cn.fantasticmao.mundo.data.partition

Class PartitionDataSource

java.lang.Object

org.springframework.jdbc.datasource.AbstractDataSource

org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource

cn.fantasticmao.mundo.data.partition.PartitionDataSource

All Implemented Interfaces:

Wrapper, CommonDataSource, DataSource, org.springframework.beans.factory.InitializingBean

public class PartitionDataSource
extends org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource

从 PartitionSeedContext 获取 PartitionSeed，再由 PartitionSeedToDataSourceKeyStrategy 转换成对应 DataSource 的 Lookup Key，再从 AbstractRoutingDataSource.resolvedDataSources 中动态选择数据源。

Since:

2017/11/16

Version:

1.0

Author:

maodh

Field Summary

Fields inherited from class org.springframework.jdbc.datasource.AbstractDataSource

logger

Constructor Summary

Constructors

Constructor and Description
PartitionDataSource(Map<String,DataSource> dataSources, DataSource defaultDataSource, PartitionSeedToDataSourceKeyStrategy partitionSeedToDataSourceKeyStrategy)

Method Summary

Modifier and Type	Method and Description
protected Object	determineCurrentLookupKey()

Methods inherited from class org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource

afterPropertiesSet, determineTargetDataSource, getConnection, getConnection, getResolvedDataSources, getResolvedDefaultDataSource, isWrapperFor, resolveSpecifiedDataSource, resolveSpecifiedLookupKey, setDataSourceLookup, setDefaultTargetDataSource, setLenientFallback, setTargetDataSources, unwrap

Methods inherited from class org.springframework.jdbc.datasource.AbstractDataSource

getLoginTimeout, getLogWriter, getParentLogger, setLoginTimeout, setLogWriter

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionDataSource

public PartitionDataSource(@Nonnull
                           Map<String,DataSource> dataSources,
                           @Nullable
                           DataSource defaultDataSource,
                           @Nonnull
                           PartitionSeedToDataSourceKeyStrategy partitionSeedToDataSourceKeyStrategy)

Method Detail

determineCurrentLookupKey

protected Object determineCurrentLookupKey()

Specified by:

determineCurrentLookupKey in class org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource