public BTreeAnalysisModel(BTreeReport bt)
{
_btreeReport = bt;
Label = Name;
var root = new NodeAnalysisModel(bt.RootNode);
Children.Add(root);
TotalKeyCount = root.TotalKeyCount;
TotalNodeCount = root.TotalChildCount + 1;
AvgKeysPerNode = TotalKeyCount/(double)TotalNodeCount;
}
/// <summary>
/// Invoked when the crawler encounters a BTree
/// </summary>
/// <param name="btreeName">The internal name for the btree</param>
/// <param name="btreeId">The id of the btree root object</param>
/// <param name="branchingFactor">The BTree's branching factor (maximum keys per node)</param>
/// <param name="minimizationFactor">The BTree's minimization factor (minimum keys per node)</param>
public void OnBTreeStart(string btreeName, ulong btreeId, int branchingFactor, int minimizationFactor)
{
_btreeReport = new BTreeReport(btreeName, btreeId, branchingFactor, minimizationFactor);
}
/// <summary>
/// Invoked when the crawler finishes processing a related resource list and all of its contents
/// </summary>
/// <param name="listId"></param>
public void OnRelatedResourceListEnd(ulong listId)
{
_relatedResourceListReport = null;
}
/// <summary>
/// Invoked when the crawler finds a related resource list inside a BTree node
/// </summary>
/// <param name="listName"></param>
/// <param name="listId"></param>
/// <param name="branchingFactor"></param>
/// <param name="minimizationFactor"></param>
/// <remarks>On finding a related resource list, the crawler will crawl all the nodes in the related resource list btree, generating
/// OnNodeStart and OnNodeEnd events</remarks>
public void OnRelatedResourceListStart(string listName, ulong listId, int branchingFactor, int minimizationFactor)
{
_relatedResourceListReport = new BTreeReport(listName, listId, branchingFactor, minimizationFactor);
_nodeReportStack.Peek().RelatedResourceLists.Add(_relatedResourceListReport);
}
/// <summary>
/// Invoked when the crawler encounters a BTree
/// </summary>
/// <param name="btreeName">The internal name for the btree</param>
/// <param name="btreeId">The id of the btree root object</param>
/// <param name="branchingFactor">The BTree's branching factor (maximum keys per node)</param>
/// <param name="minimizationFactor">The BTree's minimization factor (minimum keys per node)</param>
public void OnBTreeStart(string btreeName, ulong btreeId, int branchingFactor, int minimizationFactor)
{
_btreeReport = new BTreeReport(btreeName, btreeId, branchingFactor, minimizationFactor);
}
/// <summary>
/// Invoked when the crawler finishes processing a related resource list and all of its contents
/// </summary>
/// <param name="listId"></param>
public void OnRelatedResourceListEnd(ulong listId)
{
_relatedResourceListReport = null;
}
/// <summary>
/// Invoked when the crawler finds a related resource list inside a BTree node
/// </summary>
/// <param name="listName"></param>
/// <param name="listId"></param>
/// <param name="branchingFactor"></param>
/// <param name="minimizationFactor"></param>
/// <remarks>On finding a related resource list, the crawler will crawl all the nodes in the related resource list btree, generating
/// OnNodeStart and OnNodeEnd events</remarks>
public void OnRelatedResourceListStart(string listName, ulong listId, int branchingFactor, int minimizationFactor)
{
_relatedResourceListReport = new BTreeReport(listName, listId, branchingFactor, minimizationFactor);
_nodeReportStack.Peek().RelatedResourceLists.Add(_relatedResourceListReport);
}
