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SpringBoot中Druid連接池與多數(shù)據(jù)源切換的方法_java_腳本之家
這個方法首先調(diào)用 determineCurrentLookupKey() 方法來獲取當(dāng)前的數(shù)據(jù)源標(biāo)識,然后根據(jù)這個標(biāo)識從內(nèi)部映射中查找對應(yīng)的數(shù)據(jù)源。 一旦找到了對應(yīng)的數(shù)據(jù)源,AbstractRoutingDataSource 就會調(diào)用該數(shù)據(jù)源的 getConnection() 方法來獲取實(shí)際的數(shù)據(jù)庫連接,并將這個連接返回給應(yīng)用程序。4. 數(shù)據(jù)源切換
www.dbjr.com.cn/program/330722k...htm 2025-6-4
...??Spring多租戶數(shù)據(jù)源管理 AbstractRoutingDataSource...
publicclassDynamicDataSourceextendsAbstractRoutingDataSource { @Override protectedObject determineCurrentLookupKey() { returnDataSourceContextHolder.getDbKey(); } } 最后一步,設(shè)置整個項(xiàng)目中默認(rèn)的DataSource。注意,我們生成DynamicDataSource之后,還需要提供targetDataSource和defaultTargetDataSource兩個屬性的值,才能...
www.dbjr.com.cn/article/2481...htm 2025-5-15
SpringBoot中動態(tài)數(shù)據(jù)源是實(shí)現(xiàn)與用途_java_腳本之家
public class DynamicDataSources extends AbstractRoutingDataSource { public static ThreadLocal<String> name = new ThreadLocal<>(); @Resource DataSource master; @Resource DataSource slave; @Override protected Object determineCurrentLookupKey() { return name.get(); } @Override public void afterPropertie...
www.dbjr.com.cn/program/295029d...htm 2025-6-8
Springboot結(jié)合JDBC實(shí)現(xiàn)雙數(shù)據(jù)源實(shí)例_java_腳本之家
public class DynamicDatasource extends AbstractRoutingDataSource { private static final Logger LOGGER = LoggerFactory.getLogger(DynamicDatasource.class); @Override protected Object determineCurrentLookupKey() { LOGGER.debug("動態(tài)獲取數(shù)據(jù)源{}",DatasourceUtil.getDB()); return DatasourceUtil.getDB(); }...
www.dbjr.com.cn/program/307419j...htm 2025-5-18
Spring MVC配置雙數(shù)據(jù)源實(shí)現(xiàn)一個java項(xiàng)目同時連接兩個數(shù)據(jù)庫的方法_ja...
import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource; public class DynamicDataSource extends AbstractRoutingDataSource{ @Override protected Object determineCurrentLookupKey() { return DatabaseContextHolder.getCustomerType(); } }Data...
www.dbjr.com.cn/article/1142...htm 2025-5-26
關(guān)于@DS注解切換數(shù)據(jù)源失敗的原因?qū)崙?zhàn)記錄_java_腳本之家
在determineDataSource()方法打上斷點(diǎn),結(jié)果根本沒有經(jīng)過該方法,然而@DS的攔截器斷點(diǎn)是能正常進(jìn)入的,@DS注解上的數(shù)據(jù)源名稱也讀取正確,是第二個庫。由此猜測,應(yīng)該是沒有走進(jìn)AbstractRoutingDataSource的getConnection()方法,查看druid的數(shù)據(jù)庫加載相關(guān)的日志,發(fā)現(xiàn)在boumidou的dynamic框架加載數(shù)據(jù)庫之前,已經(jīng)有其他數(shù)據(jù)庫加載...
www.dbjr.com.cn/article/2839...htm 2025-6-6
Spring動態(tài)注冊多數(shù)據(jù)源的實(shí)現(xiàn)方法_java_腳本之家
public static String getDataSourceKey() { return dataSourceKey.get(); } public static void clearDataSourceKey() { dataSourceKey.remove(); } } DynamicDataSource(重點(diǎn)) 繼承AbstractRoutingDataSource (建議閱讀其源碼,了解動態(tài)切換數(shù)據(jù)源的過程),實(shí)現(xiàn)動態(tài)選擇數(shù)據(jù)源; 1 2 3 4 5 6 7 8 9 10 11 ...
www.dbjr.com.cn/article/1330...htm 2025-5-13
SpringBoot集成Druid實(shí)現(xiàn)多數(shù)據(jù)源的兩種方式_java_腳本之家
import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource; /** * 動態(tài)數(shù)據(jù)源,關(guān)鍵代碼 */ public class DynamicDataSource extends AbstractRoutingDataSource { private static final ThreadLocal<String> contextHolder = new ThreadLocal<>(); public DynamicDataSource(DataSource defaultTargetData...
www.dbjr.com.cn/program/317363p...htm 2025-6-8
springboot配置多個數(shù)據(jù)源兩種方式實(shí)現(xiàn)_java_腳本之家
public @interface TargetDataSource { String value(); } DynamicDataSource 1 2 3 4 5 6 7 8 9 10 11 12 package com.sysmg.common.config.datasoure; import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource; public class DynamicDataSource extends AbstractRoutingDataSource { @Over...
www.dbjr.com.cn/article/2399...htm 2025-6-7