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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
*
* 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 <flatbuffers/flatbuffers.h>
#include <QSharedDataPointer>
#include <QObject>
#include <akonadi2common_export.h>
#include <storage.h>
namespace Akonadi2
{
class PipelineState;
class Preprocessor;
class AKONADI2COMMON_EXPORT Pipeline : public QObject
{
Q_OBJECT
public:
enum Type { NullPipeline, NewPipeline, ModifiedPipeline, DeletedPipeline };
Pipeline(const QString &storagePath, QObject *parent = 0);
~Pipeline();
Storage &storage() const;
void null();
//FIXME We should probably directly provide a DomainTypeAdapter here. The data has already been written and we only need to read it for processing. And we need to read all buffers.
void newEntity(const QByteArray &key, void *resourceBufferData, size_t size);
//TODO Send local buffer data as well?
void modifiedEntity(const QByteArray &key, void *data, size_t size);
void deletedEntity(const QByteArray &key);
Q_SIGNALS:
void revisionUpdated();
private Q_SLOTS:
void stepPipelines();
private:
void pipelineStepped(const PipelineState &state);
void pipelineCompleted(const PipelineState &state);
void scheduleStep();
friend class PipelineState;
class Private;
Private * const d;
};
class AKONADI2COMMON_EXPORT PipelineState
{
public:
PipelineState();
PipelineState(Pipeline *pipeline, Pipeline::Type type, const QByteArray &key, const QVector<Preprocessor *> &filters);
PipelineState(const PipelineState &other);
~PipelineState();
PipelineState &operator=(const PipelineState &rhs);
bool operator==(const PipelineState &rhs);
bool isIdle() const;
QByteArray key() const;
Pipeline::Type type() const;
void step();
void processingCompleted(Preprocessor *filter);
private:
class Private;
QExplicitlySharedDataPointer<Private> d;
};
class AKONADI2COMMON_EXPORT Preprocessor
{
public:
Preprocessor();
virtual ~Preprocessor();
virtual void process(PipelineState state);
protected:
void processingCompleted(PipelineState state);
private:
class Private;
Private * const d;
};
} // namespace Akonadi2
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