60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2016 Realm Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////
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#ifndef REALM_LIST_NOTIFIER_HPP
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#define REALM_LIST_NOTIFIER_HPP
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#include "impl/collection_notifier.hpp"
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#include <realm/group_shared.hpp>
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namespace realm {
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namespace _impl {
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class ListNotifier : public CollectionNotifier {
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public:
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ListNotifier(LinkViewRef lv, std::shared_ptr<Realm> realm);
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private:
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// The linkview, in handover form if this has not been attached to the main
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// SharedGroup yet
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LinkViewRef m_lv;
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std::unique_ptr<SharedGroup::Handover<LinkView>> m_lv_handover;
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// The last-seen size of the LinkView so that we can report row deletions
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// when the LinkView itself is deleted
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size_t m_prev_size;
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// The actual change, calculated in run() and delivered in prepare_handover()
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CollectionChangeBuilder m_change;
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TransactionChangeInfo* m_info;
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void run() override;
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void do_prepare_handover(SharedGroup&) override;
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void do_attach_to(SharedGroup& sg) override;
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void do_detach_from(SharedGroup& sg) override;
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void release_data() noexcept override;
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bool do_add_required_change_info(TransactionChangeInfo& info) override;
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};
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}
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}
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#endif // REALM_LIST_NOTIFIER_HPP
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