diff --git a/Chapter4-4-2/pom.xml b/Chapter4-4-2/pom.xml new file mode 100644 index 0000000..c959096 --- /dev/null +++ b/Chapter4-4-2/pom.xml @@ -0,0 +1,71 @@ + + + 4.0.0 + + com.didispace + Chapter4-4-2 + 1.0.0 + jar + + Chapter4-4-2 + Spring Boot project + + + org.springframework.boot + spring-boot-starter-parent + 1.3.2.RELEASE + + + + + UTF-8 + 1.8 + + + + + org.springframework.boot + spring-boot-starter + + + + org.springframework.boot + spring-boot-starter-test + test + + + + mysql + mysql-connector-java + 5.1.21 + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + org.springframework.boot + spring-boot-starter-cache + + + + org.springframework.boot + spring-boot-starter-redis + + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + \ No newline at end of file diff --git a/Chapter4-4-2/src/main/java/com/didispace/Application.java b/Chapter4-4-2/src/main/java/com/didispace/Application.java new file mode 100644 index 0000000..cc03394 --- /dev/null +++ b/Chapter4-4-2/src/main/java/com/didispace/Application.java @@ -0,0 +1,21 @@ +package com.didispace; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.cache.annotation.EnableCaching; + +/** + * @author 程序猿DD + * @version 1.0.0 + * @date 16/3/23 下午2:34. + * @blog http://blog.didispace.com + */ +@SpringBootApplication +@EnableCaching +public class Application { + + public static void main(String[] args) { + SpringApplication.run(Application.class, args); + } + +} diff --git a/Chapter4-4-2/src/main/java/com/didispace/domain/User.java b/Chapter4-4-2/src/main/java/com/didispace/domain/User.java new file mode 100644 index 0000000..3df8015 --- /dev/null +++ b/Chapter4-4-2/src/main/java/com/didispace/domain/User.java @@ -0,0 +1,59 @@ +package com.didispace.domain; + +import javax.persistence.Column; +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.Id; +import java.io.Serializable; + +/** + * @author 程序猿DD + * @version 1.0.0 + * @date 16/3/21 下午3:35. + * @blog http://blog.didispace.com + */ +@Entity +public class User implements Serializable { + + @Id + @GeneratedValue + private Long id; + + @Column(nullable = false) + private String name; + + @Column(nullable = false) + private Integer age; + + public User(){} + + public User(String name, Integer age) { + this.name = name; + this.age = age; + } + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public Integer getAge() { + return age; + } + + public void setAge(Integer age) { + this.age = age; + } + +} diff --git a/Chapter4-4-2/src/main/java/com/didispace/domain/UserRepository.java b/Chapter4-4-2/src/main/java/com/didispace/domain/UserRepository.java new file mode 100644 index 0000000..e26a1cd --- /dev/null +++ b/Chapter4-4-2/src/main/java/com/didispace/domain/UserRepository.java @@ -0,0 +1,24 @@ +package com.didispace.domain; + +import org.springframework.cache.annotation.CacheConfig; +import org.springframework.cache.annotation.CachePut; +import org.springframework.cache.annotation.Cacheable; +import org.springframework.data.jpa.repository.JpaRepository; + + +/** + * @author 程序猿DD + * @version 1.0.0 + * @date 16/3/23 下午2:34. + * @blog http://blog.didispace.com + */ +@CacheConfig(cacheNames = "users") +public interface UserRepository extends JpaRepository { + + @Cacheable(key = "#p0") + User findByName(String name); + + @CachePut(key = "#p0.name") + User save(User user); + +} diff --git a/Chapter4-4-2/src/main/resources/application.properties b/Chapter4-4-2/src/main/resources/application.properties new file mode 100644 index 0000000..1a9d025 --- /dev/null +++ b/Chapter4-4-2/src/main/resources/application.properties @@ -0,0 +1,15 @@ +spring.datasource.url=jdbc:mysql://localhost:3306/test +spring.datasource.username=root +spring.datasource.password=123456 +spring.datasource.driver-class-name=com.mysql.jdbc.Driver + +spring.jpa.properties.hibernate.hbm2ddl.auto=create-drop +spring.jpa.properties.hibernate.show_sql=true + +spring.redis.host=localhost +spring.redis.port=6379 +spring.redis.pool.max-idle=8 +spring.redis.pool.min-idle=0 +spring.redis.pool.max-active=8 +spring.redis.pool.max-wait=-1 + diff --git a/Chapter4-4-2/src/test/java/com/didispace/ApplicationTests.java b/Chapter4-4-2/src/test/java/com/didispace/ApplicationTests.java new file mode 100644 index 0000000..ceacc3b --- /dev/null +++ b/Chapter4-4-2/src/test/java/com/didispace/ApplicationTests.java @@ -0,0 +1,50 @@ +package com.didispace; + +import com.didispace.domain.User; +import com.didispace.domain.UserRepository; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.SpringApplicationConfiguration; +import org.springframework.cache.CacheManager; +import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; + +/** + * @author 程序猿DD + * @version 1.0.0 + * @date 16/3/23 下午2:34. + * @blog http://blog.didispace.com + */ +@RunWith(SpringJUnit4ClassRunner.class) +@SpringApplicationConfiguration(Application.class) +public class ApplicationTests { + + @Autowired + private UserRepository userRepository; + + @Autowired + private CacheManager cacheManager; + + @Before + public void before() { + userRepository.save(new User("AAA", 10)); + } + + @Test + public void test() throws Exception { + + User u1 = userRepository.findByName("AAA"); + System.out.println("第一次查询：" + u1.getAge()); + + User u2 = userRepository.findByName("AAA"); + System.out.println("第二次查询：" + u2.getAge()); + + u1.setAge(20); + userRepository.save(u1); + User u3 = userRepository.findByName("AAA"); + System.out.println("第三次查询：" + u3.getAge()); + + } + +}