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# Node.h

    00001 /**********************************************************************
    00002  * $Id: Node.h 1820 2006-09-06 16:54:23Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2006 Refractions Research Inc.
    00008  *
    00009  * This is free software; you can redistribute and/or modify it under
    00010  * the terms of the GNU Lesser General Public Licence as published
    00011  * by the Free Software Foundation.
    00012  * See the COPYING file for more information.
    00013  *
    00014  **********************************************************************/
    00015
    00016 #ifndef GEOS_IDX_BINTREE_NODE_H
    00017 #define GEOS_IDX_BINTREE_NODE_H
    00018
    00019 #include <geos/index/bintree/NodeBase.h> // for inheritance
    00020
    00021 // Forward declarations
    00022 namespace geos {
    00023         namespace index {
    00024                 namespace bintree {
    00025                         class Interval;
    00026                 }
    00027         }
    00028 }
    00029
    00030 namespace geos {
    00031 namespace index { // geos::index
    00032 namespace bintree { // geos::index::bintree
    00033
    00035 class Node: public NodeBase {
    00036
    00037 public:
    00038
    00039         static Node* createNode(Interval *itemInterval);
    00040
    00041         static Node* createExpanded(Node *node,Interval *addInterval);
    00042
    00043         Node(Interval *newInterval,int newLevel);
    00044
    00045         ~Node();
    00046
    00047         Interval* getInterval();
    00048
    00049         Node* getNode(Interval *searchInterval);
    00050
    00051         NodeBase* find(Interval *searchInterval);
    00052
    00053         void insert(Node *node);
    00054
    00055 private:
    00056
    00057         Interval *interval;
    00058
    00059         double centre;
    00060
    00061         int level;
    00062
    00063         Node* getSubnode(int index);
    00064
    00065         Node* createSubnode(int index);
    00066
    00067 protected:
    00068
    00069         bool isSearchMatch(Interval *itemInterval);
    00070 };
    00071
    00072 } // namespace geos::index::bintree
    00073 } // namespace geos::index
    00074 } // namespace geos
    00075
    00076 #endif // GEOS_IDX_BINTREE_NODE_H
    00077
    00078 /**********************************************************************
    00079  * $Log$
    00080  * Revision 1.1  2006/03/22 16:01:33  strk
    00081  * indexBintree.h header split, classes renamed to match JTS
    00082  *
    00083  **********************************************************************/
    00084