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Spring使用Hibernate和再加SpringData時配置的差別基於Java配置

.sh for packages bean java配置 gem springmvc nbsp mod

只使用Spring+Hibernate

配置DataSource、LocalSessionFactoryBean、HibernateTransactionManager

import java.util.Properties;

import javax.sql.DataSource;

import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import
org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.PropertySource; import org.springframework.core.env.Environment; import org.springframework.jdbc.datasource.DriverManagerDataSource; import
org.springframework.orm.hibernate5.HibernateTransactionManager; import org.springframework.orm.hibernate5.LocalSessionFactoryBean; import org.springframework.transaction.annotation.EnableTransactionManagement; @Configuration @EnableTransactionManagement @ComponentScan({"com.websystique.springmvc.configuration"}) //配置包名 @PropertySource(value
= {"classpath:application.properties"}) public class HibernateConfiguration { @Autowired private Environment environment; private Properties hibernateProperties() { Properties properties = new Properties(); properties.put("hibernate.dialect", environment.getRequiredProperty("hibernate.dialect")); properties.put("hibernate.show_sql", environment.getRequiredProperty("hibernate.show_sql")); properties.put("hibernate.format_sql", environment.getRequiredProperty("hibernate.format_sql")); properties.put("hibernate.hbm2ddl.auto", environment.getRequiredProperty("hibernate.hbm2ddl.auto")); return properties; } @Bean public DataSource dataSource() { DriverManagerDataSource dataSource = new DriverManagerDataSource(); dataSource.setDriverClassName(environment.getRequiredProperty("jdbc.driverClassName")); dataSource.setUrl(environment.getRequiredProperty("jdbc.url")); dataSource.setUsername(environment.getRequiredProperty("jdbc.username")); dataSource.setPassword(environment.getRequiredProperty("jdbc.password")); return dataSource; } @Bean public LocalSessionFactoryBean sessionFactory() { LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean(); sessionFactory.setDataSource(dataSource()); sessionFactory.setPackagesToScan(new String[]{"com.websystique.springmvc.model"}); sessionFactory.setHibernateProperties(hibernateProperties()); return sessionFactory; } @Bean @Autowired public HibernateTransactionManager transactionManager(SessionFactory s) { HibernateTransactionManager txManager = new HibernateTransactionManager(); txManager.setSessionFactory(s); return txManager; } }

使用Spring+Hibernate+SpringData

配置:DataSource、LocalContainerEntityManagerFactoryBean、JpaTransactionManager

 1 import org.springframework.beans.factory.annotation.Autowired;
 2 import org.springframework.context.annotation.Bean;
 3 import org.springframework.context.annotation.Configuration;
 4 import org.springframework.context.annotation.PropertySource;
 5 import org.springframework.core.annotation.Order;
 6 import org.springframework.core.env.Environment;
 7 import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 8 import org.springframework.jdbc.datasource.DriverManagerDataSource;
 9 import org.springframework.orm.jpa.JpaTransactionManager;
10 import org.springframework.orm.jpa.JpaVendorAdapter;
11 import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
12 import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
13 import org.springframework.transaction.annotation.EnableTransactionManagement;
14 
15 import javax.sql.DataSource;
16 import java.util.Properties;
17 
18 @Configuration
19 @EnableTransactionManagement
20 @EnableJpaRepositories({"com.example.repository"})  //持久層包名
21 @PropertySource(value = {"classpath:application.properties"})
22 public class HibernateConfig {
23 
24     @Autowired
25     private Environment environment;
26 
27     private Properties hibernateProperties() {
28         Properties properties = new Properties();
29         properties.put("hibernate.dialect", environment.getRequiredProperty("hibernate.dialect"));
30         properties.put("hibernate.show_sql", environment.getRequiredProperty("hibernate.show_sql"));
31         properties.put("hibernate.format_sql", environment.getRequiredProperty("hibernate.format_sql"));
32         properties.put("hibernate.hbm2ddl.auto",environment.getRequiredProperty("hibernate.hbm2ddl.auto"));
33         return properties;
34     }
35     @Bean
36     public DataSource dataSource() {
37         DriverManagerDataSource dataSource = new DriverManagerDataSource();
38         dataSource.setDriverClassName(environment.getRequiredProperty("jdbc.driverClassName"));
39         dataSource.setUrl(environment.getRequiredProperty("jdbc.url"));
40         dataSource.setUsername(environment.getRequiredProperty("jdbc.username"));
41         dataSource.setPassword(environment.getRequiredProperty("jdbc.password"));
42         return dataSource;
43     }
44 
45     @Bean
46     public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
47         LocalContainerEntityManagerFactoryBean entityManagerFactory = new LocalContainerEntityManagerFactoryBean();
48         entityManagerFactory.setDataSource(dataSource());
49         entityManagerFactory.setPackagesToScan(new String[] { "com.example.model" });
50         JpaVendorAdapter jpaVendorAdapter = new HibernateJpaVendorAdapter();
51         entityManagerFactory.setJpaVendorAdapter(jpaVendorAdapter);
52         entityManagerFactory.setJpaProperties(hibernateProperties());
53         return entityManagerFactory;
54     }
55 
56     @Bean
57     public JpaTransactionManager transactionManager() {
58         JpaTransactionManager transactionManager = new JpaTransactionManager();
59         transactionManager.setDataSource(dataSource());
60         transactionManager.setEntityManagerFactory(entityManagerFactory().getObject());
61         return transactionManager;
62     }
63 
64 }

Spring使用Hibernate和再加SpringData時配置的差別基於Java配置