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
023public class TransactionContext {
024
025    private TransactionContext() {
026    }
027
028    private static final ThreadLocal<String> XID_HOLDER = new ThreadLocal<>();
029    private static final ThreadLocal<Cursor<?>> CURSOR_HOLDER = new ThreadLocal<>();
030
031    public static String getXID() {
032        return XID_HOLDER.get();
033    }
034
035    public static void release() {
036        XID_HOLDER.remove();
037        closeCursor();
038    }
039
040    private static void closeCursor() {
041        try {
042            Cursor<?> cursor = CURSOR_HOLDER.get();
043            if (cursor != null) {
044                try {
045                    cursor.close();
046                } catch (IOException e) {
047                    //ignore
048                }
049            }
050        } finally {
051            CURSOR_HOLDER.remove();
052        }
053    }
054
055    public static void holdXID(String xid) {
056        XID_HOLDER.set(xid);
057    }
058
059    public static void holdCursor(Cursor<?> cursor) {
060        CURSOR_HOLDER.set(cursor);
061    }
062
063}