io.seata.rm.datasource.undo

接口 UndoLogManager

所有已知实现类:

AbstractUndoLogManager, MySQLUndoLogManager, OracleUndoLogManager, PostgresqlUndoLogManager

public interface UndoLogManager

The type Undo log manager.

方法概要

限定符和类型	方法和说明
void	batchDeleteUndoLog(Set<String> xids, Set<Long> branchIds, Connection conn) batch Delete undo log.
void	deleteUndoLog(String xid, long branchId, Connection conn) Delete undo log.
int	deleteUndoLogByLogCreated(Date logCreated, int limitRows, Connection conn) delete undolog by created
void	flushUndoLogs(ConnectionProxy cp) Flush undo logs.
boolean	hasUndoLogTable(Connection conn) does this resource have undolog table?
void	undo(DataSourceProxy dataSourceProxy, String xid, long branchId) Undo.

方法详细资料

flushUndoLogs

void flushUndoLogs(ConnectionProxy cp)
            throws SQLException

Flush undo logs.

参数:

cp - the cp

抛出:

SQLException - the sql exception

undo

void undo(DataSourceProxy dataSourceProxy,
          String xid,
          long branchId)
   throws TransactionException

Undo.

参数:

dataSourceProxy - the data source proxy

xid - the xid

branchId - the branch id

抛出:

TransactionException - the transaction exception

deleteUndoLog

void deleteUndoLog(String xid,
                   long branchId,
                   Connection conn)
            throws SQLException

Delete undo log.

参数:

xid - the xid

branchId - the branch id

conn - the conn

抛出:

SQLException - the sql exception

batchDeleteUndoLog

void batchDeleteUndoLog(Set<String> xids,
                        Set<Long> branchIds,
                        Connection conn)
                 throws SQLException

batch Delete undo log.

参数:

xids - the xid set collections

branchIds - the branch id set collections

conn - the connection

抛出:

SQLException - the sql exception

deleteUndoLogByLogCreated

int deleteUndoLogByLogCreated(Date logCreated,
                              int limitRows,
                              Connection conn)
                       throws SQLException

delete undolog by created

参数:

logCreated - the created time

limitRows - the limit rows

conn - the connection

返回:

the update rows

抛出:

SQLException - the sql exception

hasUndoLogTable

boolean hasUndoLogTable(Connection conn)

does this resource have undolog table?(some may not have, if they don't use AT mode at all)

参数:

conn - connection of the resource

返回:

whether undolog table exist or not