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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 

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