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_GENERICNODE_H 00014 #define _STORAGE_GENERICNODE_H 00015 00021 #include <support/INode.h> 00022 #include <support/Locker.h> 00023 00024 #if _SUPPORTS_NAMESPACE 00025 namespace palmos { 00026 namespace storage { 00027 using namespace support; 00028 #endif 00029 00034 class IDatum; 00035 00036 // ========================================================================== 00037 // ========================================================================== 00038 00040 00053 class BGenericNode : public BnNode 00054 { 00055 public: 00056 // -------------------------------------------------------------- 00060 BGenericNode(); 00061 BGenericNode(const SContext& context); 00062 protected: 00063 virtual ~BGenericNode(); 00064 public: 00065 00067 00073 virtual lock_status_t Lock() const; 00074 00076 virtual void Unlock() const; 00077 00079 00080 // --------------------------------------------------------------------- 00087 00088 virtual sptr<INode> Attributes() const; 00090 virtual SString MimeType() const; 00092 virtual void SetMimeType(const SString& value); 00094 virtual nsecs_t CreationDate() const; 00096 virtual void SetCreationDate(nsecs_t value); 00098 virtual nsecs_t ModifiedDate() const; 00100 virtual void SetModifiedDate(nsecs_t value); 00102 virtual status_t Walk(SString* path, uint32_t flags, SValue* node); 00103 00105 status_t SetMimeTypeLocked(const SString& value); 00107 status_t SetCreationDateLocked(nsecs_t value); 00109 status_t SetModifiedDateLocked(nsecs_t value); 00111 00112 // --------------------------------------------------------------------- 00117 00119 00121 virtual status_t LookupEntry(const SString& entry, uint32_t flags, SValue* node) = 0; 00122 00124 00125 virtual sptr<INode> CreateNode(SString* name, status_t* err); 00126 00128 00129 virtual sptr<IDatum> CreateDatum(SString* name, uint32_t flags, status_t* err); 00130 00132 virtual SString MimeTypeLocked() const; 00134 virtual status_t StoreMimeTypeLocked(const SString& value); 00136 virtual nsecs_t CreationDateLocked() const = 0; 00138 virtual status_t StoreCreationDateLocked(nsecs_t value); 00140 virtual nsecs_t ModifiedDateLocked() const = 0; 00142 virtual status_t StoreModifiedDateLocked(nsecs_t value); 00143 00145 00146 // --------------------------------------------------------------------- 00163 00165 00167 virtual status_t LookupMetaEntry(const SString& entry, uint32_t flags, SValue* node); 00168 00170 00173 virtual status_t CreateMetaEntry(const SString& name, const SValue& initialValue, sptr<IDatum>* outDatum = NULL); 00174 00176 00178 virtual status_t RemoveMetaEntry(const SString& name); 00179 00181 00183 virtual status_t RenameMetaEntry(const SString& old_name, const SString& new_name); 00184 00186 00191 virtual status_t MetaEntryAtLocked(ssize_t index, uint32_t flags, SValue* key, SValue* entry); 00192 00194 00196 virtual size_t CountMetaEntriesLocked() const; 00197 00199 00200 protected: 00201 00202 private: 00203 class node_state; 00204 class meta_datum; 00205 friend class node_state; 00206 friend class meta_datum; 00207 00208 sptr<node_state> get_state_l() const; 00209 status_t get_meta_value_l(ssize_t index, SValue* key, SValue* value); 00210 status_t datum_changed_l(size_t index, const SValue& newValue); 00211 00212 mutable SLocker m_lock; 00213 mutable wptr<node_state> m_state; 00214 }; 00215 00216 // ========================================================================== 00217 // ========================================================================== 00218 00221 #if _SUPPORTS_NAMESPACE 00222 } } // namespace palmos::storage 00223 #endif 00224 00225 #endif // _STORAGE_GENERICNODE_H
Generated on Wed Dec 28 22:33:27 2005 by Doxygen 1.4.4 for OpenBinder Documentation Version 1.0
PalmSource, Inc. © 2005