Examples with BEDSoftTransaction com.dangdang.ddframe.rdb.transaction.soft.bed.BEDSoftTransaction used on opensource projects

Example 1 with BEDSoftTransaction

use of com.dangdang.ddframe.rdb.transaction.soft.bed.BEDSoftTransaction in project sharding-jdbc by dangdangdotcom.

the class BestEffortsDeliveryListener method listen.

@Subscribe
@AllowConcurrentEvents
public void listen(final DMLExecutionEvent event) {
    if (!isProcessContinuously()) {
        return;
    }
    SoftTransactionConfiguration transactionConfig = SoftTransactionManager.getCurrentTransactionConfiguration().get();
    TransactionLogStorage transactionLogStorage = TransactionLogStorageFactory.createTransactionLogStorage(transactionConfig.buildTransactionLogDataSource());
    BEDSoftTransaction bedSoftTransaction = (BEDSoftTransaction) SoftTransactionManager.getCurrentTransaction().get();
    switch(event.getEventExecutionType()) {
        case BEFORE_EXECUTE:
            //TODO 对于批量执行的SQL需要解析成两层列表
            transactionLogStorage.add(new TransactionLog(event.getId(), bedSoftTransaction.getTransactionId(), bedSoftTransaction.getTransactionType(), event.getDataSource(), event.getSql(), event.getParameters(), System.currentTimeMillis(), 0));
            return;
        case EXECUTE_SUCCESS:
            transactionLogStorage.remove(event.getId());
            return;
        case EXECUTE_FAILURE:
            boolean deliverySuccess = false;
            for (int i = 0; i < transactionConfig.getSyncMaxDeliveryTryTimes(); i++) {
                if (deliverySuccess) {
                    return;
                }
                boolean isNewConnection = false;
                Connection conn = null;
                PreparedStatement preparedStatement = null;
                try {
                    conn = bedSoftTransaction.getConnection().getConnection(event.getDataSource(), SQLStatementType.UPDATE);
                    if (!isValidConnection(conn)) {
                        bedSoftTransaction.getConnection().releaseBrokenConnection(conn);
                        conn = bedSoftTransaction.getConnection().getConnection(event.getDataSource(), SQLStatementType.UPDATE);
                        isNewConnection = true;
                    }
                    preparedStatement = conn.prepareStatement(event.getSql());
                    //TODO 对于批量事件需要解析成两层列表
                    for (int parameterIndex = 0; parameterIndex < event.getParameters().size(); parameterIndex++) {
                        preparedStatement.setObject(parameterIndex + 1, event.getParameters().get(parameterIndex));
                    }
                    preparedStatement.executeUpdate();
                    deliverySuccess = true;
                    transactionLogStorage.remove(event.getId());
                } catch (final SQLException ex) {
                    log.error(String.format("Delivery times %s error, max try times is %s", i + 1, transactionConfig.getSyncMaxDeliveryTryTimes()), ex);
                } finally {
                    close(isNewConnection, conn, preparedStatement);
                }
            }
            return;
        default:
            throw new UnsupportedOperationException(event.getEventExecutionType().toString());
    }
}

Example 2 with BEDSoftTransaction

use of com.dangdang.ddframe.rdb.transaction.soft.bed.BEDSoftTransaction in project sharding-jdbc by dangdangdotcom.

the class Main method updateFailure.

private static void updateFailure(final DataSource dataSource) throws SQLException {
    String sql1 = "UPDATE t_order SET status='UPDATE_1' WHERE user_id=10 AND order_id=1000";
    String sql2 = "UPDATE t_order SET not_existed_column=1 WHERE user_id=1 AND order_id=?";
    String sql3 = "UPDATE t_order SET status='UPDATE_2' WHERE user_id=10 AND order_id=1000";
    SoftTransactionManager transactionManager = new SoftTransactionManager(getSoftTransactionConfiguration(dataSource));
    transactionManager.init();
    BEDSoftTransaction transaction = (BEDSoftTransaction) transactionManager.getTransaction(SoftTransactionType.BestEffortsDelivery);
    Connection conn = null;
    try {
        conn = dataSource.getConnection();
        transaction.begin(conn);
        PreparedStatement preparedStatement1 = conn.prepareStatement(sql1);
        PreparedStatement preparedStatement2 = conn.prepareStatement(sql2);
        preparedStatement2.setObject(1, 1000);
        PreparedStatement preparedStatement3 = conn.prepareStatement(sql3);
        preparedStatement1.executeUpdate();
        preparedStatement2.executeUpdate();
        preparedStatement3.executeUpdate();
    } finally {
        transaction.end();
        if (conn != null) {
            conn.close();
        }
    }
}

Example 3 with BEDSoftTransaction

use of com.dangdang.ddframe.rdb.transaction.soft.bed.BEDSoftTransaction in project sharding-jdbc by dangdangdotcom.

the class SoftTransactionManager method getTransaction.

/**
     * 获取柔性事务管理器.
     * 
     * @param type 柔性事务类型
     * @return 柔性事务
     */
public AbstractSoftTransaction getTransaction(final SoftTransactionType type) {
    AbstractSoftTransaction result;
    switch(type) {
        case BestEffortsDelivery:
            result = new BEDSoftTransaction();
            break;
        case TryConfirmCancel:
            result = new TCCSoftTransaction();
            break;
        default:
            throw new UnsupportedOperationException(type.toString());
    }
    // TODO 目前使用不支持嵌套事务，以后这里需要可配置
    if (getCurrentTransaction().isPresent()) {
        throw new UnsupportedOperationException("Cannot support nested transaction.");
    }
    ExecutorDataMap.getDataMap().put(TRANSACTION, result);
    ExecutorDataMap.getDataMap().put(TRANSACTION_CONFIG, transactionConfig);
    return result;
}

Example 4 with BEDSoftTransaction

use of com.dangdang.ddframe.rdb.transaction.soft.bed.BEDSoftTransaction in project sharding-jdbc by dangdangdotcom.

the class SoftTransactionTest method bedSoftTransactionTest.

@Test
public void bedSoftTransactionTest() throws SQLException {
    SoftTransactionManager transactionManagerFactory = new SoftTransactionManager(getSoftTransactionConfiguration(getShardingDataSource()));
    transactionManagerFactory.init();
    BEDSoftTransaction transactionManager = (BEDSoftTransaction) transactionManagerFactory.getTransaction(SoftTransactionType.BestEffortsDelivery);
    transactionManager.begin(getShardingDataSource().getConnection());
    insert();
    assertThat(select(), is(1));
    transactionManager.end();
}