virtual bool Create(bool writable = false) { return false; }
/// Destroys the 'source'
virtual bool Destroy() { return false; }
+ /// Begins a transaction
+ virtual void BeginTransaction(){}
+ ///Commits results and ends transaction
+ virtual void EndTransaction(){}
//====================================================================
virtual unsigned int GetNumberOfChildren(tree::Node* n) { return 0; }
//====================================================================
+ //====================================================================
+ /// Returns the attribute requested. Useful for synchronization.
+ virtual void GetAttribute(std::string levelDescriptor,
+ std::string searchParam,
+ std::string searchVal,
+ std::string key,
+ std::string& result){}
+ //====================================================================
+
//====================================================================
/// Recursively loads the children of node 'parent' until maxlevel
// is reached.
virtual void UnLoad(tree::Node* n) { return; }
//====================================================================
+ //====================================================================
+ /// Returns the top level node id for the given search param and search value
+ virtual void GetTopLevelNodeId(const std::string& searchParam,
+ const std::string& searchValue,
+ std::string& parent_id){ return; }
+ ///====================================================================
+
//====================================================================
// WRITE METHODS : WORK ONLY IN WRITE MODE
virtual bool SetAttribute(tree::Node*,
const std::string& key,
const std::string& value) { return false; }
+ // Sets an attribute
+ virtual void SetAttribute(const std::string& levelDescriptor,
+ const std::string& key,
+ const std::string& value,
+ const std::string& searchParam,
+ const std::string& searchVal){}
+ //Deletes the tuple that matches the parameters given
+ virtual void DeleteTuple(std::string levelDescriptor, std::string key, std::string value){}
+ //Deletes the entries that match the parameters given
+ virtual void RemoveEntries(const std::string i_table,
+ const std::string i_attribute,
+ const std::string i_operand,
+ const std::string i_val){}
+
//====================================================================