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138 lines
3.7 KiB
C++
138 lines
3.7 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/***********************************************************************
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* $Id: treenodeimpl.h 9210 2013-01-21 14:10:42Z rdempsey $
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*
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*
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***********************************************************************/
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/** @file */
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#ifndef EXECPLAN_TREENODEIMPL_H
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#define EXECPLAN_TREENODEIMPL_H
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#include <string>
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#include <iosfwd>
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#include "treenode.h"
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namespace messageqcpp
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{
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class ByteStream;
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}
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/**
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* Namespace
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*/
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namespace execplan
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{
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/** @brief A class to represent a generic TreeNode
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*
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* This class is a concrete implementation of the abstract class TreeNode. It's only used to
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* hold generic data long enough to parse into specific derrived classes.
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*/
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class TreeNodeImpl : public TreeNode
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{
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public:
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/**
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* Constructors
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*/
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TreeNodeImpl();
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TreeNodeImpl(const std::string& sql);
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// not needed yet
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//TreeNodeImpl(const TreeNodeImpl& rhs);
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/**
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* Destructors
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*/
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virtual ~TreeNodeImpl();
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/**
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* Accessor Methods
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*/
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/**
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* Operations
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*/
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virtual const std::string toString() const;
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virtual const std::string data() const
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{
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return fData;
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}
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virtual void data(const std::string data)
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{
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fData = data;
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}
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/** return a copy of this pointer
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*
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* deep copy of this pointer and return the copy
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*/
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inline virtual TreeNodeImpl* clone() const
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{
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return new TreeNodeImpl (*this);
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}
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/**
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* The serialization interface
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*/
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virtual void serialize(messageqcpp::ByteStream&) const;
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virtual void unserialize(messageqcpp::ByteStream&);
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/** @brief Do a deep, strict (as opposed to semantic) equivalence test
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*
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* Do a deep, strict (as opposed to semantic) equivalence test.
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* @return true iff every member of t is a duplicate copy of every member of this; false otherwise
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*/
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virtual bool operator==(const TreeNode* t) const;
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/** @brief Do a deep, strict (as opposed to semantic) equivalence test
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*
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* Do a deep, strict (as opposed to semantic) equivalence test.
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* @return true iff every member of t is a duplicate copy of every member of this; false otherwise
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*/
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bool operator==(const TreeNodeImpl& t) const;
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/** @brief Do a deep, strict (as opposed to semantic) equivalence test
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*
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* Do a deep, strict (as opposed to semantic) equivalence test.
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* @return false iff every member of t is a duplicate copy of every member of this; true otherwise
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*/
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virtual bool operator!=(const TreeNode* t) const;
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/** @brief Do a deep, strict (as opposed to semantic) equivalence test
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*
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* Do a deep, strict (as opposed to semantic) equivalence test.
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* @return false iff every member of t is a duplicate copy of every member of this; true otherwise
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*/
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bool operator!=(const TreeNodeImpl& t) const;
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private:
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//default okay
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//TreeNodeImpl& operator=(const TreeNodeImpl& rhs);
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std::string fData;
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};
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std::ostream& operator<<(std::ostream& os, const TreeNodeImpl& rhs);
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}
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#endif //EXECPLAN_TREENODEIMPL_H
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