1 files changed, 53 insertions, 0 deletions

diff --git a/common/entitystore.h b/common/entitystore.h
new file mode 100644
index 0000000..17156ec
--- /dev/null
+++ b/common/entitystore.h
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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 <domainadaptor.h>
+
+#include "storage.h"
+#include "adaptorfactoryregistry.h"
+
+namespace Sink {
+
+class SINK_EXPORT EntityStore
+{
+public:
+    EntityStore(const QByteArray &resourceType, const QByteArray &mResourceInstanceIdentifier, Sink::Storage::Transaction &transaction);
+
+    template<typename T>
+    T read(const QByteArray &identifier) const
+    {
+        auto typeName = ApplicationDomain::getTypeName<T>();
+        auto mainDatabase = Storage::mainDatabase(mTransaction, typeName);
+        auto bufferAdaptor = getLatest(mainDatabase, identifier, *Sink::AdaptorFactoryRegistry::instance().getFactory<T>(mResourceType));
+        Q_ASSERT(bufferAdaptor);
+        return T(mResourceInstanceIdentifier, identifier, 0, bufferAdaptor);
+    }
+
+
+    static QSharedPointer<Sink::ApplicationDomain::BufferAdaptor> getLatest(const Sink::Storage::NamedDatabase &db, const QByteArray &uid, DomainTypeAdaptorFactoryInterface &adaptorFactory);
+private:
+    QByteArray mResourceType;
+    QByteArray mResourceInstanceIdentifier;
+    Sink::Storage::Transaction &mTransaction;
+};
+
+}