com.baomidou.mybatisplus.extension.plugins.inner

类 TenantLineInnerInterceptor

java.lang.Object

com.baomidou.mybatisplus.extension.parser.JsqlParserSupport

com.baomidou.mybatisplus.extension.plugins.inner.TenantLineInnerInterceptor

所有已实现的接口:

InnerInterceptor

public class TenantLineInnerInterceptor
extends JsqlParserSupport
implements InnerInterceptor

从以下版本开始:

3.4.0

作者:

hubin

字段概要

从类继承的字段 com.baomidou.mybatisplus.extension.parser.JsqlParserSupport

logger

构造器概要

构造器

构造器和说明
TenantLineInnerInterceptor()
TenantLineInnerInterceptor(TenantLineHandler tenantLineHandler)

方法概要

限定符和类型	方法和说明
protected net.sf.jsqlparser.expression.BinaryExpression	andExpression(net.sf.jsqlparser.schema.Table table, net.sf.jsqlparser.expression.Expression where) delete update 语句 where 处理
protected void	appendSelectItem(java.util.List<net.sf.jsqlparser.statement.select.SelectItem> selectItems) 追加 SelectItem
void	beforePrepare(org.apache.ibatis.executor.statement.StatementHandler sh, java.sql.Connection connection, java.lang.Integer transactionTimeout) StatementHandler.prepare(Connection, Integer) 操作前置处理 改改sql啥的
void	beforeQuery(org.apache.ibatis.executor.Executor executor, org.apache.ibatis.mapping.MappedStatement ms, java.lang.Object parameter, org.apache.ibatis.session.RowBounds rowBounds, org.apache.ibatis.session.ResultHandler resultHandler, org.apache.ibatis.mapping.BoundSql boundSql) Executor.query(MappedStatement, Object, RowBounds, ResultHandler, CacheKey, BoundSql) 操作前置处理 改改sql啥的
protected net.sf.jsqlparser.expression.Expression	builderExpression(net.sf.jsqlparser.expression.Expression currentExpression, net.sf.jsqlparser.schema.Table table) 处理条件
protected boolean	canEqual(java.lang.Object other)
boolean	equals(java.lang.Object o)
protected net.sf.jsqlparser.schema.Column	getAliasColumn(net.sf.jsqlparser.schema.Table table) 租户字段别名设置 tenantId 或 tableAlias.tenantId
TenantLineHandler	getTenantLineHandler()
int	hashCode()
protected void	processDelete(net.sf.jsqlparser.statement.delete.Delete delete, int index, java.lang.String sql, java.lang.Object obj) delete 语句处理
protected void	processFromItem(net.sf.jsqlparser.statement.select.FromItem fromItem) 处理子查询等
protected void	processInsert(net.sf.jsqlparser.statement.insert.Insert insert, int index, java.lang.String sql, java.lang.Object obj) 新增
protected void	processInsertSelect(net.sf.jsqlparser.statement.select.SelectBody selectBody) 处理 insert into select 进入这里表示需要 insert 的表启用了多租户,则 select 的表都启动了
protected void	processJoin(net.sf.jsqlparser.statement.select.Join join) 处理联接语句
protected void	processPlainSelect(net.sf.jsqlparser.statement.select.PlainSelect plainSelect) 处理 PlainSelect
protected void	processSelect(net.sf.jsqlparser.statement.select.Select select, int index, java.lang.String sql, java.lang.Object obj) 查询
protected void	processSelectBody(net.sf.jsqlparser.statement.select.SelectBody selectBody)
protected void	processUpdate(net.sf.jsqlparser.statement.update.Update update, int index, java.lang.String sql, java.lang.Object obj) update 语句处理
protected void	processWhereSubSelect(net.sf.jsqlparser.expression.Expression where) 处理where条件内的子查询 支持如下: 1. in 2. = 3. > 4. < 5. >= 6. <= 7. <> 8.
void	setProperties(java.util.Properties properties)
void	setTenantLineHandler(TenantLineHandler tenantLineHandler)
java.lang.String	toString()

从类继承的方法 com.baomidou.mybatisplus.extension.parser.JsqlParserSupport

parserMulti, parserSingle, processParser

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 com.baomidou.mybatisplus.extension.plugins.inner.InnerInterceptor

beforeUpdate, willDoQuery, willDoUpdate

构造器详细资料

TenantLineInnerInterceptor

public TenantLineInnerInterceptor()

TenantLineInnerInterceptor

public TenantLineInnerInterceptor(TenantLineHandler tenantLineHandler)

方法详细资料

beforeQuery

public void beforeQuery(org.apache.ibatis.executor.Executor executor,
                        org.apache.ibatis.mapping.MappedStatement ms,
                        java.lang.Object parameter,
                        org.apache.ibatis.session.RowBounds rowBounds,
                        org.apache.ibatis.session.ResultHandler resultHandler,
                        org.apache.ibatis.mapping.BoundSql boundSql)
                 throws java.sql.SQLException

从接口复制的说明: InnerInterceptor

Executor.query(MappedStatement, Object, RowBounds, ResultHandler, CacheKey, BoundSql) 操作前置处理

改改sql啥的

指定者:

beforeQuery 在接口中 InnerInterceptor

参数:

executor - Executor(可能是代理对象)

ms - MappedStatement

parameter - parameter

rowBounds - rowBounds

resultHandler - resultHandler

boundSql - boundSql

抛出:

java.sql.SQLException

beforePrepare

public void beforePrepare(org.apache.ibatis.executor.statement.StatementHandler sh,
                          java.sql.Connection connection,
                          java.lang.Integer transactionTimeout)

从接口复制的说明: InnerInterceptor

StatementHandler.prepare(Connection, Integer) 操作前置处理

改改sql啥的

指定者:

beforePrepare 在接口中 InnerInterceptor

参数:

sh - StatementHandler(可能是代理对象)

connection - Connection

transactionTimeout - transactionTimeout

processSelect

protected void processSelect(net.sf.jsqlparser.statement.select.Select select,
                             int index,
                             java.lang.String sql,
                             java.lang.Object obj)

从类复制的说明: JsqlParserSupport

查询

覆盖:

processSelect 在类中 JsqlParserSupport

processSelectBody

protected void processSelectBody(net.sf.jsqlparser.statement.select.SelectBody selectBody)

processInsert

protected void processInsert(net.sf.jsqlparser.statement.insert.Insert insert,
                             int index,
                             java.lang.String sql,
                             java.lang.Object obj)

从类复制的说明: JsqlParserSupport

新增

覆盖:

processInsert 在类中 JsqlParserSupport

processUpdate

protected void processUpdate(net.sf.jsqlparser.statement.update.Update update,
                             int index,
                             java.lang.String sql,
                             java.lang.Object obj)

update 语句处理

覆盖:

processUpdate 在类中 JsqlParserSupport

processDelete

protected void processDelete(net.sf.jsqlparser.statement.delete.Delete delete,
                             int index,
                             java.lang.String sql,
                             java.lang.Object obj)

delete 语句处理

覆盖:

processDelete 在类中 JsqlParserSupport

andExpression

protected net.sf.jsqlparser.expression.BinaryExpression andExpression(net.sf.jsqlparser.schema.Table table,
                                                                      net.sf.jsqlparser.expression.Expression where)

delete update 语句 where 处理

processInsertSelect

protected void processInsertSelect(net.sf.jsqlparser.statement.select.SelectBody selectBody)

处理 insert into select

进入这里表示需要 insert 的表启用了多租户,则 select 的表都启动了

参数:

selectBody - SelectBody

appendSelectItem

protected void appendSelectItem(java.util.List<net.sf.jsqlparser.statement.select.SelectItem> selectItems)

追加 SelectItem

参数:

selectItems - SelectItem

processPlainSelect

protected void processPlainSelect(net.sf.jsqlparser.statement.select.PlainSelect plainSelect)

处理 PlainSelect

processWhereSubSelect

protected void processWhereSubSelect(net.sf.jsqlparser.expression.Expression where)

处理where条件内的子查询

支持如下: 1. in 2. = 3. > 4. < 5. >= 6. <= 7. <> 8. EXISTS 9. NOT EXISTS

前提条件: 1. 子查询必须放在小括号中 2. 子查询一般放在比较操作符的右边

参数:

where - where 条件

processFromItem

protected void processFromItem(net.sf.jsqlparser.statement.select.FromItem fromItem)

处理子查询等

processJoin

protected void processJoin(net.sf.jsqlparser.statement.select.Join join)

处理联接语句

builderExpression

protected net.sf.jsqlparser.expression.Expression builderExpression(net.sf.jsqlparser.expression.Expression currentExpression,
                                                                    net.sf.jsqlparser.schema.Table table)

处理条件

getAliasColumn

protected net.sf.jsqlparser.schema.Column getAliasColumn(net.sf.jsqlparser.schema.Table table)

租户字段别名设置

tenantId 或 tableAlias.tenantId

参数:

table - 表对象

返回:

字段

setProperties

public void setProperties(java.util.Properties properties)

指定者:

setProperties 在接口中 InnerInterceptor

getTenantLineHandler

public TenantLineHandler getTenantLineHandler()

setTenantLineHandler

public void setTenantLineHandler(TenantLineHandler tenantLineHandler)

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object

equals

public boolean equals(java.lang.Object o)

覆盖:

equals 在类中 java.lang.Object

canEqual

protected boolean canEqual(java.lang.Object other)

hashCode

public int hashCode()

覆盖:

hashCode 在类中 java.lang.Object