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not working lmdb

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This commit is contained in:
Blue 2019-04-16 01:35:09 +03:00
parent e04f7db7c2
commit 0b4714688f
7 changed files with 323 additions and 25 deletions
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65
core/archive.h
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@ -22,6 +22,7 @@
#include <QObject>
#include "../global.h"
#include "lmdb++.h"
#include "../exception.h"
namespace Core {
@ -29,27 +30,75 @@ class Archive : public QObject
{
Q_OBJECT
public:
Archive(const QString& jid, QObject* parent);
Archive(const QString& jid, QObject* parent = 0);
~Archive();
void open(const QString& account);
QString addElement(const Shared::Message& message);
Shared::Message getElement(const QString& id) const;
Shared::Message oldest() const;
Shared::Message newest() const;
void removeElement(const QString& id);
void addElement(const Shared::Message& message);
Shared::Message getElement(const QString& id);
Shared::Message oldest();
QString oldestId();
Shared::Message newest();
QString newestId();
void clear();
void modifyElement(const QString& id, const Shared::Message& newValue);
unsigned int size() const;
long unsigned int size() const;
public:
const QString jid;
public:
class Directory:
public Utils::Exception
{
public:
Directory(const std::string& p_path):Exception(), path(p_path){}
std::string getMessage() const{return "Can't create directory for database at " + path;}
private:
std::string path;
};
class Closed:
public Utils::Exception
{
public:
Closed(const std::string& op, const std::string& acc):Exception(), operation(op), account(acc){}
std::string getMessage() const{return "An attempt to perform operation " + operation + " on closed archive for " + account;}
private:
std::string operation;
std::string account;
};
class NotFound:
public Utils::Exception
{
public:
NotFound(const std::string& k, const std::string& acc):Exception(), key(k), account(acc){}
std::string getMessage() const{return "Element for id " + key + " wasn't found in database " + account;}
private:
std::string key;
std::string account;
};
class Empty:
public Utils::Exception
{
public:
Empty(const std::string& acc):Exception(), account(acc){}
std::string getMessage() const{return "An attempt to read ordered elements from database " + account + " but it's empty";}
private:
std::string account;
};
private:
bool opened;
lmdb::env environment;
lmdb::dbi dbi;
lmdb::dbi order;
};
}