Shared domain adaptors between resource and facade.

1 files changed, 77 insertions, 0 deletions

diff --git a/common/domainadaptor.h b/common/domainadaptor.h
new file mode 100644
index 0000000..e8f586b
--- /dev/null
+++ b/common/domainadaptor.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2014 Christian Mollekopf <chrigi_1@fastmail.fm>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
+ */
+
+#pragma once
+
+#include "entity_generated.h"
+#include <QVariant>
+#include <QString>
+#include <functional>
+#include "clientapi.h" //for domain parts
+
+/**
+ * The property mapper holds accessor functions for all properties.
+ *
+ * It is by default initialized with accessors that access the local-only buffer,
+ * and resource simply have to overwrite those accessors.
+ */
+template<typename BufferType>
+class PropertyMapper
+{
+public:
+    void setProperty(const QString &key, const QVariant &value, BufferType *buffer)
+    {
+        if (mWriteAccessors.contains(key)) {
+            auto accessor = mWriteAccessors.value(key);
+            return accessor(value, buffer);
+        }
+    }
+
+    virtual QVariant getProperty(const QString &key, BufferType const *buffer) const
+    {
+        if (mReadAccessors.contains(key)) {
+            auto accessor = mReadAccessors.value(key);
+            return accessor(buffer);
+        }
+        return QVariant();
+    }
+    QHash<QString, std::function<QVariant(BufferType const *)> > mReadAccessors;
+    QHash<QString, std::function<void(const QVariant &, BufferType*)> > mWriteAccessors;
+};
+
+//The factory should define how to go from an entitybuffer (local + resource buffer), to a domain type adapter.
+//It defines how values are split accross local and resource buffer.
+//This is required by the facade the read the value, and by the pipeline preprocessors to access the domain values in a generic way.
+// template<typename DomainType, typename LocalBuffer, typename ResourceBuffer>
+// class DomainTypeAdaptorFactory
+// {
+// };
+
+template<typename DomainType, typename LocalBuffer, typename ResourceBuffer>
+class DomainTypeAdaptorFactory/* <typename DomainType, LocalBuffer, ResourceBuffer> */
+{
+public:
+    virtual QSharedPointer<Akonadi2::Domain::BufferAdaptor> createAdaptor(const Akonadi2::Entity &entity) = 0;
+
+protected:
+    QSharedPointer<PropertyMapper<LocalBuffer> > mLocalMapper;
+    QSharedPointer<PropertyMapper<ResourceBuffer> > mResourceMapper;
+};
+
+