app.myoss.cloud.mybatis.executor.keygen

Class SequenceKeyGenerator

java.lang.Object

app.myoss.cloud.mybatis.executor.keygen.SequenceKeyGenerator

All Implemented Interfaces:

org.apache.ibatis.executor.keygen.KeyGenerator

public class SequenceKeyGenerator
extends Object
implements org.apache.ibatis.executor.keygen.KeyGenerator

用于 GenerationType.SEQUENCE_KEY 策略，触发 Sequence 接口实现类来生成序列值，并更新到实体对象中

Since:

2018年4月30日 下午5:12:53

Author:

Jerry.Chen

See Also:

SequenceKey, Sequence

Field Summary

Fields

Modifier and Type	Field and Description
static String	SEQUENCE_KEY_SUFFIX sequence key 默认的后缀名

Constructor Summary

Constructors

Constructor and Description
SequenceKeyGenerator(TableInfo tableInfo, String sqlId, boolean executeBefore) 初始化序列生成器

Method Summary

Modifier and Type	Method and Description
void	processAfter(org.apache.ibatis.executor.Executor executor, org.apache.ibatis.mapping.MappedStatement ms, Statement stmt, Object parameter)
void	processBefore(org.apache.ibatis.executor.Executor executor, org.apache.ibatis.mapping.MappedStatement ms, Statement stmt, Object parameter)

Methods inherited from class java.lang.Object

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

Field Detail

SEQUENCE_KEY_SUFFIX

public static final String SEQUENCE_KEY_SUFFIX

sequence key 默认的后缀名

See Also:

Constant Field Values

Constructor Detail

SequenceKeyGenerator

public SequenceKeyGenerator(TableInfo tableInfo,
                            String sqlId,
                            boolean executeBefore)

初始化序列生成器

Parameters:

tableInfo - 数据库表结构信息

sqlId - mappedStatement id

executeBefore - 在 INSERT 之前/之后执行

Method Detail

processBefore

public void processBefore(org.apache.ibatis.executor.Executor executor,
                          org.apache.ibatis.mapping.MappedStatement ms,
                          Statement stmt,
                          Object parameter)

Specified by:

processBefore in interface org.apache.ibatis.executor.keygen.KeyGenerator

processAfter

public void processAfter(org.apache.ibatis.executor.Executor executor,
                         org.apache.ibatis.mapping.MappedStatement ms,
                         Statement stmt,
                         Object parameter)

Specified by:

processAfter in interface org.apache.ibatis.executor.keygen.KeyGenerator