com.baomidou.mybatisplus.extension.plugins

类 OptimisticLockerInterceptor

java.lang.Object

com.baomidou.mybatisplus.extension.plugins.OptimisticLockerInterceptor

所有已实现的接口:

org.apache.ibatis.plugin.Interceptor

已过时。

3.4.0 please use MybatisPlusInterceptor OptimisticLockerInnerInterceptor

@Deprecated
 @Intercepts(value=@Signature(type=org.apache.ibatis.executor.Executor.class,method="update",args={org.apache.ibatis.mapping.MappedStatement.class,java.lang.Object.class}))
public class OptimisticLockerInterceptor
extends java.lang.Object
implements org.apache.ibatis.plugin.Interceptor

Optimistic Lock Light version

Intercept on Executor.update;

Support version types: int/Integer, long/Long, java.util.Date, java.sql.Timestamp

For extra types, please define a subclass and override getUpdatedVersionVal() method.

How to use?

(1) Define an Entity and add Version annotation on one entity field.

(2) Add OptimisticLockerInterceptor into mybatis plugin.

How to work?

if update entity with version column=1:

(1) no OptimisticLockerInterceptor:

SQL: update tbl_test set name='abc' where id=100001;

(2) add OptimisticLockerInterceptor:

SQL: update tbl_test set name='abc',version=2 where id=100001 and version=1;

从以下版本开始:

2017/5/24

作者:

yuxiaobin

构造器概要

构造器

构造器和说明
OptimisticLockerInterceptor() 已过时。

方法概要

限定符和类型	方法和说明
protected java.lang.Object	getUpdatedVersionVal(java.lang.Class<?> clazz, java.lang.Object originalVersionVal) 已过时。 This method provides the control for version value.
java.lang.Object	intercept(org.apache.ibatis.plugin.Invocation invocation) 已过时。
java.lang.Object	plugin(java.lang.Object target) 已过时。

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.ibatis.plugin.Interceptor

setProperties

构造器详细资料

OptimisticLockerInterceptor

public OptimisticLockerInterceptor()

已过时。

方法详细资料

intercept

public java.lang.Object intercept(org.apache.ibatis.plugin.Invocation invocation)
                           throws java.lang.Throwable

已过时。

指定者:

intercept 在接口中 org.apache.ibatis.plugin.Interceptor

抛出:

java.lang.Throwable

getUpdatedVersionVal

protected java.lang.Object getUpdatedVersionVal(java.lang.Class<?> clazz,
                                                java.lang.Object originalVersionVal)

已过时。

This method provides the control for version value.
Returned value type must be the same as original one.

参数:

originalVersionVal - ignore

返回:

updated version val

plugin

public java.lang.Object plugin(java.lang.Object target)

已过时。

指定者:

plugin 在接口中 org.apache.ibatis.plugin.Interceptor