File indexing completed on 2024-04-28 15:39:59

 /* SPDX-FileCopyrightText: 2018 Robert Krawitz <rlk@alum.mit.edu>
 
    SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef OPTIMIZEDFILELIST_H
 #define OPTIMIZEDFILELIST_H
 #include <kpabase/FileNameList.h>
 
 #include <QMap>
 #include <QSet>
 #include <QString>
 #include <QStringList>
 
 namespace DB
 {
 typedef QSet<QString> StringSet;
 typedef QMap<QString, StringSet> DirMap;
 // Key is MD5 hash of the (opaque) contents of f_fsid
 typedef QMap<QString, QStringList> FSMap;
 
 /**
  * Provide a list of files optimized by filesystem.
  * File names are interleaved across all filesystems
  * with files belonging to them.
  *
  * In other words, you can put in a list of files, and get
  * back a list that is optimized for read performance.
  */
 class OptimizedFileList
 {
 public:
     explicit OptimizedFileList(const DB::FileNameList &files);
     explicit OptimizedFileList(const QStringList &files);
     QStringList optimizedFiles() const;
     DB::FileNameList optimizedDbFiles() const;
 
 private:
     OptimizedFileList();
     void optimizeFiles() const;
     const QStringList m_fileList;
     mutable QStringList m_optimizedList;
     mutable bool m_haveOptimizedFiles;
     mutable FSMap m_fsMap;
     static QString getDirName(const QString &);
 };
 
 }
 
 #endif /* OPTIMIZEDFILELIST_H */
 
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