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/*
* Copyright (C) 2014 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 <QSharedPointer>
#include <QVariant>
#include <QByteArray>
#include "bufferadaptor.h"
namespace Sink {
namespace ApplicationDomain {
/**
* The domain type interface has two purposes:
* * provide a unified interface to read buffers (for zero-copy reading)
* * record changes to generate changesets for modifications
*
* ApplicationDomainTypes don't adhere to any standard and are meant to be extended frequently (hence the non-typesafe interface).
*/
class ApplicationDomainType {
public:
typedef QSharedPointer<ApplicationDomainType> Ptr;
ApplicationDomainType();
ApplicationDomainType(const QByteArray &resourceInstanceIdentifier);
ApplicationDomainType(const QByteArray &resourceInstanceIdentifier, const QByteArray &identifier, qint64 revision, const QSharedPointer<BufferAdaptor> &adaptor);
ApplicationDomainType(const ApplicationDomainType &other);
ApplicationDomainType& operator=(const ApplicationDomainType &other);
template <typename DomainType>
static typename DomainType::Ptr getInMemoryRepresentation(const ApplicationDomainType &domainType, const QList<QByteArray> properties = QList<QByteArray>())
{
auto memoryAdaptor = QSharedPointer<Sink::ApplicationDomain::MemoryBufferAdaptor>::create(*(domainType.mAdaptor), properties);
//The identifier still internal refers to the memory-mapped pointer, we need to copy the memory or it will become invalid
return QSharedPointer<DomainType>::create(domainType.mResourceInstanceIdentifier, QByteArray(domainType.mIdentifier.constData(), domainType.mIdentifier.size()), domainType.mRevision, memoryAdaptor);
}
virtual ~ApplicationDomainType();
virtual QVariant getProperty(const QByteArray &key) const;
virtual void setProperty(const QByteArray &key, const QVariant &value);
virtual QByteArrayList changedProperties() const;
qint64 revision() const;
QByteArray resourceInstanceIdentifier() const;
QByteArray identifier() const;
private:
QSharedPointer<BufferAdaptor> mAdaptor;
QHash<QByteArray, QVariant> mChangeSet;
/*
* Each domain object needs to store the resource, identifier, revision triple so we can link back to the storage location.
*/
QByteArray mResourceInstanceIdentifier;
QByteArray mIdentifier;
qint64 mRevision;
};
/*
* Should this be specific to the synclistresultset, in other cases we may want to take revision and resource into account.
*/
inline bool operator==(const ApplicationDomainType& lhs, const ApplicationDomainType& rhs)
{
return lhs.identifier() == rhs.identifier()
&& lhs.resourceInstanceIdentifier() == rhs.resourceInstanceIdentifier();
}
struct Entity : public ApplicationDomainType {
typedef QSharedPointer<Entity> Ptr;
using ApplicationDomainType::ApplicationDomainType;
virtual ~Entity();
};
struct Event : public Entity {
typedef QSharedPointer<Event> Ptr;
using Entity::Entity;
virtual ~Event();
};
struct Todo : public Entity {
typedef QSharedPointer<Todo> Ptr;
using Entity::Entity;
virtual ~Todo();
};
struct Calendar : public Entity {
typedef QSharedPointer<Calendar> Ptr;
using Entity::Entity;
virtual ~Calendar();
};
struct Mail : public Entity {
typedef QSharedPointer<Mail> Ptr;
using Entity::Entity;
virtual ~Mail();
};
struct Folder : public Entity {
typedef QSharedPointer<Folder> Ptr;
using Entity::Entity;
virtual ~Folder();
};
/**
* Represents an sink resource.
*
* This type is used for configuration of resources,
* and for creating and removing resource instances.
*/
struct SinkResource : public ApplicationDomainType {
typedef QSharedPointer<SinkResource> Ptr;
using ApplicationDomainType::ApplicationDomainType;
virtual ~SinkResource();
};
/**
* All types need to be registered here an MUST return a different name.
*
* Do not store these types to disk, they may change over time.
*/
template<class DomainType>
QByteArray getTypeName();
template<>
QByteArray getTypeName<Event>();
template<>
QByteArray getTypeName<Todo>();
template<>
QByteArray getTypeName<SinkResource>();
template<>
QByteArray getTypeName<Mail>();
template<>
QByteArray getTypeName<Folder>();
/**
* Type implementation.
*
* Needs to be implemented for every application domain type.
* Contains all non-resource specific, but type-specific code.
*/
template<typename DomainType>
class TypeImplementation;
}
}
Q_DECLARE_METATYPE(Sink::ApplicationDomain::ApplicationDomainType)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::ApplicationDomainType::Ptr)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Entity)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Entity::Ptr)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Event)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Event::Ptr)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Mail)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Mail::Ptr)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Folder)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::Folder::Ptr)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::SinkResource)
Q_DECLARE_METATYPE(Sink::ApplicationDomain::SinkResource::Ptr)
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