增加 seata 示例
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24
examples/seata-example/storage-service/pom.xml
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24
examples/seata-example/storage-service/pom.xml
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<?xml version="1.0"?>
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<project
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.chinaunicom.mall.ebtp.cloud</groupId>
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<artifactId>seata-example</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<groupId>com.chinaunicom.mall.ebtp.cloud</groupId>
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<artifactId>storage-service</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>storage-service</name>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.chinaunicom.mall.ebtp.cloud.storage;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
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import org.springframework.cloud.openfeign.EnableFeignClients;
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import org.springframework.context.annotation.Import;
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import com.chinaunicom.mall.ebtp.cloud.eureka.starter.EurekaStarterConfiguration;
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@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
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@EnableFeignClients
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@Import(EurekaStarterConfiguration.class)
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public class StorageSeataApplication {
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public static void main(String[] args) {
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SpringApplication.run(StorageSeataApplication.class, args);
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}
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}
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package com.chinaunicom.mall.ebtp.cloud.storage.config;
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import javax.sql.DataSource;
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import org.apache.ibatis.session.SqlSessionFactory;
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import org.mybatis.spring.SqlSessionFactoryBean;
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import org.mybatis.spring.transaction.SpringManagedTransactionFactory;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Primary;
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import com.alibaba.druid.pool.DruidDataSource;
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import io.seata.rm.datasource.DataSourceProxy;
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@Configuration
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public class SeataDatasourceConfiguration {
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@Bean
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@ConfigurationProperties(prefix = "spring.datasource")
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public DataSource druidDataSource() {
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return new DruidDataSource();
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}
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@Primary
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@Bean("dataSource")
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public DataSourceProxy dataSource(DataSource druidDataSource) {
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return new DataSourceProxy(druidDataSource);
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}
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@Bean
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public SqlSessionFactory sqlSessionFactory(DataSourceProxy dataSourceProxy) throws Exception {
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SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
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sqlSessionFactoryBean.setDataSource(dataSourceProxy);
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sqlSessionFactoryBean.setTransactionFactory(new SpringManagedTransactionFactory());
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return sqlSessionFactoryBean.getObject();
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}
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}
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package com.chinaunicom.mall.ebtp.cloud.storage.controller;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import com.chinaunicom.mall.ebtp.cloud.storage.service.StorageService;
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@RestController
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@RequestMapping("storage")
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public class StorageController {
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private @Autowired StorageService storageService;
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@RequestMapping("decrease")
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public String decrease(@RequestParam("productId") Long productId, @RequestParam("count") Integer count) {
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storageService.decrease(productId, count);
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return "Decrease Storage success";
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}
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}
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package com.chinaunicom.mall.ebtp.cloud.storage.entity;
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import com.baomidou.mybatisplus.annotation.TableName;
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import lombok.Data;
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import lombok.experimental.Accessors;
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@Data
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@TableName
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@Accessors(chain = true)
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public class Storage {
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private Long id;
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private Long productId;
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private Integer total;
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private Integer used;
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private Integer residue;
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}
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package com.chinaunicom.mall.ebtp.cloud.storage.mapper;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Update;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.chinaunicom.mall.ebtp.cloud.storage.entity.Storage;
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@Mapper
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public interface StorageMapper extends BaseMapper<Storage> {
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@Update("UPDATE storage SET used = used + #{count}, residue = residue - #{count} WHERE product_id = #{productId}")
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void decrease(@Param("productId") Long productId, @Param("count") Integer count);
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}
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package com.chinaunicom.mall.ebtp.cloud.storage.service;
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public interface StorageService {
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void decrease(Long productId, Integer count);
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}
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package com.chinaunicom.mall.ebtp.cloud.storage.service.impl;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import com.chinaunicom.mall.ebtp.cloud.storage.mapper.StorageMapper;
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import com.chinaunicom.mall.ebtp.cloud.storage.service.StorageService;
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import lombok.extern.slf4j.Slf4j;
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@Slf4j
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@Service
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public class StorageServiceImpl implements StorageService {
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private @Autowired StorageMapper storageMapper;
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@Override
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public void decrease(Long productId, Integer count) {
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log.info("------->扣减库存开始");
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storageMapper.decrease(productId, count);
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log.info("------->扣减库存结束");
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}
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}
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@ -0,0 +1,18 @@
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logging:
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level:
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com.chinaunicom.mall.ebtp.cloud: info
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server:
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port: 8674
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spring:
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cloud:
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alibaba:
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seata:
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tx-service-group: test_tx_group
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datasource:
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driver-class-name: com.mysql.cj.jdbc.Driver
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url: jdbc:mysql://125.32.114.204:13306/ebtp_mall_evaluation?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&useSSL=false&allowPublicKeyRetrieval=true
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username: mall3-ebtp-dev
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password: mall3-ebtp-dev
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@ -0,0 +1,5 @@
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spring:
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profiles:
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active: dev
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application:
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name: storage-service
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package com.chinaunicom.mall.ebtp.cloud.storage;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestSuite;
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/**
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* Unit test for simple App.
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*/
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public class AppTest
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extends TestCase
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{
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/**
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* Create the test case
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*
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* @param testName name of the test case
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*/
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public AppTest( String testName )
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{
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super( testName );
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}
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/**
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* @return the suite of tests being tested
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*/
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public static Test suite()
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{
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return new TestSuite( AppTest.class );
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}
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/**
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* Rigourous Test :-)
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*/
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public void testApp()
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{
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assertTrue( true );
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}
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}
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