org.apache.seata.rm.datasource.undo.mysql

Class MySQLUndoLogManager

java.lang.Object

org.apache.seata.rm.datasource.undo.AbstractUndoLogManager

org.apache.seata.rm.datasource.undo.mysql.MySQLUndoLogManager

All Implemented Interfaces:

UndoLogManager

Direct Known Subclasses:

MariadbUndoLogManager, PolarDBXUndoLogManager

@LoadLevel(name="mysql")
public class MySQLUndoLogManager
extends AbstractUndoLogManager

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.seata.rm.datasource.undo.AbstractUndoLogManager

AbstractUndoLogManager.State

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	logger

Fields inherited from class org.apache.seata.rm.datasource.undo.AbstractUndoLogManager

DELETE_UNDO_LOG_SQL, ROLLBACK_INFO_COMPRESS_ENABLE, ROLLBACK_INFO_COMPRESS_THRESHOLD, ROLLBACK_INFO_COMPRESS_TYPE, SELECT_UNDO_LOG_SQL, UNDO_LOG_TABLE_NAME

Constructor Summary

Constructors

Constructor and Description
MySQLUndoLogManager()

Method Summary

Modifier and Type	Method and Description
int	deleteUndoLogByLogCreated(Date logCreated, int limitRows, Connection conn) delete undolog by created
protected void	insertUndoLogWithGlobalFinished(String xid, long branchId, UndoLogParser parser, Connection conn) insert uodo log when global finished
protected void	insertUndoLogWithNormal(String xid, long branchId, String rollbackCtx, byte[] undoLogContent, Connection conn) insert uodo log when normal

Methods inherited from class org.apache.seata.rm.datasource.undo.AbstractUndoLogManager

appendInParam, batchDeleteUndoLog, buildContext, buildSelectUndoSql, canUndo, deleteUndoLog, flushUndoLogs, getCheckUndoLogTableExistSql, getCurrentSerializer, getRollbackInfo, hasUndoLogTable, needCompress, parseContext, removeCurrentSerializer, setCurrentSerializer, toBatchDeleteUndoLogSql, undo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

protected final org.slf4j.Logger logger

Constructor Detail

MySQLUndoLogManager

public MySQLUndoLogManager()

Method Detail

deleteUndoLogByLogCreated

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

Description copied from interface: UndoLogManager

delete undolog by created

Parameters:

logCreated - the created time

limitRows - the limit rows

conn - the connection

Returns:

the update rows

Throws:

SQLException - the sql exception

insertUndoLogWithNormal

protected void insertUndoLogWithNormal(String xid,
                                       long branchId,
                                       String rollbackCtx,
                                       byte[] undoLogContent,
                                       Connection conn)
                                throws SQLException

Description copied from class: AbstractUndoLogManager

insert uodo log when normal

Specified by:

insertUndoLogWithNormal in class AbstractUndoLogManager

Parameters:

xid - the xid

branchId - the branchId

rollbackCtx - the rollbackContext

undoLogContent - the undoLogContent

conn - sql connection

Throws:

SQLException - SQLException

insertUndoLogWithGlobalFinished

protected void insertUndoLogWithGlobalFinished(String xid,
                                               long branchId,
                                               UndoLogParser parser,
                                               Connection conn)
                                        throws SQLException

Description copied from class: AbstractUndoLogManager

insert uodo log when global finished

Specified by:

insertUndoLogWithGlobalFinished in class AbstractUndoLogManager

Parameters:

xid - the xid

branchId - the branchId

parser - the undoLogParse

conn - sql connection

Throws:

SQLException - SQLException