Soprano 2.9.4
filtermodel.h
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1/*
2 * This file is part of Soprano Project.
3 *
4 * Copyright (C) 2007 Sebastian Trueg <trueg@kde.org>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#ifndef _SOPRANO_FILTER_MODEL_H_
23#define _SOPRANO_FILTER_MODEL_H_
24
25#include "model.h"
26#include "soprano_export.h"
27
28
29namespace Soprano {
49 {
50 Q_OBJECT
51
52 public:
56 virtual ~FilterModel();
57
59
63 virtual void setParentModel( Model* model );
64
69 virtual Model* parentModel() const;
71
73
76 virtual Error::ErrorCode addStatement( const Statement &statement );
77
81 Error::ErrorCode addStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() );
83
85
88 virtual Error::ErrorCode removeStatement( const Statement &statement );
89
93 Error::ErrorCode removeStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() );
94
98 virtual Error::ErrorCode removeAllStatements( const Statement &statement );
99
103 Error::ErrorCode removeAllStatements( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() );
105
107
110 virtual StatementIterator listStatements( const Statement &partial ) const;
111
115 StatementIterator listStatements( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() ) const;
116
120 virtual NodeIterator listContexts() const;
121
125// virtual QueryResultIterator executeQuery( const Query::Query& query ) const;
126
130 virtual QueryResultIterator executeQuery( const QString& query, Query::QueryLanguage language, const QString& userQueryLanguage = QString() ) const;
132
134
137 virtual bool containsStatement( const Statement &statement ) const;
138
142 bool containsStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() ) const;
143
147 virtual bool containsAnyStatement( const Statement &statement ) const;
148
152 bool containsAnyStatement( const Node& subject, const Node& predicate, const Node& object, const Node& context = Node() ) const;
154
156
159 virtual bool isEmpty() const;
160
164 virtual int statementCount() const;
166
168
171 virtual Error::ErrorCode write( QTextStream &os ) const;
173
175
180
181 using Model::addStatement;
182 using Model::removeStatement;
183 using Model::removeAllStatements;
184 using Model::listStatements;
185 using Model::containsStatement;
186 using Model::containsAnyStatement;
187
188 protected:
193
199 FilterModel( Model* parent );
200
206 virtual void parentStatementsAdded();
207
214
220 virtual void parentStatementAdded( const Statement& );
221
227 virtual void parentStatementRemoved( const Statement& );
228
229 private Q_SLOTS:
234 void slotStatementsAdded();
235
240 void slotStatementsRemoved();
241
246 void slotStatementAdded( const Soprano::Statement& );
247
252 void slotStatementRemoved( const Soprano::Statement& );
253
254 private:
255 class Private;
256 Private* const d;
257 };
258}
259
260#endif
A FilterModel is a virtual model that wraps another Model.
Definition: filtermodel.h:49
virtual Node createBlankNode()
virtual void setParentModel(Model *model)
virtual Error::ErrorCode addStatement(const Statement &statement)
virtual void parentStatementRemoved(const Statement &)
virtual bool isEmpty() const
StatementIterator listStatements(const Node &subject, const Node &predicate, const Node &object, const Node &context=Node()) const
virtual StatementIterator listStatements(const Statement &partial) const
virtual Model * parentModel() const
virtual Error::ErrorCode write(QTextStream &os) const
virtual void parentStatementsAdded()
bool containsStatement(const Node &subject, const Node &predicate, const Node &object, const Node &context=Node()) const
Error::ErrorCode addStatement(const Node &subject, const Node &predicate, const Node &object, const Node &context=Node())
bool containsAnyStatement(const Node &subject, const Node &predicate, const Node &object, const Node &context=Node()) const
Error::ErrorCode removeAllStatements(const Node &subject, const Node &predicate, const Node &object, const Node &context=Node())
virtual void parentStatementsRemoved()
virtual bool containsStatement(const Statement &statement) const
FilterModel(Model *parent)
virtual Error::ErrorCode removeAllStatements(const Statement &statement)
virtual NodeIterator listContexts() const
virtual void parentStatementAdded(const Statement &)
virtual int statementCount() const
virtual bool containsAnyStatement(const Statement &statement) const
Error::ErrorCode removeStatement(const Node &subject, const Node &predicate, const Node &object, const Node &context=Node())
virtual Error::ErrorCode removeStatement(const Statement &statement)
virtual QueryResultIterator executeQuery(const QString &query, Query::QueryLanguage language, const QString &userQueryLanguage=QString()) const
A Model is the central class in Soprano. It is a queryable collection of RDF quadruples,...
Definition: model.h:95
An iterator that provides a stream of Nodes.
Definition: nodeiterator.h:73
A Node represents one RDF resource.
Definition: node.h:54
An iterator for query results.
An iterator that provides a stream of Statements.
A Statement instance represents one RDF quadruple.
Definition: statement.h:48
#define SOPRANO_EXPORT