Public Member Functions | |
TBtLeafNode (TBtInnerNode *p, const TObject *obj=0, TBtree *t=0) | |
Constructor. | |
~TBtLeafNode () | |
Destructor. | |
void | Add (const TObject *obj, Int_t idx) |
Add the object OBJ to the leaf node, inserting it at location INDEX in the fItem array. | |
void | Append (TObject *obj) |
Never called from anywhere where it might fill up THIS does NOT handle nofKeys. | |
void | AppendFrom (TBtLeafNode *src, Int_t start, Int_t stop) |
A convenience function, does not worry about the element in the parent, simply moves elements from SRC[start] to SRC[stop] into the current array. | |
void | BalanceWith (TBtLeafNode *n, Int_t idx) |
PITEM is the parent item whose key will change when keys are shifted from one LeafNode to the other. | |
void | BalanceWithLeft (TBtLeafNode *l, Int_t idx) |
THIS has more than LEFTSIB; move some items from THIS to LEFTSIB. | |
void | BalanceWithRight (TBtLeafNode *r, Int_t idx) |
THIS has more than RIGHTSIB; move some items from THIS to RIGHTSIB. | |
Int_t | FindRank (const TObject *obj) const |
WHAT was not in any inner node; it is either here, or it's not in the tree. | |
TBtLeafNode * | FirstLeafNode () |
Return the first node. | |
TObject * | Found (const TObject *obj, TBtNode **which, Int_t *where) |
WHAT was not in any inner node; it is either here, or it's not in the tree. | |
TObject * | GetKey (Int_t idx) |
Int_t | IndexOf (const TObject *obj) const |
Returns a number in the range 0 to MaxIndex(). | |
Int_t | IsAlmostFull () const |
Int_t | IsFull () const |
Int_t | IsLow () const |
TBtLeafNode * | LastLeafNode () |
return the last node. | |
Int_t | MaxIndex () const |
Int_t | MaxPsize () const |
void | MergeWithRight (TBtLeafNode *r, Int_t idx) |
Merge. | |
Int_t | NofKeys () const |
Return the number of keys. | |
Int_t | NofKeys (Int_t i) const |
Return the number of keys. | |
TObject * | operator[] (Int_t i) const |
Int_t | Psize () const |
void | PushLeft (Int_t cnt, TBtLeafNode *l, Int_t parentIndex) |
noFromThis==1 => moves the parent item into the leftsib, and the first item in this's array into the parent item. | |
void | PushRight (Int_t cnt, TBtLeafNode *r, Int_t parentIndex) |
noFromThis==1 => moves the parent item into the rightsib, and the last item in this's array into the parent item. | |
void | Remove (Int_t idx) |
Remove an element. | |
void | RemoveItem (Int_t idx) |
void | SetKey (Int_t idx, TObject *obj) |
void | ShiftLeft (Int_t cnt) |
Shift. | |
void | Split () |
This function is called only when THIS is the only descendent of the root node, and THIS needs to be split. | |
void | SplitWith (TBtLeafNode *r, Int_t idx) |
Split. | |
Int_t | Vsize () const |
Public Member Functions inherited from TBtNode | |
TBtNode (Int_t isleaf, TBtInnerNode *p, TBtree *t=0) | |
Create a B-tree node. | |
virtual | ~TBtNode () |
Delete a B-tree node. | |
virtual TBtree * | GetParentTree () const |
Private Attributes | |
TObject ** | fItem |
Friends | |
class | TBtInnerNode |
Additional Inherited Members | |
Protected Attributes inherited from TBtNode | |
Int_t | fIsLeaf |
Int_t | fLast |
TBtInnerNode * | fParent |
TBtree * | fTree |
#include <TBtree.h>
TBtLeafNode::TBtLeafNode | ( | TBtInnerNode * | p, |
const TObject * | obj = 0 , |
||
TBtree * | t = 0 |
||
) |
Constructor.
Definition at line 1363 of file TBtree.cxx.
TBtLeafNode::~TBtLeafNode | ( | ) |
Destructor.
Definition at line 1376 of file TBtree.cxx.
Add the object OBJ to the leaf node, inserting it at location INDEX in the fItem array.
Implements TBtNode.
Definition at line 1385 of file TBtree.cxx.
Never called from anywhere where it might fill up THIS does NOT handle nofKeys.
Definition at line 1442 of file TBtree.cxx.
void TBtLeafNode::AppendFrom | ( | TBtLeafNode * | src, |
Int_t | start, | ||
Int_t | stop | ||
) |
A convenience function, does not worry about the element in the parent, simply moves elements from SRC[start] to SRC[stop] into the current array.
This should never create a full node. That is, it is not used anywhere where THIS could possibly be near full. Does NOT handle nofKeys.
Definition at line 1426 of file TBtree.cxx.
void TBtLeafNode::BalanceWith | ( | TBtLeafNode * | n, |
Int_t | idx | ||
) |
PITEM is the parent item whose key will change when keys are shifted from one LeafNode to the other.
Definition at line 1475 of file TBtree.cxx.
void TBtLeafNode::BalanceWithLeft | ( | TBtLeafNode * | l, |
Int_t | idx | ||
) |
THIS has more than LEFTSIB; move some items from THIS to LEFTSIB.
Definition at line 1452 of file TBtree.cxx.
void TBtLeafNode::BalanceWithRight | ( | TBtLeafNode * | r, |
Int_t | idx | ||
) |
THIS has more than RIGHTSIB; move some items from THIS to RIGHTSIB.
Definition at line 1463 of file TBtree.cxx.
WHAT was not in any inner node; it is either here, or it's not in the tree.
Implements TBtNode.
Definition at line 1487 of file TBtree.cxx.
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virtual |
WHAT was not in any inner node; it is either here, or it's not in the tree.
Implements TBtNode.
Definition at line 1510 of file TBtree.cxx.
Returns a number in the range 0 to MaxIndex().
Definition at line 1533 of file TBtree.cxx.
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virtual |
void TBtLeafNode::MergeWithRight | ( | TBtLeafNode * | r, |
Int_t | idx | ||
) |
Merge.
Definition at line 1554 of file TBtree.cxx.
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virtual |
Return the number of keys.
Definition at line 1567 of file TBtree.cxx.
void TBtLeafNode::PushLeft | ( | Int_t | cnt, |
TBtLeafNode * | l, | ||
Int_t | parentIndex | ||
) |
noFromThis==1 => moves the parent item into the leftsib, and the first item in this's array into the parent item.
Definition at line 1593 of file TBtree.cxx.
void TBtLeafNode::PushRight | ( | Int_t | cnt, |
TBtLeafNode * | r, | ||
Int_t | parentIndex | ||
) |
noFromThis==1 => moves the parent item into the rightsib, and the last item in this's array into the parent item.
Definition at line 1612 of file TBtree.cxx.
Shift.
Definition at line 1679 of file TBtree.cxx.
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virtual |
This function is called only when THIS is the only descendent of the root node, and THIS needs to be split.
Assumes that idx of THIS in Parent is 0.
Implements TBtNode.
Definition at line 1693 of file TBtree.cxx.
void TBtLeafNode::SplitWith | ( | TBtLeafNode * | r, |
Int_t | idx | ||
) |
Split.
Definition at line 1706 of file TBtree.cxx.
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friend |