Soprano
2.7.5
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00001 /* 00002 * This file is part of Soprano Project. 00003 * 00004 * Copyright (C) 2007-2008 Sebastian Trueg <trueg@kde.org> 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Library General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2 of the License, or (at your option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Library General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Library General Public License 00017 * along with this library; see the file COPYING.LIB. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 */ 00021 00022 #ifndef _SOPRANO_INDEX_MODEL_FILTER_H_ 00023 #define _SOPRANO_INDEX_MODEL_FILTER_H_ 00024 00025 #include "filtermodel.h" 00026 #include "soprano_export.h" 00027 00028 namespace Soprano { 00029 00030 namespace Query { 00031 class Query; 00032 } 00033 00044 namespace Index { 00045 00046 class CLuceneIndex; 00047 class QueryResult; 00048 class IndexFilterModelPrivate; 00049 00061 class SOPRANO_INDEX_EXPORT IndexFilterModel : public Soprano::FilterModel 00062 { 00063 public: 00073 IndexFilterModel( const QString& indexDir, Soprano::Model* model = 0 ); 00074 00083 IndexFilterModel( CLuceneIndex* index, Soprano::Model* model = 0 ); 00084 00088 ~IndexFilterModel(); 00089 00093 CLuceneIndex* index() const; 00094 00102 Soprano::Error::ErrorCode addStatement( const Soprano::Statement &statement ); 00103 00109 Soprano::Error::ErrorCode removeStatement( const Soprano::Statement &statement ); 00110 00116 Soprano::Error::ErrorCode removeAllStatements( const Soprano::Statement &statement ); 00117 00142 QueryResultIterator executeQuery( const QString& query, Query::QueryLanguage language, const QString& userQueryLanguage = QString() ) const; 00143 00144 /* 00145 * Extract full text matching parts of a %query and replace them with 00146 * results from an index %query. 00147 * 00148 * \param query The query to rewrite. 00149 * 00150 * \return A rewritten query stripped of all full test and regexp matching parts 00151 * and replaced by results from an index query. 00152 */ 00153 // Query::Query evaluateAndRewriteQuery( const Query::Query& query ) const; 00154 00165 void setTransactionCacheSize( int size ); 00166 00172 int transactionCacheSize() const; 00173 00182 void rebuildIndex(); 00183 00192 void optimizeIndex(); 00193 00206 void addIndexOnlyPredicate( const QUrl& predicate ); 00207 00220 void setIndexOnlyPredicates( const QList<QUrl>& predicates ); 00221 00235 QList<QUrl> indexOnlyPredicates() const; 00236 00248 void addForceIndexPredicate( const QUrl& predicate ); 00249 00279 void setForceIndexPredicates( const QList<QUrl>& predicates ); 00280 00291 QList<QUrl> forceIndexPredicates() const; 00292 00310 static QString encodeStringForLuceneQuery( const QString& value ); 00311 00329 static QString encodeUriForLuceneQuery( const QUrl& uri ); 00330 00331 using FilterModel::addStatement; 00332 using FilterModel::removeStatement; 00333 using FilterModel::removeAllStatements; 00334 00335 private: 00336 IndexFilterModelPrivate* const d; 00337 }; 00338 } 00339 } 00340 00341 #endif