[英]spring jpa custom repository not working
嘗試使用spring創建自定義存儲庫實現並收到以下錯誤:
caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No
qualifying bean of type [com.mynamespace.domain.repository.GenericRepositoryImpl]
found for dependency: expected at least 1 bean which qualifies as autowire
candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
這是我的代碼(可從https://dl.dropboxusercontent.com/u/11115278/src-spring-problem/SpringSimple.zip.renameit下載):
public class GenericRepositoryImpl<T, ID extends Serializable> extends
SimpleJpaRepository<T, ID> implements GenericRepository<T, ID> {
private static final long serialVersionUID = 1L;
private EntityManager entityManager;
private Class<T> domainClass;
public GenericRepositoryImpl(Class<T> domainClass, EntityManager entityManager) {
super(domainClass, entityManager);
this.entityManager = entityManager;
this.domainClass = domainClass;
}
public List<T> someCustomMethod(Long orgId) {
return super.findAll();
}
}
中間接口
@NoRepositoryBean
public interface GenericRepository<T, ID extends Serializable> extends JpaRepository<T, ID> {
List<T> someCustomMethod(Long orgId);
}
定制工廠豆
public class GenericRepositoryFactoryBean<R extends JpaRepository<T, I>, T, I extends Serializable>
extends JpaRepositoryFactoryBean<R, T, I> {
static Logger logger = LoggerFactory.getLogger(GenericRepositoryFactoryBean.class);
protected RepositoryFactorySupport createRepositoryFactory(EntityManager entityManager) {
logger.debug("#### GenericRepositoryFactoryBean : createRepositoryFactory #################");
return new GenericRepositoryFactory(entityManager);
}
protected static class GenericRepositoryFactory<T, I extends Serializable> extends JpaRepositoryFactory {
private EntityManager entityManager;
public GenericRepositoryFactory(EntityManager entityManager) {
super(entityManager);
logger.debug("#### GenericRepositoryFactory : createRepositoryFactory #################");
this.entityManager = entityManager;
}
protected Object getTargetRepository(RepositoryMetadata metadata) {
logger.debug("#### GenericRepositoryFactory : getTargetRepository #################");
logger.debug("#### GenericRepositoryFactory : getTargetRepository metadata.domainType - %1 entityManager - %2",metadata.getDomainType(),entityManager);
return new GenericRepositoryImpl<T, I>((Class<T>) metadata.getDomainType(), entityManager);
}
protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) {
logger.debug("#### GenericRepositoryFactory : getRepositoryBaseClass #################");
// The RepositoryMetadata can be safely ignored, it is used by the JpaRepositoryFactory
// to check for QueryDslJpaRepository's which is out of scope.
return GenericRepositoryImpl.class;
}
}
}
彈簧配置
<jpa:repositories base-package="com.mynamespace.domain.repository"
factory-class="com.mynamespace.domain.factory.GenericRepositoryFactoryBean"/>
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="persistenceUnitName" value="Mypu" />
<property name="dataSource" >
<jee:jndi-lookup id="dataSoruce" jndi-name="java:comp/env/jdbc/MyDS" />
</property>
<property name="packagesToScan" value="com.mynamespace.domain.model" />
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="generateDdl" value="false"/>
<property name="showSql" value="false"/>
<property name="databasePlatform" value="org.hibernate.dialect.PostgreSQLDialect"/>
</bean>
</property>
</bean>
<!--TransactionManager-->
<bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<tx:annotation-driven transaction-manager="txManager"/>
附加信息:我正在使用Spring MVC,我有一個Spring MVC的配置文件和另一個數據文件,這是我的Spring MVC文件:
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<import resource="classpath:spring/*.xml"/>
<context:component-scan base-package="com.mynamespace.controllers"/>
<mvc:annotation-driven />
<mvc:resources mapping="/css/**" location="/WEB-INF/resources/css/" />
<mvc:resources mapping="/js/**" location="/WEB-INF/resources/js/" />
<mvc:resources mapping="/images/**" location="/WEB-INF/resources/images/" />
<mvc:resources mapping="/font/**" location="/WEB-INF/resources/font/" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- Example: a logical view name of 'showMessage' is mapped to '/WEB-INF/jsp/showMessage.jsp' -->
<property name="prefix" value="/WEB-INF/view/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
不起作用:(有幫助嗎?
異常似乎表明您從應用程序類中某個位置的注入點引用了GenericRepositoryImpl
。 不幸的是,樣本沒有顯示確切的位置。 添加更多的原始堆棧跟蹤信息可能有助於確定問題的根本原因。 絕對是試圖直接自動連接實現類的應用程序組件。
確保您仍然讓應用程序存儲庫擴展GenericRepository
並將它們僅注入到服務,控制器等中。
編輯:下面的注釋線程是由於對提供的示例代碼有誤解而導致的。
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