reader, String prefix)
{
string[] fields = GetFields(reader);
int[] indexesToSkip = FindDuplicateFields(fields);
var indexNode = new IndexedNode(prefix);
int row = 0;
while (reader.Read())
{
var node = new CompositeNode(row.ToString());
for (int i = 0; i < reader.FieldCount; i++)
{
// Is in the skip list?
if (Array.IndexOf(indexesToSkip, i) >= 0)
{
continue;
}
// Is null?
if (reader.IsDBNull(i))
{
continue;
}
Type fieldType = reader.GetFieldType(i);
node.AddChildNode(new LeafNode(fieldType, fields[i], reader.GetValue(i)));
}
indexNode.AddChildNode(node);
row++;
}
root.AddChildNode(indexNode);
}
private ArrayList ConvertComplexNodesToList(Type elemType, IndexedNode parent, out bool conversionSucceeded)
{
conversionSucceeded = true;
var validItems = new ArrayList();
foreach (Node node in parent.ChildNodes)
{
if (node.NodeType == NodeType.Composite)
{
var lnode = node as CompositeNode;
validItems.Add(InternalBindObject(elemType, parent.Name, lnode, out conversionSucceeded));
if (!conversionSucceeded)
{
break;
}
}
}
return(validItems);
}
private ArrayList ConvertComplexNodesToList(Type elemType, IndexedNode parent, out bool conversionSucceeded)
{
conversionSucceeded = true;
ArrayList validItems = new ArrayList();
foreach(Node node in parent.ChildNodes)
{
if (node.NodeType == NodeType.Composite)
{
CompositeNode lnode = node as CompositeNode;
validItems.Add(InternalBindObject(elemType, parent.Name, lnode, out conversionSucceeded));
if (!conversionSucceeded)
{
break;
}
}
}
return validItems;
}
private object ConvertComplexNodesToArray(Type desiredType, IndexedNode parent, out bool conversionSucceeded)
{
Type arrayElemType = desiredType.GetElementType();
ArrayList validItems = ConvertComplexNodesToList(arrayElemType, parent, out conversionSucceeded);
return conversionSucceeded ? validItems.ToArray(arrayElemType) : Array.CreateInstance(arrayElemType, 0);
}
private IndexedNode GetOrCreateIndexedNode(CompositeNode parent, string nodeName)
{
Node node = parent.GetChildNode(nodeName);
if (node != null && node.NodeType != NodeType.Indexed)
{
throw new BindingException("Attempt to create or obtain an indexed node " +
"named {0}, but a node with the same exists with the type {1}", nodeName, node.NodeType);
}
if (node == null)
{
node = new IndexedNode(nodeName);
parent.AddChildNode(node);
}
return (IndexedNode) node;
}
