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# NodeBase.h

    00001 /**********************************************************************
    00002  * $Id: NodeBase.h 2556 2009-06-06 22:22:28Z strk $
    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_NODEBASE_H
    00017 #define GEOS_IDX_BINTREE_NODEBASE_H
    00018
    00019 #include <geos/export.h>
    00020 #include <vector>
    00021
    00022 // Forward declarations
    00023 namespace geos {
    00024         namespace index {
    00025                 namespace bintree {
    00026                         class Node;
    00027                         class Interval;
    00028                 }
    00029         }
    00030 }
    00031
    00032 namespace geos {
    00033 namespace index { // geos::index
    00034 namespace bintree { // geos::index::bintree
    00035
    00037 class GEOS_DLL NodeBase {
    00038
    00039 public:
    00040
    00041         static int getSubnodeIndex(Interval *interval, double centre);
    00042
    00043         NodeBase();
    00044
    00045         virtual ~NodeBase();
    00046
    00047         virtual std::vector<void*> *getItems();
    00048
    00049         virtual void add(void* item);
    00050
    00051         virtual std::vector<void*>* addAllItems(std::vector<void*> *newItems);
    00052
    00053         virtual std::vector<void*>* addAllItemsFromOverlapping(Interval *interval,
    00054                         std::vector<void*> *resultItems);
    00055
    00056         virtual int depth();
    00057
    00058         virtual int size();
    00059
    00060         virtual int nodeSize();
    00061
    00062 protected:
    00063
    00064         std::vector<void*>* items;
    00065
    00071         Node* subnode[2];
    00072
    00073         virtual bool isSearchMatch(Interval *interval)=0;
    00074 };
    00075
    00076 } // namespace geos::index::bintree
    00077 } // namespace geos::index
    00078 } // namespace geos
    00079
    00080 #endif // GEOS_IDX_BINTREE_NODEBASE_H
    00081
    00082 /**********************************************************************
    00083  * $Log$
    00084  * Revision 1.1  2006/03/22 16:01:33  strk
    00085  * indexBintree.h header split, classes renamed to match JTS
    00086  *
    00087  **********************************************************************/
    00088