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DB.hpp

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#ifndef DB_H
#define DB_H

#include "Node.hpp"
#include "Bookmark.hpp"
#include "Folder.hpp"

#include <string>
#include <vector>

/*
 * Abstract class to represent a database connection.
 * Provides the methods so that the calling classes don't need to bother
 * what kind of database works behind the scenes.
 */
class DB {
 public:
        virtual ~DB() {}

        virtual Folder* getRoot() =0;

        virtual vector<Node*>& getChildren(Folder& parent) =0;

        virtual Node* getNode(const string& path) =0;

        /*
         * Return a folder by path.
         * The path must start with a slash.
         * \return returns null if no folder with that path is found. This will
         *         also happen if the item at the path is a bookmark instead of
         *         a folder.
         */
        virtual Folder* getFolder(const string& path) =0;

        virtual Bookmark* getBookmark(const string& path) =0;

        virtual void remove(Node* node, bool recurse=false) =0;

        virtual void save(Node* node) =0;

        virtual void connect(const string& database, const string& user_name,
                        const string& password) =0;

        virtual void disconnect() =0;

 protected:
        string _database;

        string _username;

        string _password;
};

#endif

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