Soprano  2.8.0
statementiterator.h
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1 /*
2  * This file is part of Soprano Project.
3  *
4  * Copyright (C) 2006 Daniele Galdi <daniele.galdi@gmail.com>
5  * Copyright (C) 2007 Sebastian Trueg <trueg@kde.org>
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public License
18  * along with this library; see the file COPYING.LIB. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef SOPRANO_STATEMENT_ITERATOR_H
24 #define SOPRANO_STATEMENT_ITERATOR_H
25 
26 #include "iterator.h"
27 #include "statement.h"
28 #include "soprano_export.h"
29 
30 #include <QtCore/QList>
31 
32 
33 namespace Soprano {
34 
35  class Node;
36  class NodeIterator;
37  class Statement;
38  class StatementIteratorBackend;
39 
75  class SOPRANO_EXPORT StatementIterator : public Iterator<Statement>
76  {
77  public:
82 
88 
90 
91  virtual ~StatementIterator();
92 
93  StatementIterator& operator=( const StatementIterator& );
94 
104  QList<Statement> allStatements() { return allElements(); }
105 
115  NodeIterator iterateSubjects() const;
116 
126  NodeIterator iteratePredicates() const;
127 
137  NodeIterator iterateObjects() const;
138 
148  NodeIterator iterateContexts() const;
149  };
150 }
151 
152 #endif // SOPRANO_STATEMENT_ITERATOR_H
153