103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
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/*
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\newpage
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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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//[_] [\_]
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//characters [1] verbatim: [$] [$]
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//characters [2] formula: [$] [$]
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//characters [3] capital: [\textsc{] [}]
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//characters [4] teletype: [\texttt{] [}]
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1.1 Headerfile "GTree[_]InternalNode.h"[4]
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January-May 2008, Mirko Dibbert
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*/
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#ifndef __GTREE_INTERNAL_NODE_H__
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#define __GTREE_INTERNAL_NODE_H__
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#include "GTree_GenericNodeBase.h"
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namespace gtree
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{
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/********************************************************************
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Class ~InternalNode~
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This class should be used as base for all internal nodes.
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********************************************************************/
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template<class TEntry>
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class InternalNode
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: public GenericNodeBase<TEntry>
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{
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public:
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/*
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Default constructor.
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*/
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inline InternalNode(NodeConfigPtr config, unsigned emptySize = 0)
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: GenericNodeBase<TEntry>(config, emptySize)
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{}
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/*
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Default copy constructor.
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*/
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inline InternalNode(const InternalNode& node)
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: GenericNodeBase<TEntry>(node)
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{}
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/*
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Virtual destructor.
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*/
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inline virtual ~InternalNode()
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{}
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/*
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Returns a reference to a copy of the node.
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*/
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virtual InternalNode *clone() const
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{ return new InternalNode(*this); }
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/*
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Returns the record id of the i-th chield node.
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*/
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virtual SmiRecordId chield(unsigned i) const
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{ return (GenericNodeBase<TEntry>::entry(i))->chield(); }
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/*
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Returns false, to indicate that this node is an internal node.
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*/
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virtual bool isLeaf() const
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{ return false; }
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};
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} // namespace gtree
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#endif // #define __GTREE_INTERNAL_NODE_H__
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