Generated on Wed Dec 28 22:33:27 2005 by Doxygen 1.4.4 for OpenBinder Documentation Version 1.0
PalmSource, Inc. © 2005
00001 /* 00002 * Copyright (c) 2005 Palmsource, Inc. 00003 * 00004 * This software is licensed as described in the file LICENSE, which 00005 * you should have received as part of this distribution. The terms 00006 * are also available at http://www.openbinder.org/license.html. 00007 * 00008 * This software consists of voluntary contributions made by many 00009 * individuals. For the exact contribution history, see the revision 00010 * history and logs, available at http://www.openbinder.org 00011 */ 00012 00013 #ifndef _STORAGE_INDEXEDDATANODE_H 00014 #define _STORAGE_INDEXEDDATANODE_H 00015 00021 #include <storage/MetaDataNode.h> 00022 #include <storage/IndexedIterable.h> 00023 #include <storage/DatumGeneratorInt.h> 00024 00025 #if _SUPPORTS_NAMESPACE 00026 namespace palmos { 00027 namespace storage { 00028 #endif 00029 00034 00035 00056 class BIndexedDataNode : public BMetaDataNode, public BIndexedIterable, public SDatumGeneratorInt 00057 { 00058 public: 00059 // -------------------------------------------------------------- 00063 BIndexedDataNode(uint32_t mode = IDatum::READ_WRITE); 00064 BIndexedDataNode(const SContext& context, uint32_t mode = IDatum::READ_WRITE); 00065 protected: 00066 virtual ~BIndexedDataNode(); 00067 public: 00068 00070 virtual lock_status_t Lock() const; 00072 virtual void Unlock() const; 00074 inline SContext Context() { return BMetaDataNode::Context(); } 00076 virtual SValue Inspect(const sptr<IBinder>& caller, const SValue& which, uint32_t flags); 00077 00079 00080 // -------------------------------------------------------------- 00084 00086 virtual status_t LookupEntry(const SString& entry, uint32_t flags, SValue* node); 00088 virtual status_t EntryAtLocked(const sptr<IndexedIterator>& it, size_t index, uint32_t flags, SValue* key, SValue* entry); 00090 virtual void ReportChangeAtLocked(size_t index, const sptr<IBinder>& editor, uint32_t changes, off_t start=-1, off_t length=-1); 00092 00094 status_t FetchEntryAtLocked(size_t index, uint32_t flags, SValue* entry); 00095 00097 00102 virtual bool AllowDataAtLocked(size_t index) const; 00103 00105 00106 // -------------------------------------------------------------- 00111 00113 00114 virtual ssize_t EntryIndexOfLocked(const SString& entry) const = 0; 00116 00118 virtual SString EntryNameAtLocked(size_t index) const = 0; 00119 00121 00122 // -------------------------------------------------------------- 00127 00129 virtual size_t CountEntriesLocked() const = 0; 00131 virtual SValue ValueAtLocked(size_t index) const = 0; 00133 virtual status_t StoreValueAtLocked(size_t index, const SValue& value) = 0; 00134 00136 00137 private: 00138 BIndexedDataNode(const BIndexedDataNode&); 00139 BIndexedDataNode& operator=(const BIndexedDataNode&); 00140 }; 00141 00142 // ========================================================================== 00143 // ========================================================================== 00144 00147 #if _SUPPORTS_NAMESPACE 00148 } } // namespace palmos::storage 00149 #endif 00150 00151 #endif // _STORAGE_INDEXEDDATANODE_H 00152
Generated on Wed Dec 28 22:33:27 2005 by Doxygen 1.4.4 for OpenBinder Documentation Version 1.0
PalmSource, Inc. © 2005