Refactored the generic resource to use separate classes for

changereplay and synchronization.

This cleans up the API and avoids the excessive passing around of
transactions. It also provides more flexibility in eventually using
different synchronization strategies for different resources.

1 files changed, 68 insertions, 0 deletions

diff --git a/common/adaptorfactoryregistry.cpp b/common/adaptorfactoryregistry.cpp
new file mode 100644
index 0000000..323a02d
--- /dev/null
+++ b/common/adaptorfactoryregistry.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016 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/>.
+ */
+#include "adaptorfactoryregistry.h"
+
+#include <QByteArray>
+#include <QDebug>
+#include <QMutex>
+#include <functional>
+#include <memory>
+
+#include "domaintypeadaptorfactoryinterface.h"
+#include "applicationdomaintype.h"
+#include "log.h"
+
+using namespace Sink;
+
+AdaptorFactoryRegistry &AdaptorFactoryRegistry::instance()
+{
+    // QMutexLocker locker(&sMutex);
+    static AdaptorFactoryRegistry *instance = 0;
+    if (!instance) {
+        instance = new AdaptorFactoryRegistry;
+    }
+    return *instance;
+}
+
+static QByteArray key(const QByteArray &resource, const QByteArray &type)
+{
+    return resource + type;
+}
+
+AdaptorFactoryRegistry::AdaptorFactoryRegistry()
+{
+
+}
+
+std::shared_ptr<DomainTypeAdaptorFactoryInterface> AdaptorFactoryRegistry::getFactory(const QByteArray &resource, const QByteArray &typeName)
+{
+    const auto ptr = mRegistry.value(key(resource, typeName));
+    //We have to check the pointer before the cast, otherwise a check would return true also for invalid instances.
+    if (!ptr) {
+        return std::shared_ptr<DomainTypeAdaptorFactoryInterface>();
+    }
+    return std::static_pointer_cast<DomainTypeAdaptorFactoryInterface>(ptr);
+}
+
+void AdaptorFactoryRegistry::registerFactory(const QByteArray &resource, const std::shared_ptr<void> &instance, const QByteArray typeName)
+{
+    mRegistry.insert(key(resource, typeName), instance);
+}
+