我试图用springboot更新一个使用spring和hibernate进行的项目。SPRING BOOT访问entityManager
一切似乎没问题,但我不知道如何获得entityManager。
我没有使用弹簧数据,所以没有使用域和存储库。
在这个项目中,服务都标注有@Service和EntityManager的是自动装配有:@PersistenceContext,
这里我的服务
@Service
@Transactional
public class UserServiceImpl implements UserDetailsService, UserService {
@PersistenceContext
EntityManager entityManager;
/**
*
*/
private static final long serialVersionUID = 6384460058124202695L;
public UserDetails loadUserByUsername(String username)
throws UsernameNotFoundException, DataAccessException {
User user = entityManager.find(User.class, username);
return user;
}
的例子这里的问题是,实体管理器为空。所以,我在文档阅读,如果我们要管理的EntityManager我们必须配置它,所以我做了这个配置文件:
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactoryBean() {
LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
em.setDataSource(dataSource());
em.setPackagesToScan(new String[] { "services" });
JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
em.setJpaVendorAdapter(vendorAdapter);
em.setJpaProperties(additionalProperties());
return em;
}
应用程序被启动,但仍然有EntityManager的空。
任何线索?
谢谢。
编辑:加入我的应用程序类(有它的一个示范项目,我把所有的配置在一个文件中)
@Configuration
@EnableAutoConfiguration
@ComponentScan
@EnableWebMvcSecurity
public class Application extends WebSecurityConfigurerAdapter{
@Value("${sec.cas.server}")
private String casServer;
@Value("${sec.app.server}")
private String appServer;
@Value("${spring.datasource.driverClassName}")
private String databaseDriverClassName;
@Value("${spring.datasource.url}")
private String databaseUrl;
@Value("${spring.datasource.username}")
private String databaseUsername;
@Value("${spring.datasource.password}")
private String databasePassword;
public static void main(String[] args) {
ApplicationContext ctx = SpringApplication.run(Application.class, args);
System.out.println("Let's inspect the beans provided by Spring Boot:");
String[] beanNames = ctx.getBeanDefinitionNames();
Arrays.sort(beanNames);
for (String beanName : beanNames) {
System.out.println(beanName);
}
}
@Bean
public ComboPooledDataSource dataSource() {
ComboPooledDataSource datasource = new ComboPooledDataSource();
try {
datasource.setDriverClass(databaseDriverClassName);
} catch (PropertyVetoException e) {
throw new IllegalArgumentException("Wrong driver class");
}
datasource.setJdbcUrl(databaseUrl);
datasource.setUser(databaseUsername);
datasource.setPassword(databasePassword);
datasource.setAcquireIncrement(1);
datasource.setIdleConnectionTestPeriod(600);
datasource.setMaxPoolSize(500);
datasource.setMinPoolSize(50);
datasource.setMaxStatements(0);
datasource.setMaxConnectionAge(600);
datasource.setMaxIdleTime(600);
return datasource;
}
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactoryBean() {
DefaultPersistenceUnitManager unitManager = new DefaultPersistenceUnitManager();
unitManager.setDefaultDataSource(dataSource());
unitManager.setPersistenceXmlLocations("classpath*:META-INF/persistence.xml"); //location of your persistence.xml file
unitManager.setPackagesToScan(new String[] { "services" });
unitManager.setDefaultPersistenceUnitName("entityManager");
LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
em.setPersistenceUnitManager(unitManager);
JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
em.setJpaVendorAdapter(vendorAdapter);
em.setJpaProperties(additionalProperties());
return em;
}
Properties additionalProperties() {
Properties properties = new Properties();
properties.setProperty("hibernate.show_sql", "false");
properties.setProperty("hibernate.format_sql", "true");
properties.setProperty("hibernate.dialect", "org.hibernate.dialect.Oracle9iDialect");
return properties;
}
@Bean
public JdbcDaoImpl jdbcUserService() {
JdbcDaoImpl jdbcDaoImpl = new JdbcDaoImpl();
jdbcDaoImpl.setEnableGroups(true);
jdbcDaoImpl.setEnableAuthorities(true);
jdbcDaoImpl.setDataSource(dataSource());
return jdbcDaoImpl;
}
@Bean
public ServiceProperties serviceProperties() {
ServiceProperties serviceProperties = new ServiceProperties();
serviceProperties.setService("http://"+appServer+"/j_spring_cas_security_check");
serviceProperties.setSendRenew(false);
return serviceProperties;
}
@Bean
public CasAuthenticationProvider casAuthenticationProvider() {
CasAuthenticationProvider casAuthenticationProvider = new CasAuthenticationProvider();
casAuthenticationProvider.setAuthenticationUserDetailsService(authenticationUserDetailsService());
casAuthenticationProvider.setUserDetailsService(new UserServiceImpl());
//casAuthenticationProvider.setAuthenticationUserDetailsService(userServiceImpl.class);
casAuthenticationProvider.setServiceProperties(serviceProperties());
casAuthenticationProvider.setTicketValidator(cas20ServiceTicketValidator());
casAuthenticationProvider.setKey("an_id_for_this_auth_provider_only");
return casAuthenticationProvider;
}
@Bean
public UserDetailsByNameServiceWrapper authenticationUserDetailsService() {
UserDetailsByNameServiceWrapper userDetailsByName = new UserDetailsByNameServiceWrapper();
userDetailsByName.setUserDetailsService(jdbcUserService());
return userDetailsByName;
}
@Bean
public Cas20ServiceTicketValidator cas20ServiceTicketValidator() {
Cas20ServiceTicketValidator casServiceTicketValidator = new Cas20ServiceTicketValidator("https://"+casServer+"/cas");
casServiceTicketValidator.setProxyCallbackUrl("http://"+appServer+"/");
casServiceTicketValidator.setProxyGrantingTicketStorage(new ProxyGrantingTicketStorageImpl());
return casServiceTicketValidator;
}
@Bean
public CasAuthenticationFilter casAuthenticationFilter() throws Exception {
CasAuthenticationFilter casAuthenticationFilter = new CasAuthenticationFilter();
casAuthenticationFilter.setAuthenticationManager(authenticationManager());
casAuthenticationFilter.setAuthenticationSuccessHandler(new SavedRequestAwareAuthenticationSuccessHandler());
casAuthenticationFilter.setProxyGrantingTicketStorage(new ProxyGrantingTicketStorageImpl());
casAuthenticationFilter.setProxyReceptorUrl("/secure/receptor");
return casAuthenticationFilter;
}
@Bean
public CasAuthenticationEntryPoint casAuthenticationEntryPoint() {
CasAuthenticationEntryPoint casAuthenticationEntryPoint = new CasAuthenticationEntryPoint();
casAuthenticationEntryPoint.setLoginUrl("https://"+casServer+"/cas/login");
casAuthenticationEntryPoint.setServiceProperties(serviceProperties());
return casAuthenticationEntryPoint;
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http
.addFilter(casAuthenticationFilter());
http
.exceptionHandling()
.authenticationEntryPoint(casAuthenticationEntryPoint());
http
.authorizeRequests()
.antMatchers("/", "/home").authenticated()
.anyRequest().authenticated();
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth
.authenticationProvider(casAuthenticationProvider());
}
这将是很好看你的主应用程序类的样子,因为使用Spring启动 – geoand 2014-10-18 16:03:56
您正在你确定了'UserServiceImpl'的实例由春天管理?一般来说,如果它是空的,它不会被Spring管理,如果Spring不能自动连接依赖项,它会抛出一个异常。 – 2014-10-19 18:21:56
我已将我的应用程序类放在主线程中。我认为UserServiceImpl管理得当。当应用程序启动时,我可以在loadUserByUsername方法中放置一个断点,当应用程序到达此处时,我可以看到此时entityManager为空。 – partyboy 2014-10-20 07:41:31