src/add-ons/kernel/file_systems/ramfs/NameIndex.h

   1 // NameIndex.h
   2
   3 #ifndef NAME_INDEX_H
   4 #define NAME_INDEX_H
   5
   6 #include "EntryListener.h"
   7 #include "Index.h"
   8 #include "TwoKeyAVLTree.h"
   9
  10 class NameIndexEntryIterator;
  11
  12 // NameIndex
  13 class NameIndex : public Index, private EntryListener {
  14 public:
  15         NameIndex(Volume *volume);
  16         virtual ~NameIndex();
  17
  18         virtual int32 CountEntries() const;
  19
  20         virtual status_t Changed(Entry *entry, const char *oldName);
  21
  22 private:
  23         virtual void EntryAdded(Entry *entry);
  24         virtual void EntryRemoved(Entry *entry);
  25
  26 protected:
  27         virtual AbstractIndexEntryIterator *InternalGetIterator();
  28         virtual AbstractIndexEntryIterator *InternalFind(const uint8 *key,
  29                                                                                                          size_t length);
  30
  31 private:
  32         class EntryTree;
  33         friend class NameIndexEntryIterator;
  34
  35         void _UpdateLiveQueries(Entry* entry, const char* oldName,
  36                 const char* newName);
  37
  38 private:
  39         EntryTree       *fEntries;
  40 };
  41
  42 #endif  // NAME_INDEX_H