added iOS source code

[wl-app.git] / iOS / Pods / Realm / Realm / ObjectStore / src / impl / object_notifier.cpp

diff --git a/iOS/Pods/Realm/Realm/ObjectStore/src/impl/object_notifier.cpp b/iOS/Pods/Realm/Realm/ObjectStore/src/impl/object_notifier.cpp
new file mode 100644 (file)
index 0000000..cb31065
--- /dev/null
+++ b/iOS/Pods/Realm/Realm/ObjectStore/src/impl/object_notifier.cpp
@@ -0,0 +1,97 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2017 Realm Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "impl/object_notifier.hpp"
+
+#include "shared_realm.hpp"
+
+using namespace realm;
+using namespace realm::_impl;
+
+ObjectNotifier::ObjectNotifier(Row const& row, std::shared_ptr<Realm> realm)
+: CollectionNotifier(std::move(realm))
+{
+    REALM_ASSERT(row.get_table());
+    set_table(*row.get_table());
+
+    m_handover = source_shared_group().export_for_handover(row);
+}
+
+void ObjectNotifier::release_data() noexcept
+{
+    m_row = nullptr;
+}
+
+void ObjectNotifier::do_attach_to(SharedGroup& sg)
+{
+    REALM_ASSERT(m_handover);
+    REALM_ASSERT(!m_row);
+    m_row = sg.import_from_handover(std::move(m_handover));
+}
+
+void ObjectNotifier::do_detach_from(SharedGroup& sg)
+{
+    REALM_ASSERT(!m_handover);
+    if (m_row) {
+        m_handover = sg.export_for_handover(*m_row);
+        m_row = nullptr;
+    }
+}
+
+bool ObjectNotifier::do_add_required_change_info(TransactionChangeInfo& info)
+{
+    REALM_ASSERT(!m_handover);
+    m_info = &info;
+    if (m_row && m_row->is_attached()) {
+        size_t table_ndx = m_row->get_table()->get_index_in_group();
+        if (table_ndx >= info.table_modifications_needed.size())
+            info.table_modifications_needed.resize(table_ndx + 1);
+        info.table_modifications_needed[table_ndx] = true;
+    }
+    return false;
+}
+
+void ObjectNotifier::run()
+{
+    if (!m_row)
+        return;
+    if (!m_row->is_attached()) {
+        m_change.deletions.add(0);
+        m_row = nullptr;
+        return;
+    }
+
+    size_t table_ndx = m_row->get_table()->get_index_in_group();
+    if (table_ndx >= m_info->tables.size())
+        return;
+    auto& change = m_info->tables[table_ndx];
+    if (!change.modifications.contains(m_row->get_index()))
+        return;
+    m_change.modifications.add(0);
+    m_change.columns.reserve(change.columns.size());
+    for (auto& col : change.columns) {
+        m_change.columns.emplace_back();
+        if (col.contains(m_row->get_index()))
+            m_change.columns.back().add(0);
+    }
+}
+
+void ObjectNotifier::do_prepare_handover(SharedGroup&)
+{
+    add_changes(std::move(m_change));
+}