org.tinygroup.sequence.impl

Class DataSourceRandomSelector

java.lang.Object

org.tinygroup.sequence.impl.DataSourceRandomSelector

All Implemented Interfaces:

DataSourceSelector

public class DataSourceRandomSelector
extends Object
implements DataSourceSelector

生成随机数，用于选择在哪个库上获取sequence

Author:

renhui

Constructor Summary

Constructors

Constructor and Description
DataSourceRandomSelector(int dataSourceNum)
DataSourceRandomSelector(int[] weights)

Method Summary

Modifier and Type	Method and Description
int	getRandomDataSourceIndex(List<Integer> excludeIndexes) 随机选择数据源的接口，

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSourceRandomSelector

public DataSourceRandomSelector(int dataSourceNum)

DataSourceRandomSelector

public DataSourceRandomSelector(int[] weights)

Method Detail

getRandomDataSourceIndex

public int getRandomDataSourceIndex(List<Integer> excludeIndexes)

Description copied from interface: DataSourceSelector

随机选择数据源的接口，

Specified by:

getRandomDataSourceIndex in interface DataSourceSelector

Parameters:

excludeIndexes - 排除的数据源序号

Returns:

返回数据源序号