public BTreeNodeOnDisk GetNode(BTree.BTreeAlgorithm bTree)
{
BTreeNodeOnDisk r = null;
if (NodeAddress != -1)
{
r = BTreeNodeOnDisk.GetNode(bTree, NodeAddress);
}
return(r);
}
/// <summary>
/// Constructor expecting ParentTree and ParentNode params.
/// This form is invoked from another instance of this class when node
/// splitting occurs. Normally, node split occurs to accomodate new items that
/// could not be loaded to the node since the node is already full.
/// Calls <see cref="Initialize"/> for member initialization.
/// </summary>
/// <param name="bTree">Parent B-Tree instance</param>
/// <param name="parentNodeAddress">Parent Node instance</param>
protected BTreeNodeOnDisk(BTree.BTreeAlgorithm bTree, long parentNodeAddress)
{
Initialize(bTree, parentNodeAddress);
}
public BTreeNodeOnDisk(BTree.BTreeAlgorithm bTree)
{
Initialize(bTree, -1);
}
/// <summary>
/// Do class variable/object initialization. Usually invoked from this class' constructor.
/// </summary>
/// <param name="bTree">Parent BTree</param>
/// <param name="parentNodeAddress">Parent Node</param>
protected internal void Initialize(BTree.BTreeAlgorithm bTree, long parentNodeAddress)
{
DiskBuffer = bTree.CreateBlock(); //new Sop.DataBlock(bTree.IndexBlockSize);
Slots = new BTreeItemOnDisk[bTree.SlotLength];
ParentAddress = parentNodeAddress;
}