66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2015 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_TRANSACT_LOG_HANDLER_HPP
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#define REALM_TRANSACT_LOG_HANDLER_HPP
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#include <cstdint>
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#include <stdexcept>
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#include <memory>
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#include <realm/version_id.hpp>
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namespace realm {
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class BindingContext;
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class SharedGroup;
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namespace _impl {
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class NotifierPackage;
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struct TransactionChangeInfo;
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struct UnsupportedSchemaChange : std::logic_error {
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UnsupportedSchemaChange();
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};
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namespace transaction {
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// Advance the read transaction version, with change notifications sent to delegate
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// Must not be called from within a write transaction.
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void advance(const std::unique_ptr<SharedGroup>& sg, BindingContext* binding_context, NotifierPackage&);
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void advance(SharedGroup& sg, BindingContext* binding_context, VersionID);
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// Begin a write transaction
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// If the read transaction version is not up to date, will first advance to the
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// most recent read transaction and sent notifications to delegate
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void begin(const std::unique_ptr<SharedGroup>& sg, BindingContext* binding_context, NotifierPackage&);
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void begin_without_validation(SharedGroup& sg);
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// Commit a write transaction
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void commit(SharedGroup& sg);
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// Cancel a write transaction and roll back all changes, with change notifications
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// for reverting to the old values sent to delegate
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void cancel(SharedGroup& sg, BindingContext* binding_context);
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// Advance the read transaction version, with change information gathered in info
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void advance(SharedGroup& sg, TransactionChangeInfo& info, VersionID version=VersionID{});
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} // namespace transaction
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} // namespace _impl
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} // namespace realm
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#endif /* REALM_TRANSACT_LOG_HANDLER_HPP */
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