spring-boot - 对多租户应用程序Spring Boot，JPA，Eclipselink和AbstractRoutingDataSource进行原型设计

/* * Copyright 2015-2018 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package example.springdata.jpa.eclipselink; import java.util.Collections; import java.util.Map; import javax.sql.DataSource; import com.zaxxer.hikari.*; import org.springframework.jdbc.datasource.lookup.*; import org.springframework.boot.autoconfigure.*; import org.springframework.boot.autoconfigure.jdbc.*; import org.springframework.context.annotation.*; import java.util.*; import org.springframework.beans.factory.ObjectProvider; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration; import org.springframework.boot.autoconfigure.orm.jpa.JpaProperties; import org.springframework.boot.autoconfigure.transaction.TransactionManagerCustomizers; import org.springframework.orm.jpa.vendor.AbstractJpaVendorAdapter; import org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter; import org.springframework.transaction.jta.JtaTransactionManager; /** * Spring Boot application that uses EclipseLink as the JPA provider. * * @author Oliver Gierke * @author Jeremy Rickard * @author Mark Paluch */ @SpringBootApplication @EnableAutoConfiguration(exclude = { // DataSourceAutoConfiguration.class, // DataSourceTransactionManagerAutoConfiguration.class }) public class Application extends JpaBaseConfiguration { /** * @param dataSource * @param properties * @param jtaTransactionManagerProvider */ protected Application(DataSource dataSource, JpaProperties properties, ObjectProvider<JtaTransactionManager> jtaTransactionManagerProvider, ObjectProvider<TransactionManagerCustomizers> transactionManagerCustomizers) { super(dataSource, properties, jtaTransactionManagerProvider, transactionManagerCustomizers); } /* * (non-Javadoc) * @see org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration#createJpaVendorAdapter() */ @Override protected AbstractJpaVendorAdapter createJpaVendorAdapter() { return new EclipseLinkJpaVendorAdapter(); } /* * (non-Javadoc) * @see org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration#getVendorProperties() */ @Override protected Map<String, Object> getVendorProperties() { // Turn off dynamic weaving to disable LTW lookup in static weaving mode return Collections.singletonMap("eclipselink.weaving", "false"); } public static void main(String[] args) { CustomerRepository repository = SpringApplication.run(Application.class, args).getBean(CustomerRepository.class); repository.save(new Customer("Richard", "Feynman")); System.out.println(repository.findAll()); } @Bean @Primary public DataSource dataSource() { // AbstractRoutingDataSource dataSource = new TenantAwareRoutingSource(); // Map<Object,Object> targetDataSources = new HashMap<>(); HikariDataSource dataSource1 = new HikariDataSource(); dataSource1.setInitializationFailTimeout(0); dataSource1.setMaximumPoolSize(5); dataSource1.setDataSourceClassName("org.h2.Driver"); dataSource1.addDataSourceProperty("url", "jdbc:h2:tcp://localhost/~/test;SCHEMA;cxcatalog_t1"); dataSource1.addDataSourceProperty("user", "guest"); dataSource1.addDataSourceProperty("password", "guest123"); // targetDataSources.put("TenantOne", dataSource1); // HikariDataSource dataSource2 = new HikariDataSource(); // dataSource2.setInitializationFailTimeout(0); // dataSource2.setMaximumPoolSize(5); // dataSource2.setDataSourceClassName("org.h2.Driver"); // dataSource2.addDataSourceProperty("url", "jdbc:h2:tcp://localhost/~/test;SCHEMA;cxcatalog_t2"); // dataSource2.addDataSourceProperty("user", "guest"); // dataSource2.addDataSourceProperty("password", "guest123"); // targetDataSources.put("TenantTwo", dataSource2); // dataSource.setTargetDataSources(targetDataSources); // dataSource.afterPropertiesSet(); return dataSource1; } }

[INFO] Attaching agents: [/home/sgokak/.m2/repository/org/springframework/spring-instrument/5.0.9.BUILD-SNAPSHOT/spring-instrument-5.0.9.BUILD-SNAPSHOT.jar] 10:23:41.471 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Included patterns for restart : [] 10:23:41.475 [main] DEBUG org.springframework.boot.devtools.settings.DevToolsSettings - Excluded patterns for restart : [/spring-boot-starter-[\w-]+/, /spring-boot/target/classes/, /spring-boot-starter/target/classes/, /spring-boot-devtools/target/classes/, /spring-boot-actuator/target/classes/, /spring-boot-autoconfigure/target/classes/] 10:23:41.476 [main] DEBUG org.springframework.boot.devtools.restart.ChangeableUrls - Matching URLs for reloading : [file:/home/sgokak/myspace/myprojects/spring-data-examples-master/jpa/eclipselink/target/classes/] . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.0.5.RELEASE) 2018-10-17 10:23:42.105 INFO 8903 --- [ restartedMain] e.s.jpa.eclipselink.Application : Starting Application on sgokak-ThinkPad-T450 with PID 8903 (/home/sgokak/myspace/myprojects/spring-data-examples-master/jpa/eclipselink/target/classes started by sgokak in /home/sgokak/myspace/myprojects/spring-data-examples-master/jpa/eclipselink) 2018-10-17 10:23:42.107 INFO 8903 --- [ restartedMain] e.s.jpa.eclipselink.Application : No active profile set, falling back to default profiles: default 2018-10-17 10:23:42.192 INFO 8903 --- [ restartedMain] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@26df0bdc: startup date [Wed Oct 17 10:23:42 EDT 2018]; root of context hierarchy WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/home/sgokak/.m2/repository/org/springframework/spring-core/5.0.9.BUILD-SNAPSHOT/spring-core-5.0.9.BUILD-SNAPSHOT.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) WARNING: Please consider reporting this to the maintainers of org.springframework.cglib.core.ReflectUtils$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release 2018-10-17 10:23:43.478 WARN 8903 --- [ restartedMain] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'application': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'application': Requested bean is currently in creation: Is there an unresolvable circular reference? 2018-10-17 10:23:43.489 INFO 8903 --- [ restartedMain] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2018-10-17 10:23:43.493 ERROR 8903 --- [ restartedMain] o.s.b.d.LoggingFailureAnalysisReporter : *************************** APPLICATION FAILED TO START *************************** Description: The dependencies of some of the beans in the application context form a cycle: ┌─────┐ | application └─────┘