[JAVA-958] Standardize packages in spring-batch module

spring-batch/src/main/java/com/baeldung/taskletsvschunks/config/TaskletsConfig.java

@@ -0,0 +1,103 @@
+package com.baeldung.taskletsvschunks.config;
+
+import com.baeldung.taskletsvschunks.tasklets.LinesProcessor;
+import com.baeldung.taskletsvschunks.tasklets.LinesReader;
+import com.baeldung.taskletsvschunks.tasklets.LinesWriter;
+import org.springframework.batch.core.Job;
+import org.springframework.batch.core.Step;
+import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
+import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
+import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
+import org.springframework.batch.core.launch.JobLauncher;
+import org.springframework.batch.core.launch.support.SimpleJobLauncher;
+import org.springframework.batch.core.repository.JobRepository;
+import org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean;
+import org.springframework.batch.support.transaction.ResourcelessTransactionManager;
+import org.springframework.batch.test.JobLauncherTestUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.transaction.PlatformTransactionManager;
+
+@Configuration
+@EnableBatchProcessing
+public class TaskletsConfig {
+
+    @Autowired private JobBuilderFactory jobs;
+
+    @Autowired private StepBuilderFactory steps;
+
+    @Bean
+    public JobLauncherTestUtils jobLauncherTestUtils() {
+        return new JobLauncherTestUtils();
+    }
+
+    @Bean
+    public JobRepository jobRepository() throws Exception {
+        MapJobRepositoryFactoryBean factory = new MapJobRepositoryFactoryBean();
+        factory.setTransactionManager(transactionManager());
+        return (JobRepository) factory.getObject();
+    }
+
+    @Bean
+    public PlatformTransactionManager transactionManager() {
+        return new ResourcelessTransactionManager();
+    }
+
+    @Bean
+    public JobLauncher jobLauncher() throws Exception {
+        SimpleJobLauncher jobLauncher = new SimpleJobLauncher();
+        jobLauncher.setJobRepository(jobRepository());
+        return jobLauncher;
+    }
+
+    @Bean
+    public LinesReader linesReader() {
+        return new LinesReader();
+    }
+
+    @Bean
+    public LinesProcessor linesProcessor() {
+        return new LinesProcessor();
+    }
+
+    @Bean
+    public LinesWriter linesWriter() {
+        return new LinesWriter();
+    }
+
+    @Bean
+    protected Step readLines() {
+        return steps
+          .get("readLines")
+          .tasklet(linesReader())
+          .build();
+    }
+
+    @Bean
+    protected Step processLines() {
+        return steps
+          .get("processLines")
+          .tasklet(linesProcessor())
+          .build();
+    }
+
+    @Bean
+    protected Step writeLines() {
+        return steps
+          .get("writeLines")
+          .tasklet(linesWriter())
+          .build();
+    }
+
+    @Bean
+    public Job job() {
+        return jobs
+          .get("taskletsJob")
+          .start(readLines())
+          .next(processLines())
+          .next(writeLines())
+          .build();
+    }
+
+}