102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
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/*
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "Algebra.h"
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#include "NestedList.h"
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#include "NList.h"
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#include "QueryProcessor.h"
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#include "AlgebraManager.h"
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#include "StandardTypes.h"
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#include "Symbols.h"
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#include "Stream.h"
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#include "ListUtils.h"
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#include "Algebras/Relation-C++/RelationAlgebra.h"
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#include <string>
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#include <iostream>
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#include <typeinfo>
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#include "../STR.h"
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#include "SpatialJoinMLocalInfo.h"
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#include "../tchNode.h"
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#include "../RTreeTouch.h"
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#include "Algebras/MainMemory2/MainMemoryExt.h"
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extern NestedList* nl;
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extern QueryProcessor *qp;
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using namespace std;
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using namespace mm2algebra;
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using namespace mmrtreetouch;
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SpatialJoinMLocalInfo::~SpatialJoinMLocalInfo() {
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delete rtree;
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vLeft.clear();
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vRight.clear();
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}
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SpatialJoinMLocalInfo::SpatialJoinMLocalInfo(
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vector<Tuple*> vLeftIn,
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vector<Tuple*> vRightIn,
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int vLeftIndexIn,
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int vRightIndexIn,
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TupleType* ttIn,
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int fanoutIn,
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int numOfItemsInBucket,
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int cellFactor
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) {
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vLeft = vLeftIn;
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vRight = vRightIn;
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tt = ttIn;
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vector<tchNode*> buckets = STR::createBuckets(
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vLeft,
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vLeftIndexIn,
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numOfItemsInBucket
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);
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rtree = new RTreeTouch(tt, vLeftIndexIn, vRightIndexIn, cellFactor);
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int fanout = fanoutIn;
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rtree->constructTree(buckets, fanout);
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}
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MemoryRelObject* SpatialJoinMLocalInfo::getMatchings(vector<Tuple*> vRight) {
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MemoryRelObject* matchings = new MemoryRelObject();
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for (Tuple* Btuple: vRight) {
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rtree->assignTupleB(Btuple);
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}
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vector<Tuple*> matchingsVector = rtree->findMatchings();
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for (Tuple* match: matchingsVector) {
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matchings->addTuple(match);
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}
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return matchings;
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}
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