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/*
* Copyright (C) 2015 Christian Mollekopf <chrigi_1@fastmail.fm>
*
* 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 <resource.h>
#include <messagequeue.h>
#include <flatbuffers/flatbuffers.h>
#include <domainadaptor.h>
#include <resourcecontext.h>
#include <QTimer>
namespace Sink {
class Pipeline;
class Preprocessor;
class Synchronizer;
class Inspector;
class CommandProcessor;
/**
* Generic Resource implementation.
*/
class SINK_EXPORT GenericResource : public Resource
{
protected:
SINK_DEBUG_AREA("resource")
public:
GenericResource(const Sink::ResourceContext &context, const QSharedPointer<Pipeline> &pipeline = QSharedPointer<Pipeline>());
virtual ~GenericResource();
virtual void processCommand(int commandId, const QByteArray &data) Q_DECL_OVERRIDE;
virtual void processFlushCommand(const QByteArray &data);
virtual KAsync::Job<void> synchronizeWithSource(const Sink::QueryBase &query) Q_DECL_OVERRIDE;
virtual KAsync::Job<void> processAllMessages() Q_DECL_OVERRIDE;
virtual void setLowerBoundRevision(qint64 revision) Q_DECL_OVERRIDE;
int error() const;
static void removeFromDisk(const QByteArray &instanceIdentifier);
static qint64 diskUsage(const QByteArray &instanceIdentifier);
private slots:
void updateLowerBoundRevision();
protected:
void setupPreprocessors(const QByteArray &type, const QVector<Sink::Preprocessor *> &preprocessors);
void setupSynchronizer(const QSharedPointer<Synchronizer> &synchronizer);
void setupInspector(const QSharedPointer<Inspector> &inspector);
void onProcessorError(int errorCode, const QString &errorMessage);
void enqueueCommand(MessageQueue &mq, int commandId, const QByteArray &data);
ResourceContext mResourceContext;
MessageQueue mUserQueue;
MessageQueue mSynchronizerQueue;
QSharedPointer<Pipeline> mPipeline;
private:
std::unique_ptr<CommandProcessor> mProcessor;
QSharedPointer<Synchronizer> mSynchronizer;
int mError;
QTimer mCommitQueueTimer;
qint64 mClientLowerBoundRevision;
};
}
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