src/add-ons/kernel/file_systems/packagefs/indices/AttributeIndexer.h

   1 /*
   2  * Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef ATTRIBUTE_INDEXER_H
   6 #define ATTRIBUTE_INDEXER_H
   7
   8
   9 #include <SupportDefs.h>
  10
  11 #include "String.h"
  12
  13
  14 class AttributeIndex;
  15 struct AttributeIndexTreeValue;
  16 class IndexedAttributeOwner;
  17
  18
  19 class AttributeIndexer {
  20 public:
  21                                                                 AttributeIndexer(AttributeIndex* index);
  22                                                                 ~AttributeIndexer();
  23
  24                         status_t                        CreateCookie(IndexedAttributeOwner* owner,
  25                                                                         void* attributeCookie, uint32 attributeType,
  26                                                                         size_t attributeSize, void*& _data,
  27                                                                         size_t& _toRead);
  28                         void                            DeleteCookie();
  29
  30                         AttributeIndexTreeValue* Cookie() const
  31                                                                         { return fCookie; }
  32
  33                         const String&           IndexName() const
  34                                                                         { return fIndexName; }
  35
  36 private:
  37                         AttributeIndex*         fIndex;
  38                         const String&           fIndexName;
  39                         uint32                          fIndexType;
  40                         AttributeIndexTreeValue* fCookie;
  41 };
  42
  43
  44 #endif  // ATTRIBUTE_INDEX_H