io.seata.rm.datasource.exec

类 MultiExecutor<T,S extends Statement>

java.lang.Object

io.seata.rm.datasource.exec.BaseTransactionalExecutor<T,S>

io.seata.rm.datasource.exec.AbstractDMLBaseExecutor<T,S>

io.seata.rm.datasource.exec.MultiExecutor<T,S>

类型参数:

T - the type parameter

S - the type parameter

所有已实现的接口:

Executor<T>

public class MultiExecutor<T,S extends Statement>
extends AbstractDMLBaseExecutor<T,S>

The type MultiSql executor. now just support same type ex.

  jdbcTemplate.update("update account_tbl set money = money - ? where user_id = ?;update account_tbl set money = money - ? where user_id = ?", new Object[] {money, userId,"U10000",money,"U1000"});
  

字段概要

从类继承的字段 io.seata.rm.datasource.exec.AbstractDMLBaseExecutor

WHERE

从类继承的字段 io.seata.rm.datasource.exec.BaseTransactionalExecutor

sqlRecognizer, sqlRecognizers, statementCallback, statementProxy

构造器概要

构造器

构造器和说明
MultiExecutor(StatementProxy<S> statementProxy, StatementCallback<T,S> statementCallback, List<SQLRecognizer> sqlRecognizers) Instantiates a new Abstract dml base executor.

方法概要

限定符和类型	方法和说明
protected TableRecords	afterImage(TableRecords beforeImage) After image table records.
protected TableRecords	beforeImage() Before image table records.
Map<SQLRecognizer,TableRecords>	getAfterImagesMap()
Map<SQLRecognizer,TableRecords>	getBeforeImagesMap()
Map<String,List<SQLRecognizer>>	getMultiSqlGroup()
protected void	prepareUndoLog(TableRecords beforeImage, TableRecords afterImage) prepare undo log.

从类继承的方法 io.seata.rm.datasource.exec.AbstractDMLBaseExecutor

doExecute, executeAutoCommitFalse, executeAutoCommitTrue

从类继承的方法 io.seata.rm.datasource.exec.BaseTransactionalExecutor

buildLockKey, buildTableRecords, buildTableRecords, buildUndoItem, buildWhereCondition, containPK, containsPK, execute, getColumnNameInSQL, getColumnNamesInSQL, getDbType, getFromTableInSQL, getStandardPkColumnName, getTableMeta, getTableMeta

从类继承的方法 java.lang.Object

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

构造器详细资料

MultiExecutor

public MultiExecutor(StatementProxy<S> statementProxy,
                     StatementCallback<T,S> statementCallback,
                     List<SQLRecognizer> sqlRecognizers)

Instantiates a new Abstract dml base executor.

参数:

statementProxy - the statement proxy

statementCallback - the statement callback

sqlRecognizer - the sql recognizer

方法详细资料

beforeImage

protected TableRecords beforeImage()
                            throws SQLException

Before image table records. only support update or deleted

指定者:

beforeImage 在类中 AbstractDMLBaseExecutor<T,S extends Statement>

返回:

the table records

抛出:

SQLException - the sql exception

另请参阅:

validate sqlType

afterImage

protected TableRecords afterImage(TableRecords beforeImage)
                           throws SQLException

从类复制的说明: AbstractDMLBaseExecutor

After image table records.

指定者:

afterImage 在类中 AbstractDMLBaseExecutor<T,S extends Statement>

参数:

beforeImage - the before image

返回:

the table records

抛出:

SQLException - the sql exception

prepareUndoLog

protected void prepareUndoLog(TableRecords beforeImage,
                              TableRecords afterImage)
                       throws SQLException

从类复制的说明: BaseTransactionalExecutor

prepare undo log.

覆盖:

prepareUndoLog 在类中 BaseTransactionalExecutor<T,S extends Statement>

参数:

beforeImage - the before image

afterImage - the after image

抛出:

SQLException - the sql exception

getMultiSqlGroup

public Map<String,List<SQLRecognizer>> getMultiSqlGroup()

getBeforeImagesMap

public Map<SQLRecognizer,TableRecords> getBeforeImagesMap()

getAfterImagesMap

public Map<SQLRecognizer,TableRecords> getAfterImagesMap()