org.tinygroup.sequence.impl

Class MultipleSequenceFactory

java.lang.Object

org.tinygroup.sequence.impl.MultipleSequenceFactory

public class MultipleSequenceFactory
extends Object

根据数据库里的sequence记录来初始化成sequence的factory 利用sequence name作为key在factory里获取对应的multipleSequence对象 然后在 multipleSequence对象上通过接口nextValue()获取sequence值

Constructor Summary

Constructors

Constructor and Description
MultipleSequenceFactory()

Method Summary

Modifier and Type	Method and Description
MultipleSequenceDao	getMultipleSequenceDao() Getter method for property sequenceDao.
long	getNextValue(String sequenceName) 外部调用接口，根据sequence name 获取sequence value 如果该sequence在multipleSequenceMap里不存在，则去db里查一下是否存在， 如果存在就生成对应的multipleSequence对象并加载到内存，否则报错；
void	init() 初始化multipleSequence的工厂 从数据源里获取sequence的记录，对每一条记录进行处理，生成对应的multipleSequence对象，加载到内存中
void	setMultipleSequenceDao(MultipleSequenceDao sequenceDao) Setter method for property sequenceDao.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultipleSequenceFactory

public MultipleSequenceFactory()

Method Detail

init

public void init()

初始化multipleSequence的工厂 从数据源里获取sequence的记录，对每一条记录进行处理，生成对应的multipleSequence对象，加载到内存中

Throws:

Exception

getNextValue

public long getNextValue(String sequenceName)
                  throws Exception

外部调用接口，根据sequence name 获取sequence value 如果该sequence在multipleSequenceMap里不存在，则去db里查一下是否存在， 如果存在就生成对应的multipleSequence对象并加载到内存，否则报错；

Parameters:

sequenceName -

Returns:

Throws:

Exception

getMultipleSequenceDao

public MultipleSequenceDao getMultipleSequenceDao()

Getter method for property sequenceDao.

Returns:

property value of sequenceDao

setMultipleSequenceDao

public void setMultipleSequenceDao(MultipleSequenceDao sequenceDao)

Setter method for property sequenceDao.

Parameters:

sequenceDao - value to be assigned to property sequenceDao