92 lines
1.7 KiB
C++
92 lines
1.7 KiB
C++
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2011, 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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//[_] [\_]
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*/
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#ifndef TUPLESTORE3_H
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#define TUPLESTORE3_H
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#include "Algebras/Relation-C++/RelationAlgebra.h"
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#include "Algebras/TupleIdentifier/TupleIdentifier.h"
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/*
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1.4.3 class TupleStore3
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This class stores all incoming tuples within a relation.
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No cache is used for the tuples.
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*/
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class TupleStore3{
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public:
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/*
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~Constructor~
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The maxMem parameter is ignored.
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*/
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TupleStore3(size_t maxMem);
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/*
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~Destructor~
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*/
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~TupleStore3();
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/*
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~AppendTuple~
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Appends a tuple to this store. The id of the tuple is
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changed by this operation. The new tuple id is also the
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return value of this function.
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*/
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TupleId AppendTuple(Tuple* t);
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/*
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~GetTuple~
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Retrieves a tuple from this store. If no tuple with given
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id is present, 0 is returned.
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*/
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Tuple* GetTuple(const TupleId tid);
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private:
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Relation* rel; // internal store
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};
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#endif
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