use of com.dangdang.ddframe.rdb.transaction.soft.exception.TransactionLogStorageException in project sharding-jdbc by dangdangdotcom.
the class RdbTransactionLogStorage method add.
@Override
public void add(final TransactionLog transactionLog) {
String sql = "INSERT INTO `transaction_log` (`id`, `transaction_type`, `data_source`, `sql`, `parameters`, `creation_time`) VALUES (?, ?, ?, ?, ?, ?);";
try (Connection conn = dataSource.getConnection();
PreparedStatement preparedStatement = conn.prepareStatement(sql)) {
preparedStatement.setString(1, transactionLog.getId());
preparedStatement.setString(2, SoftTransactionType.BestEffortsDelivery.name());
preparedStatement.setString(3, transactionLog.getDataSource());
preparedStatement.setString(4, transactionLog.getSql());
preparedStatement.setString(5, new Gson().toJson(transactionLog.getParameters()));
preparedStatement.setLong(6, transactionLog.getCreationTime());
preparedStatement.executeUpdate();
} catch (final SQLException ex) {
throw new TransactionLogStorageException(ex);
}
}
use of com.dangdang.ddframe.rdb.transaction.soft.exception.TransactionLogStorageException in project sharding-jdbc by dangdangdotcom.
the class RdbTransactionLogStorage method findEligibleTransactionLogs.
@Override
public List<TransactionLog> findEligibleTransactionLogs(final int size, final int maxDeliveryTryTimes, final long maxDeliveryTryDelayMillis) {
List<TransactionLog> result = new ArrayList<>(size);
String sql = "SELECT `id`, `transaction_type`, `data_source`, `sql`, `parameters`, `creation_time`, `async_delivery_try_times` " + "FROM `transaction_log` WHERE `async_delivery_try_times`<? AND `transaction_type`=? AND `creation_time`<? LIMIT ?;";
try (Connection conn = dataSource.getConnection()) {
try (PreparedStatement preparedStatement = conn.prepareStatement(sql)) {
preparedStatement.setInt(1, maxDeliveryTryTimes);
preparedStatement.setString(2, SoftTransactionType.BestEffortsDelivery.name());
preparedStatement.setLong(3, System.currentTimeMillis() - maxDeliveryTryDelayMillis);
preparedStatement.setInt(4, size);
try (ResultSet rs = preparedStatement.executeQuery()) {
while (rs.next()) {
Gson gson = new Gson();
//TODO 对于批量执行的参数需要解析成两层列表
List<Object> parameters = gson.fromJson(rs.getString(5), new TypeToken<List<Object>>() {
}.getType());
result.add(new TransactionLog(rs.getString(1), "", SoftTransactionType.valueOf(rs.getString(2)), rs.getString(3), rs.getString(4), parameters, rs.getLong(6), rs.getInt(7)));
}
}
}
} catch (final SQLException ex) {
throw new TransactionLogStorageException(ex);
}
return result;
}
use of com.dangdang.ddframe.rdb.transaction.soft.exception.TransactionLogStorageException in project sharding-jdbc by dangdangdotcom.
the class RdbTransactionLogStorage method increaseAsyncDeliveryTryTimes.
@Override
public void increaseAsyncDeliveryTryTimes(final String id) {
String sql = "UPDATE `transaction_log` SET `async_delivery_try_times`=`async_delivery_try_times`+1 WHERE `id`=?;";
try (Connection conn = dataSource.getConnection();
PreparedStatement preparedStatement = conn.prepareStatement(sql)) {
preparedStatement.setString(1, id);
preparedStatement.executeUpdate();
} catch (final SQLException ex) {
throw new TransactionLogStorageException(ex);
}
}
use of com.dangdang.ddframe.rdb.transaction.soft.exception.TransactionLogStorageException in project sharding-jdbc by dangdangdotcom.
the class RdbTransactionLogStorage method remove.
@Override
public void remove(final String id) {
String sql = "DELETE FROM `transaction_log` WHERE `id`=?;";
try (Connection conn = dataSource.getConnection();
PreparedStatement preparedStatement = conn.prepareStatement(sql)) {
preparedStatement.setString(1, id);
preparedStatement.executeUpdate();
} catch (final SQLException ex) {
throw new TransactionLogStorageException(ex);
}
}
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