revise spring-boot jpa example.

example-common/repository-jpa/src/main/java/io/shardingsphere/example/common/jpa/service/JPACommonServiceImpl.java

@@ -17,13 +17,10 @@
 
 package io.shardingsphere.example.common.jpa.service;
 
-import io.shardingsphere.example.common.entity.Order;
-import io.shardingsphere.example.common.entity.OrderItem;
 import io.shardingsphere.example.common.jpa.entity.OrderEntity;
 import io.shardingsphere.example.common.jpa.entity.OrderItemEntity;
 import io.shardingsphere.example.common.repository.OrderItemRepository;
 import io.shardingsphere.example.common.repository.OrderRepository;
-import io.shardingsphere.example.common.service.CommonService;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 

sharding-jdbc-example/sharding-example/sharding-spring-boot-jpa-example/src/main/java/io/shardingsphere/example/spring/boot/jpa/SpringBootJPAMain.java → sharding-jdbc-example/sharding-example/sharding-spring-boot-jpa-example/src/main/java/io/shardingsphere/example/spring/boot/jpa/SpringBootExample.java

@@ -28,10 +28,10 @@ import org.springframework.context.annotation.ComponentScan;
 @ComponentScan("io.shardingsphere.example.common.jpa")
 @EntityScan(basePackages = "io.shardingsphere.example.common.jpa.entity")
 @SpringBootApplication(exclude = JtaAutoConfiguration.class)
-public class SpringBootJPAMain {
+public class SpringBootExample {
     
     public static void main(final String[] args) {
-        try (ConfigurableApplicationContext applicationContext = SpringApplication.run(SpringBootJPAMain.class, args)) {
+        try (ConfigurableApplicationContext applicationContext = SpringApplication.run(SpringBootExample.class, args)) {
             JPACommonService commonService = applicationContext.getBean(JPACommonService.class);
             commonService.processSuccess();
         }