//
// Created by qiuwenchen on 2022/9/13.
//

/*
 * Tencent is pleased to support the open source community by making
 * WCDB available.
 *
 * Copyright (C) 2017 THL A29 Limited, a Tencent company.
 * All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 *       https://opensource.org/licenses/BSD-3-Clause
 *
 * 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 "TransactionGuard.hpp"
#include "Assertion.hpp"
#include "InnerHandle.hpp"

namespace WCDB {

TransactionEvent::~TransactionEvent() = default;

TransactionGuard::TransactionGuard(TransactionEvent *event, InnerHandle *handle)
: m_event(event), m_handle(handle), m_isInTransactionBefore(handle->isInTransaction())
{
    WCTAssert(m_handle != nullptr);
}

TransactionGuard::~TransactionGuard()
{
    if (m_event == nullptr) {
        return;
    }
    bool isInTransactionAfter = m_handle->isInTransaction();
    if (!m_isInTransactionBefore && isInTransactionAfter) {
        m_event->markHandleAsTransactioned(m_handle);
    } else if (m_isInTransactionBefore && !isInTransactionAfter) {
        m_event->markHandleAsUntransactioned();
    }
}

} //namespace WCDB
