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/*
* Copyright (C) 2016 Christian Mollekopf <mollekopf@kolabsys.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "sink_export.h"
#include "storage.h"
#include <QByteArrayList>
namespace Sink {
/**
* A remoteId mapping
*/
class SINK_EXPORT SynchronizerStore
{
public:
SynchronizerStore(Sink::Storage::DataStore::Transaction &);
/**
* Records a localId to remoteId mapping
*/
void recordRemoteId(const QByteArray &bufferType, const QByteArray &localId, const QByteArray &remoteId);
void removeRemoteId(const QByteArray &bufferType, const QByteArray &localId, const QByteArray &remoteId);
void updateRemoteId(const QByteArray &bufferType, const QByteArray &localId, const QByteArray &remoteId);
/**
* Tries to find a local id for the remote id, and creates a new local id otherwise.
*
* The new local id is recorded in the local to remote id mapping.
*/
QByteArray resolveRemoteId(const QByteArray &type, const QByteArray &remoteId);
/**
* Tries to find a remote id for a local id.
*
* This can fail if the entity hasn't been written back to the server yet.
*/
QByteArray resolveLocalId(const QByteArray &bufferType, const QByteArray &localId);
QByteArrayList resolveLocalIds(const QByteArray &bufferType, const QByteArrayList &localId);
void removePrefix(const QByteArray &prefix);
void removeValue(const QByteArray &prefix, const QByteArray &key);
QByteArray readValue(const QByteArray &key);
QByteArray readValue(const QByteArray &prefix, const QByteArray &key);
void writeValue(const QByteArray &key, const QByteArray &value);
void writeValue(const QByteArray &prefix, const QByteArray &key, const QByteArray &value);
private:
Sink::Storage::DataStore::Transaction &mTransaction;
};
}
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