org.apache.seata.rm.datasource.exec

Class MultiExecutor<T,S extends Statement>

java.lang.Object

org.apache.seata.rm.datasource.exec.BaseTransactionalExecutor<T,S>

org.apache.seata.rm.datasource.exec.AbstractDMLBaseExecutor<T,S>

org.apache.seata.rm.datasource.exec.MultiExecutor<T,S>

Type Parameters:

T - the type parameter

S - the type parameter

All Implemented Interfaces:

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"});
  

Field Summary

Fields inherited from class org.apache.seata.rm.datasource.exec.AbstractDMLBaseExecutor

GROUP_BY, WHERE

Fields inherited from class org.apache.seata.rm.datasource.exec.BaseTransactionalExecutor

sqlRecognizer, sqlRecognizers, statementCallback, statementProxy

Constructor Summary

Constructors

Constructor and Description
MultiExecutor(StatementProxy<S> statementProxy, StatementCallback<T,S> statementCallback, List<SQLRecognizer> sqlRecognizers) Instantiates a new Abstract dml base executor.

Method Summary

Modifier and Type	Method and Description
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.

Methods inherited from class org.apache.seata.rm.datasource.exec.AbstractDMLBaseExecutor

doExecute, executeAutoCommitFalse, executeAutoCommitTrue

Methods inherited from class org.apache.seata.rm.datasource.exec.BaseTransactionalExecutor

buildLimitCondition, buildLockKey, buildOrderCondition, buildTableRecords, buildTableRecords, buildUndoItem, buildWhereCondition, containPK, containsPK, containsPK, execute, getColumnNameInSQL, getColumnNamesInSQL, getColumnNamesInSQLList, getColumnNamesWithTablePrefix, getColumnNamesWithTablePrefixList, getColumnNameWithTablePrefix, getDbType, getFromTableInSQL, getNeedColumns, getStandardPkColumnName, getTableMeta, getTableMeta, validPk

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiExecutor

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

Instantiates a new Abstract dml base executor.

Parameters:

statementProxy - the statement proxy

statementCallback - the statement callback

sqlRecognizers - the sql recognizers

Method Detail

beforeImage

protected TableRecords beforeImage()
                            throws SQLException

Before image table records. only support update or deleted

Specified by:

beforeImage in class AbstractDMLBaseExecutor<T,S extends Statement>

Returns:

the table records

Throws:

SQLException - the sql exception

See Also:

validate sqlType

afterImage

protected TableRecords afterImage(TableRecords beforeImage)
                           throws SQLException

Description copied from class: AbstractDMLBaseExecutor

After image table records.

Specified by:

afterImage in class AbstractDMLBaseExecutor<T,S extends Statement>

Parameters:

beforeImage - the before image

Returns:

the table records

Throws:

SQLException - the sql exception

prepareUndoLog

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

Description copied from class: BaseTransactionalExecutor

prepare undo log.

Overrides:

prepareUndoLog in class BaseTransactionalExecutor<T,S extends Statement>

Parameters:

beforeImage - the before image

afterImage - the after image

Throws:

SQLException - the sql exception

getMultiSqlGroup

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

getBeforeImagesMap

public Map<SQLRecognizer,TableRecords> getBeforeImagesMap()

getAfterImagesMap

public Map<SQLRecognizer,TableRecords> getAfterImagesMap()