001/*
002 *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
003 *  <p>
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *  <p>
008 *  http://www.apache.org/licenses/LICENSE-2.0
009 *  <p>
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package com.mybatisflex.core.transaction;
017
018
019import org.apache.ibatis.cursor.Cursor;
020
021import java.io.IOException;
022
023/**
024 * @author michael
025 * 事务管理器上下文
026 */
027public class TransactionContext {
028
029    private TransactionContext() {
030    }
031
032    private static final ThreadLocal<String> XID_HOLDER = new ThreadLocal<>();
033    private static final ThreadLocal<Cursor<?>> CURSOR_HOLDER = new ThreadLocal<>();
034
035    public static String getXID() {
036        return XID_HOLDER.get();
037    }
038
039    public static void release() {
040        XID_HOLDER.remove();
041        closeCursor();
042    }
043
044    private static void closeCursor() {
045        Cursor<?> cursor = CURSOR_HOLDER.get();
046        if (cursor != null) {
047            try {
048                cursor.close();
049            } catch (IOException e) {
050                //ignore
051            } finally {
052                CURSOR_HOLDER.remove();
053            }
054        }
055    }
056
057    public static void holdXID(String xid) {
058        XID_HOLDER.set(xid);
059    }
060
061    public static void holdCursor(Cursor<?> cursor) {
062        CURSOR_HOLDER.set(cursor);
063    }
064
065}