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Diffstat (limited to 'qlparser/qtcondense.hh')
-rw-r--r-- | qlparser/qtcondense.hh | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/qlparser/qtcondense.hh b/qlparser/qtcondense.hh new file mode 100644 index 0000000..46f2fac --- /dev/null +++ b/qlparser/qtcondense.hh @@ -0,0 +1,352 @@ +#ifndef _QTCONDENSE_ +#define _QTCONDENSE_ + +#include "qlparser/qtunaryoperation.hh" +#include "raslib/minterval.hh" +#include "catalogmgr/ops.hh" + +/* +* This file is part of rasdaman community. +* +* Rasdaman community is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* Rasdaman community is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>. +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see <http://www.rasdaman.org> +* or contact Peter Baumann via <baumann@rasdaman.com>. +*/ +/************************************************************** + * + * + * COMMENTS: + * + ************************************************************/ + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents a condense operation in the query tree. + +*/ + +class QtCondense : public QtUnaryOperation +{ + public: + /// constructor getting operation + QtCondense( Ops::OpType newOpType); + + /// constructor getting operation and operand + QtCondense( Ops::OpType newOpType, QtOperation* input ); + + /// method for computing full condense operation (without early termination option) + QtData* computeFullCondense( QtDataList* inputList, r_Minterval& areaOp);// = r_Minterval() ); + + /// test if the edge to the parent node is of type mdd or atomic + virtual QtAreaType getAreaType(); + + /// optimizing load access + virtual void optimizeLoad( QtTrimList* trimList ); + /** + The method deletes the given {\tt trimList} and passes the {\tt optimizeLoad} + message with empty triming list to its operand tree. + + Optimization process enters a new MDD area. + */ + + /// type checking of the subtree + virtual const QtTypeElement& checkType( QtTypeTuple* typeTuple = NULL ); + + /// prints the tree + virtual void printTree( int tab, std::ostream& s = std::cout, QtChildType mode = QT_ALL_NODES ); + + /// prints the algebraic expression + virtual void printAlgebraicExpression( std::ostream& s = std::cout ); + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + protected: + /// operation type + Ops::OpType opType; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + + + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents the specialized condenser {\tt some_cells()} in the query tree. + +*/ + +class QtSome : public QtCondense +{ + public: + /// default constructor + QtSome(); + + /// constructor getting the operand + QtSome( QtOperation* input ); + + /// optimizes the tree +// virtual void rewriteOps(); + + /// method for evaluating the node + QtData* evaluate( QtDataList* inputList ); + + /// method for identification of nodes + inline virtual const QtNodeType getNodeType() const; + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents the specialized condenser {\tt all_cells()} in the query tree. + +*/ + +class QtAll : public QtCondense +{ + public: + /// default constructor + QtAll(); + + /// constructor getting the operand + QtAll( QtOperation* input ); + + /// optimizes the tree +// virtual void rewriteOps(); + + /// method for evaluating the node + QtData* evaluate( QtDataList* inputList ); + + /// method for identification of nodes + inline virtual const QtNodeType getNodeType() const; + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents the specialized condenser {\tt count_cells()} in the query tree. + +*/ + +class QtCountCells : public QtCondense +{ + public: + /// default constructor + QtCountCells(); + + /// constructor getting the operand + QtCountCells( QtOperation* input ); + + /// method for evaluating the node + QtData* evaluate( QtDataList* inputList ); + + /// method for identification of nodes + inline virtual const QtNodeType getNodeType() const; + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents the specialized condenser {\tt add_cells()} in the query tree. + +*/ + +class QtAddCells : public QtCondense +{ + public: + /// default constructor + QtAddCells(); + + /// constructor getting the operand + QtAddCells( QtOperation* input ); + + /// method for evaluating the node + QtData* evaluate( QtDataList* inputList ); + + /// method for identification of nodes + inline virtual const QtNodeType getNodeType() const; + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents the specialized condenser {\tt avg_cells()} in the query tree. + +*/ + +class QtAvgCells : public QtCondense +{ + public: + /// default constructor + QtAvgCells(); + + /// constructor getting the operand + QtAvgCells( QtOperation* input ); + + /// method for evaluating the node + QtData* evaluate( QtDataList* inputList ); + + /// method for identification of nodes + inline virtual const QtNodeType getNodeType() const; + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents the specialized condenser {\tt min_cells()} in the query tree. + +*/ + +class QtMinCells : public QtCondense +{ + public: + /// default constructor + QtMinCells(); + + /// constructor getting the operand + QtMinCells( QtOperation* input ); + + /// method for evaluating the node + QtData* evaluate( QtDataList* inputList ); + + /// method for identification of nodes + inline virtual const QtNodeType getNodeType() const; + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + +//@ManMemo: Module: {\bf qlparser} + +/*@Doc: + + The class represents the specialized condenser {\tt max_cells()} in the query tree. + +*/ + +class QtMaxCells : public QtCondense +{ + public: + /// default constructor + QtMaxCells(); + + /// constructor getting the operand + QtMaxCells( QtOperation* input ); + + /// method for evaluating the node + QtData* evaluate( QtDataList* inputList ); + + /// method for identification of nodes + inline virtual const QtNodeType getNodeType() const; + + /// method returning class name + inline virtual const char* getClassName() const; + + /// method returning algebraic identifier + inline virtual const char* getAlgebraicName() const; + + private: + /// attribute for identification of nodes + static const QtNodeType nodeType; +}; + + +#include "qlparser/qtcondense.icc" + +#endif + |