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diff --git a/src/assistant/lib/fulltextsearch/qindexwriter_p.h b/src/assistant/lib/fulltextsearch/qindexwriter_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team.
+** All rights reserved.
+**
+** Portion Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+****************************************************************************/
+
+#ifndef QINDEXWRITER_P_H
+#define QINDEXWRITER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of the help generator tools. This header file may change from version
+// to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qanalyzer_p.h"
+#include "qdocument_p.h"
+#include "qclucene_global_p.h"
+
+#include <QtCore/QString>
+#include <QtCore/QSharedDataPointer>
+#include <QtCore/QSharedData>
+
+CL_NS_DEF(index)
+    class IndexWriter;
+CL_NS_END
+CL_NS_USE(index)
+
+QT_BEGIN_NAMESPACE
+
+class QCLuceneIndexReader;
+
+class QHELP_EXPORT QCLuceneIndexWriterPrivate : public QSharedData
+{
+public:
+    QCLuceneIndexWriterPrivate();
+    QCLuceneIndexWriterPrivate(const QCLuceneIndexWriterPrivate &other);
+
+    ~QCLuceneIndexWriterPrivate();
+
+    IndexWriter *writer;
+    bool deleteCLuceneIndexWriter;
+
+private:
+    QCLuceneIndexWriterPrivate &operator=(const QCLuceneIndexWriterPrivate &other);
+};
+
+class QHELP_EXPORT QCLuceneIndexWriter
+{
+public:
+    enum {
+        DEFAULT_MERGE_FACTOR = 10,
+        COMMIT_LOCK_TIMEOUT = 10000,
+        DEFAULT_MAX_BUFFERED_DOCS = 10,
+        DEFAULT_MAX_FIELD_LENGTH = 10000,
+        DEFAULT_TERM_INDEX_INTERVAL = 128,
+        DEFAULT_MAX_MERGE_DOCS = 0x7FFFFFFFL
+    };
+
+	QCLuceneIndexWriter(const QString &path, QCLuceneAnalyzer &analyzer, 
+        bool create, bool closeDir = true);
+    virtual ~QCLuceneIndexWriter();
+
+	void close();
+	void optimize();
+    qint32 docCount();
+    QCLuceneAnalyzer getAnalyzer();
+	
+    void addIndexes(const QList<QCLuceneIndexReader*> &readers);
+    void addDocument(QCLuceneDocument &doc, QCLuceneAnalyzer &analyzer);
+
+	qint32 getMaxFieldLength() const;
+	void setMaxFieldLength(qint32 value);
+	
+    qint32 getMaxBufferedDocs() const;
+    void setMaxBufferedDocs(qint32 value);
+	
+	qint64 getWriteLockTimeout() const;
+    void setWriteLockTimeout(qint64 writeLockTimeout);
+	
+    qint64 getCommitLockTimeout() const;
+	void setCommitLockTimeout(qint64 commitLockTimeout);
+
+	qint32 getMergeFactor() const;
+	void setMergeFactor(qint32 value);
+
+    qint32 getTermIndexInterval() const;
+	void setTermIndexInterval(qint32 interval);
+	
+	qint32 getMinMergeDocs() const;
+	void setMinMergeDocs(qint32 value);
+
+	qint32 getMaxMergeDocs() const;
+	void setMaxMergeDocs(qint32 value);
+
+    bool getUseCompoundFile() const;
+	void setUseCompoundFile(bool value);
+
+protected:
+    QSharedDataPointer<QCLuceneIndexWriterPrivate> d;
+
+private:
+    QCLuceneAnalyzer analyzer;
+};
+
+QT_END_NAMESPACE
+
+#endif  // QINDEXWRITER_P_H