1 ////////////////////////////////////////////////////////////////////////////
3 // Copyright 2016 Realm Inc.
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
17 ////////////////////////////////////////////////////////////////////////////
19 #ifndef REALM_LIST_NOTIFIER_HPP
20 #define REALM_LIST_NOTIFIER_HPP
22 #include "impl/collection_notifier.hpp"
24 #include <realm/group_shared.hpp>
28 class ListNotifier : public CollectionNotifier {
30 ListNotifier(LinkViewRef lv, std::shared_ptr<Realm> realm);
33 // The linkview, in handover form if this has not been attached to the main
36 std::unique_ptr<SharedGroup::Handover<LinkView>> m_lv_handover;
38 // The last-seen size of the LinkView so that we can report row deletions
39 // when the LinkView itself is deleted
42 // The actual change, calculated in run() and delivered in prepare_handover()
43 CollectionChangeBuilder m_change;
44 TransactionChangeInfo* m_info;
48 void do_prepare_handover(SharedGroup&) override;
50 void do_attach_to(SharedGroup& sg) override;
51 void do_detach_from(SharedGroup& sg) override;
53 void release_data() noexcept override;
54 bool do_add_required_change_info(TransactionChangeInfo& info) override;
59 #endif // REALM_LIST_NOTIFIER_HPP