io.mybatis.provider.keysql

Class GenIdKeyGenerator

java.lang.Object

io.mybatis.provider.keysql.GenIdKeyGenerator

All Implemented Interfaces:

org.apache.ibatis.executor.keygen.KeyGenerator

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

生成主键

Constructor Summary

Constructors

Constructor and Description
GenIdKeyGenerator(GenId<?> genId, EntityTable table, EntityColumn column, org.apache.ibatis.session.Configuration configuration, boolean executeBefore)

Method Summary

Modifier and Type	Method and Description
void	genId(Object parameter)
void	genIdFirstTime(Object parameter) 只有第一次需要 executeBefore 时，此时已经漏掉了 processBefore 的执行时机，这里需要额外执行一次
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)
boolean	runFirstTime()

Methods inherited from class java.lang.Object

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

Constructor Detail

GenIdKeyGenerator

public GenIdKeyGenerator(GenId<?> genId,
                         EntityTable table,
                         EntityColumn column,
                         org.apache.ibatis.session.Configuration configuration,
                         boolean executeBefore)

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

genIdFirstTime

public void genIdFirstTime(Object parameter)

只有第一次需要 executeBefore 时，此时已经漏掉了 processBefore 的执行时机，这里需要额外执行一次

genId

public void genId(Object parameter)

runFirstTime

public boolean runFirstTime()