io.seata.rm.datasource.undo

类 AbstractUndoExecutor

java.lang.Object

io.seata.rm.datasource.undo.AbstractUndoExecutor

直接已知子类:

MySQLUndoDeleteExecutor, MySQLUndoInsertExecutor, MySQLUndoUpdateExecutor

public abstract class AbstractUndoExecutor
extends Object

The type Abstract undo executor.

作者:

sharajava

字段概要

字段

限定符和类型	字段和说明
protected SQLUndoLog	sqlUndoLog The Sql undo log.

构造器概要

构造器

构造器和说明
AbstractUndoExecutor(SQLUndoLog sqlUndoLog) Instantiates a new Abstract undo executor.

方法概要

限定符和类型	方法和说明
protected abstract String	buildUndoSQL() Build undo sql string.
protected void	dataValidation(Connection conn) Data validation.
void	executeOn(Connection conn) Execute on.
protected abstract TableRecords	getUndoRows() Gets undo rows.
protected void	undoPrepare(PreparedStatement undoPST, ArrayList<Field> undoValues, Field pkValue) Undo prepare.

从类继承的方法 java.lang.Object

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

字段详细资料

sqlUndoLog

protected SQLUndoLog sqlUndoLog

The Sql undo log.

构造器详细资料

AbstractUndoExecutor

public AbstractUndoExecutor(SQLUndoLog sqlUndoLog)

Instantiates a new Abstract undo executor.

参数:

sqlUndoLog - the sql undo log

方法详细资料

buildUndoSQL

protected abstract String buildUndoSQL()

Build undo sql string.

返回:

the string

executeOn

public void executeOn(Connection conn)
               throws SQLException

Execute on.

参数:

conn - the conn

抛出:

SQLException - the sql exception

undoPrepare

protected void undoPrepare(PreparedStatement undoPST,
                           ArrayList<Field> undoValues,
                           Field pkValue)
                    throws SQLException

Undo prepare.

参数:

undoPST - the undo pst

undoValues - the undo values

pkValue - the pk value

抛出:

SQLException - the sql exception

getUndoRows

protected abstract TableRecords getUndoRows()

Gets undo rows.

返回:

the undo rows

dataValidation

protected void dataValidation(Connection conn)
                       throws SQLException

Data validation.

参数:

conn - the conn

抛出:

SQLException - the sql exception