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spring学习(18):首选bean

mac2022-06-20  83


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userService类

package com.geyao.demo.service; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Appconfig.class) public class UserServiceTest { @Autowired private UserService userService; @Test public void testAdd(){ userService.add(); } } UserServiceNormal类  package com.geyao.demo.service.com.geyao.demo.service.impl; import com.geyao.demo.service.UserService; import org.springframework.stereotype.Component; @Component public class UserServiceNormal implements UserService { public void add(){ System.out.println("添加用户"); } }

Appconfig类

package com.geyao.demo.service; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; @Configuration @ComponentScan public class Appconfig { }

userserviceFestival类

package com.geyao.demo.service.com.geyao.demo.service.impl; import com.geyao.demo.service.UserService; import org.springframework.context.annotation.Primary; import org.springframework.stereotype.Component; @Component //首选bean @Primary public class UserServiceFestival implements UserService { public void add(){ System.out.println("添加用户并发送优惠券"); } } UserServiceTest类 package com.geyao.demo.service; import com.geyao.demo.service.com.geyao.demo.service.impl.UserServiceNormal; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Appconfig.class) public class UserServiceTest { @Autowired private UserService userService; @Test public void testAdd(){ userService.add(); } }

 运行结果

[INFO ] 2019-10-30 20:08:51,472 method:org.springframework.test.context.support.AbstractTestContextBootstrapper.getDefaultTestExecutionListenerClassNames(AbstractTestContextBootstrapper.java:260) Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener] [INFO ] 2019-10-30 20:08:51,482 method:org.springframework.test.context.support.AbstractTestContextBootstrapper.instantiateListeners(AbstractTestContextBootstrapper.java:209) Could not instantiate TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener]. Specify custom listener classes or make the default listener classes (and their required dependencies) available. Offending class: [javax/servlet/ServletContext] [INFO ] 2019-10-30 20:08:51,484 method:org.springframework.test.context.support.AbstractTestContextBootstrapper.instantiateListeners(AbstractTestContextBootstrapper.java:209) Could not instantiate TestExecutionListener [org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]. Specify custom listener classes or make the default listener classes (and their required dependencies) available. Offending class: [org/springframework/transaction/interceptor/TransactionAttribute] [INFO ] 2019-10-30 20:08:51,485 method:org.springframework.test.context.support.AbstractTestContextBootstrapper.instantiateListeners(AbstractTestContextBootstrapper.java:209) Could not instantiate TestExecutionListener [org.springframework.test.context.transaction.TransactionalTestExecutionListener]. Specify custom listener classes or make the default listener classes (and their required dependencies) available. Offending class: [org/springframework/transaction/interceptor/TransactionAttributeSource] [INFO ] 2019-10-30 20:08:51,487 method:org.springframework.test.context.support.AbstractTestContextBootstrapper.getTestExecutionListeners(AbstractTestContextBootstrapper.java:187) Using TestExecutionListeners: [org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@1786f9d5, org.springframework.test.context.support.DependencyInjectionTestExecutionListener@704d6e83, org.springframework.test.context.support.DirtiesContextTestExecutionListener@43a0cee9][INFO ] 2019-10-30 20:08:51,650 method:org.springframework.context.support.AbstractApplicationContext.prepareRefresh(AbstractApplicationContext.java:583) Refreshing org.springframework.context.support.GenericApplicationContext@4df828d7: startup date [Wed Oct 30 20:08:51 CST 2019]; root of context hierarchy [DEBUG] 2019-10-30 20:08:51,672 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-10-30 20:08:51,673 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-10-30 20:08:51,707 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:51,710 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/C:/Users/geyao/.m2/repository/org/springframework/spring-core/4.3.13.RELEASE/spring-core-4.3.13.RELEASE.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 [DEBUG] 2019-10-30 20:08:51,974 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:51,975 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:51,976 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,022 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:52,023 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:52,023 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:52,025 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,034 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:52,041 method:org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:730) Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@44ebcd03: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,appconfig,userServiceFestival,userServiceNormal,userService.Appconfig]; root of factory hierarchy [DEBUG] 2019-10-30 20:08:52,041 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-10-30 20:08:52,042 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:52,042 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-30 20:08:52,043 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-10-30 20:08:52,043 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-10-30 20:08:52,051 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.event.internalEventListenerProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,054 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-10-30 20:08:52,055 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-30 20:08:52,055 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-30 20:08:52,056 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.event.internalEventListenerFactory' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,059 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-30 20:08:52,060 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'appconfig' [DEBUG] 2019-10-30 20:08:52,060 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'appconfig' [DEBUG] 2019-10-30 20:08:52,061 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'appconfig' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,069 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'appconfig' [DEBUG] 2019-10-30 20:08:52,069 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'userServiceFestival' [DEBUG] 2019-10-30 20:08:52,070 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'userServiceFestival' [DEBUG] 2019-10-30 20:08:52,071 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'userServiceFestival' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,075 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'userServiceFestival' [DEBUG] 2019-10-30 20:08:52,076 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'userServiceNormal' [DEBUG] 2019-10-30 20:08:52,077 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'userServiceNormal' [DEBUG] 2019-10-30 20:08:52,078 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'userServiceNormal' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,082 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'userServiceNormal' [DEBUG] 2019-10-30 20:08:52,082 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'userService.Appconfig' [DEBUG] 2019-10-30 20:08:52,083 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'userService.Appconfig' [DEBUG] 2019-10-30 20:08:52,084 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'userService.Appconfig' to allow for resolving potential circular references [DEBUG] 2019-10-30 20:08:52,089 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'userService.Appconfig' [DEBUG] 2019-10-30 20:08:52,090 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-30 20:08:52,152 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'lifecycleProcessor' [DEBUG] 2019-10-30 20:08:52,162 method:org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:86) Processing injected element of bean 'com.geyao.demo.service.UserServiceTest': AutowiredFieldElement for private com.geyao.demo.service.UserService com.geyao.demo.service.UserServiceTest.userService [DEBUG] 2019-10-30 20:08:52,169 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'userServiceFestival' [DEBUG] 2019-10-30 20:08:52,170 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'userServiceNormal' [DEBUG] 2019-10-30 20:08:52,171 method:org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.registerDependentBeans(AutowiredAnnotationBeanPostProcessor.java:535) Autowiring by type from bean name 'com.geyao.demo.service.UserServiceTest' to bean named 'userServiceFestival' 添加用户并发送优惠券 [INFO ] 2019-10-30 20:08:52,182 method:org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:984) Closing org.springframework.context.support.GenericApplicationContext@4df828d7: startup date [Wed Oct 30 20:08:51 CST 2019]; root of context hierarchy [DEBUG] 2019-10-30 20:08:52,184 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'lifecycleProcessor' [DEBUG] 2019-10-30 20:08:52,184 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:512) Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@44ebcd03: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,appconfig,userServiceFestival,userServiceNormal,userService.Appconfig]; root of factory hierarchy

 


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