Update for Spring Batch v6

pom.xml

@@ -61,7 +61,7 @@
     <java.test.version>17</java.test.version>
     <java.test.release.version>17</java.test.release.version>
     <junit.jupiter.version>6.0.1</junit.jupiter.version>
-    <spring.batch.version>5.2.4</spring.batch.version>
+    <spring.batch.version>6.0.0</spring.batch.version>
 
     <checkstyle.config>checkstyle-override.xml</checkstyle.config>
 
@@ -142,7 +142,7 @@
     <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis-spring</artifactId>
-      <version>3.0.5</version>
+      <version>4.0.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>

src/test/java/examples/springbatch/bulkinsert/BulkInsertConfiguration.java

@@ -21,21 +21,26 @@
 
 import javax.sql.DataSource;
 
+import java.util.Objects;
+
+import examples.springbatch.common.PersonRecord;
+import examples.springbatch.mapper.PersonDynamicSqlSupport;
+import examples.springbatch.mapper.PersonMapper;
 import org.apache.ibatis.session.SqlSessionFactory;
 import org.mybatis.dynamic.sql.insert.InsertDSL;
 import org.mybatis.dynamic.sql.render.RenderingStrategies;
 import org.mybatis.spring.SqlSessionFactoryBean;
 import org.mybatis.spring.annotation.MapperScan;
 import org.mybatis.spring.batch.MyBatisBatchItemWriter;
-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.job.Job;
 import org.springframework.batch.core.job.builder.JobBuilder;
-import org.springframework.batch.core.launch.support.RunIdIncrementer;
+import org.springframework.batch.core.job.parameters.RunIdIncrementer;
 import org.springframework.batch.core.repository.JobRepository;
+import org.springframework.batch.core.step.Step;
 import org.springframework.batch.core.step.builder.StepBuilder;
-import org.springframework.batch.item.ItemProcessor;
-import org.springframework.batch.item.ItemWriter;
+import org.springframework.batch.infrastructure.item.ItemProcessor;
+import org.springframework.batch.infrastructure.item.ItemWriter;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
@@ -45,10 +50,6 @@
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
 import org.springframework.transaction.PlatformTransactionManager;
 
-import examples.springbatch.common.PersonRecord;
-import examples.springbatch.mapper.PersonDynamicSqlSupport;
-import examples.springbatch.mapper.PersonMapper;
-
 @EnableBatchProcessing
 @Configuration
 @ComponentScan("examples.springbatch.bulkinsert")
@@ -59,9 +60,6 @@ public class BulkInsertConfiguration {
     @Autowired
     private JobRepository jobRepository;
 
-    @Autowired
-    private PlatformTransactionManager transactionManager;
-
     @Bean
     public DataSource dataSource() {
         return new EmbeddedDatabaseBuilder()
@@ -76,7 +74,7 @@ public DataSource dataSource() {
     public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception {
         SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
         sessionFactory.setDataSource(dataSource);
-        return sessionFactory.getObject();
+        return Objects.requireNonNull(sessionFactory.getObject());
     }
 
     @Bean
@@ -104,7 +102,7 @@ public MyBatisBatchItemWriter<PersonRecord> writer(SqlSessionFactory sqlSessionF
     @Bean
     public Step step1(ItemProcessor<PersonRecord, PersonRecord> processor, ItemWriter<PersonRecord> writer) {
         return new StepBuilder("step1", jobRepository)
-                .<PersonRecord, PersonRecord>chunk(10, transactionManager)
+                .<PersonRecord, PersonRecord>chunk(10)
                 .reader(new TestRecordGenerator())
                 .processor(processor)
                 .writer(writer)

src/test/java/examples/springbatch/bulkinsert/SpringBatchBulkInsertTest.java

@@ -18,29 +18,28 @@
 import static examples.springbatch.mapper.PersonDynamicSqlSupport.*;
 import static org.assertj.core.api.Assertions.assertThat;
 
+import examples.springbatch.mapper.PersonMapper;
 import org.apache.ibatis.session.SqlSession;
 import org.apache.ibatis.session.SqlSessionFactory;
 import org.junit.jupiter.api.Test;
 import org.mybatis.dynamic.sql.render.RenderingStrategies;
 import org.mybatis.dynamic.sql.select.CountDSL;
 import org.mybatis.dynamic.sql.select.render.SelectStatementProvider;
 import org.springframework.batch.core.ExitStatus;
-import org.springframework.batch.core.JobExecution;
-import org.springframework.batch.core.StepExecution;
-import org.springframework.batch.item.ExecutionContext;
-import org.springframework.batch.test.JobLauncherTestUtils;
+import org.springframework.batch.core.job.JobExecution;
+import org.springframework.batch.core.step.StepExecution;
+import org.springframework.batch.infrastructure.item.ExecutionContext;
+import org.springframework.batch.test.JobOperatorTestUtils;
 import org.springframework.batch.test.context.SpringBatchTest;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 
-import examples.springbatch.mapper.PersonMapper;
-
 @SpringBatchTest
 @SpringJUnitConfig(classes = BulkInsertConfiguration.class)
 class SpringBatchBulkInsertTest {
 
     @Autowired
-    private JobLauncherTestUtils jobLauncherTestUtils;
+    private JobOperatorTestUtils jobOperatorTestUtils;
 
     @Autowired
     private SqlSessionFactory sqlSessionFactory;
@@ -50,7 +49,7 @@ void testThatRowsAreInserted() throws Exception {
         // starting condition
         assertThat(rowCount()).isZero();
 
-        JobExecution execution = jobLauncherTestUtils.launchJob();
+        JobExecution execution = jobOperatorTestUtils.startJob();
         assertThat(execution.getExitStatus()).isEqualTo(ExitStatus.COMPLETED);
         assertThat(numberOfRowsProcessed(execution)).isEqualTo(TestRecordGenerator.recordCount());
 

src/test/java/examples/springbatch/bulkinsert/TestRecordGenerator.java

@@ -15,25 +15,25 @@
  */
 package examples.springbatch.bulkinsert;
 
-import org.springframework.batch.item.ItemReader;
-
 import examples.springbatch.common.PersonRecord;
+import org.jspecify.annotations.Nullable;
+import org.springframework.batch.infrastructure.item.ItemReader;
 
 public class TestRecordGenerator implements ItemReader<PersonRecord> {
 
     private int index = 0;
 
     private static final PersonRecord[] testRecords = {
-            new PersonRecord("Fred", "Flintstone"),
-            new PersonRecord("Wilma", "Flintstone"),
-            new PersonRecord("Pebbles", "Flintstone"),
-            new PersonRecord("Barney", "Rubble"),
-            new PersonRecord("Betty", "Rubble"),
-            new PersonRecord("Bamm Bamm", "Rubble")
+            new PersonRecord(null, "Fred", "Flintstone"),
+            new PersonRecord(null, "Wilma", "Flintstone"),
+            new PersonRecord(null, "Pebbles", "Flintstone"),
+            new PersonRecord(null, "Barney", "Rubble"),
+            new PersonRecord(null, "Betty", "Rubble"),
+            new PersonRecord(null, "Bamm Bamm", "Rubble")
     };
 
     @Override
-    public PersonRecord read() {
+    public @Nullable PersonRecord read() {
         if (index < testRecords.length) {
             return (testRecords[index++]);
         } else {

src/test/java/examples/springbatch/bulkinsert/package-info.java

@@ -0,0 +1,19 @@
+/*
+ *    Copyright 2016-2025 the original author or authors.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+@NullMarked
+package examples.springbatch.bulkinsert;
+
+import org.jspecify.annotations.NullMarked;

src/test/java/examples/springbatch/common/PersonProcessor.java

@@ -15,12 +15,12 @@
  */
 package examples.springbatch.common;
 
-import org.springframework.batch.core.StepExecution;
 import org.springframework.batch.core.annotation.BeforeChunk;
 import org.springframework.batch.core.annotation.BeforeStep;
-import org.springframework.batch.core.scope.context.ChunkContext;
-import org.springframework.batch.item.ExecutionContext;
-import org.springframework.batch.item.ItemProcessor;
+import org.springframework.batch.core.step.StepExecution;
+import org.springframework.batch.infrastructure.item.Chunk;
+import org.springframework.batch.infrastructure.item.ExecutionContext;
+import org.springframework.batch.infrastructure.item.ItemProcessor;
 import org.springframework.stereotype.Component;
 
 @Component
@@ -32,11 +32,7 @@
     public PersonRecord process(PersonRecord person) {
         incrementRowCount();
 
-        PersonRecord transformed = new PersonRecord();
-        transformed.setId(person.getId());
-        transformed.setFirstName(person.getFirstName().toUpperCase());
-        transformed.setLastName(person.getLastName().toUpperCase());
-        return transformed;
+        return new PersonRecord(person.id(), person.firstName().toUpperCase(), person.lastName().toUpperCase());
     }
 
     @BeforeStep
@@ -45,7 +41,7 @@
     }
 
     @BeforeChunk
-    public void beforeChunk(ChunkContext chunkContext) {
+    public void beforeChunk(Chunk<PersonRecord> chunk) {
         incrementChunkCount();
     }
 

src/test/java/examples/springbatch/common/PersonRecord.java

@@ -15,41 +15,6 @@
  */
 package examples.springbatch.common;
 
-public class PersonRecord {
-    private Integer id;
-    private String firstName;
-    private String lastName;
+import org.jspecify.annotations.Nullable;
 
-    public PersonRecord() {
-        super();
-    }
-
-    public PersonRecord(String firstName, String lastName) {
-        this.firstName = firstName;
-        this.lastName = lastName;
-    }
-
-    public Integer getId() {
-        return id;
-    }
-
-    public void setId(Integer id) {
-        this.id = id;
-    }
-
-    public String getFirstName() {
-        return firstName;
-    }
-
-    public void setFirstName(String firstName) {
-        this.firstName = firstName;
-    }
-
-    public String getLastName() {
-        return lastName;
-    }
-
-    public void setLastName(String lastName) {
-        this.lastName = lastName;
-    }
-}
+public record PersonRecord(@Nullable Integer id, String firstName, String lastName) {}

src/test/java/examples/springbatch/common/UpdateStatementConvertor.java

@@ -18,6 +18,8 @@
 import static examples.springbatch.mapper.PersonDynamicSqlSupport.*;
 import static org.mybatis.dynamic.sql.SqlBuilder.isEqualTo;
 
+import java.util.Objects;
+
 import org.mybatis.dynamic.sql.render.RenderingStrategies;
 import org.mybatis.dynamic.sql.update.UpdateDSL;
 import org.mybatis.dynamic.sql.update.render.UpdateStatementProvider;
@@ -30,9 +32,9 @@ public class UpdateStatementConvertor implements Converter<PersonRecord, UpdateS
     @Override
     public UpdateStatementProvider convert(PersonRecord source) {
         return UpdateDSL.update(person)
-                .set(firstName).equalTo(source::getFirstName)
-                .set(lastName).equalTo(source::getLastName)
-                .where(id, isEqualTo(source::getId))
+                .set(firstName).equalTo(source::firstName)
+                .set(lastName).equalTo(source::lastName)
+                .where(id, isEqualTo(Objects.requireNonNull(source.id())))
                 .build()
                 .render(RenderingStrategies.MYBATIS3);
     }

src/test/java/examples/springbatch/common/package-info.java

@@ -0,0 +1,19 @@
+/*
+ *    Copyright 2016-2025 the original author or authors.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+@NullMarked
+package examples.springbatch.common;
+
+import org.jspecify.annotations.NullMarked;

src/test/java/examples/springbatch/cursor/CursorReaderBatchConfiguration.java

@@ -22,6 +22,10 @@
 
 import javax.sql.DataSource;
 
+import java.util.Objects;
+
+import examples.springbatch.common.PersonRecord;
+import examples.springbatch.mapper.PersonMapper;
 import org.apache.ibatis.session.SqlSessionFactory;
 import org.mybatis.dynamic.sql.render.RenderingStrategies;
 import org.mybatis.dynamic.sql.select.render.SelectStatementProvider;
@@ -31,16 +35,16 @@
 import org.mybatis.spring.annotation.MapperScan;
 import org.mybatis.spring.batch.MyBatisBatchItemWriter;
 import org.mybatis.spring.batch.MyBatisCursorItemReader;
-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.job.Job;
 import org.springframework.batch.core.job.builder.JobBuilder;
-import org.springframework.batch.core.launch.support.RunIdIncrementer;
+import org.springframework.batch.core.job.parameters.RunIdIncrementer;
 import org.springframework.batch.core.repository.JobRepository;
+import org.springframework.batch.core.step.Step;
 import org.springframework.batch.core.step.builder.StepBuilder;
-import org.springframework.batch.item.ItemProcessor;
-import org.springframework.batch.item.ItemReader;
-import org.springframework.batch.item.ItemWriter;
+import org.springframework.batch.infrastructure.item.ItemProcessor;
+import org.springframework.batch.infrastructure.item.ItemReader;
+import org.springframework.batch.infrastructure.item.ItemWriter;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
@@ -51,9 +55,6 @@
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
 import org.springframework.transaction.PlatformTransactionManager;
 
-import examples.springbatch.common.PersonRecord;
-import examples.springbatch.mapper.PersonMapper;
-
 @EnableBatchProcessing
 @Configuration
 @ComponentScan("examples.springbatch.common")
@@ -63,9 +64,6 @@ public class CursorReaderBatchConfiguration {
     @Autowired
     private JobRepository jobRepository;
 
-    @Autowired
-    private PlatformTransactionManager transactionManager;
-
     @Bean
     public DataSource dataSource() {
         return new EmbeddedDatabaseBuilder()
@@ -81,7 +79,7 @@ public DataSource dataSource() {
     public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception {
         SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
         sessionFactory.setDataSource(dataSource);
-        return sessionFactory.getObject();
+        return Objects.requireNonNull(sessionFactory.getObject());
     }
 
     @Bean
@@ -117,7 +115,7 @@ public MyBatisBatchItemWriter<PersonRecord> writer(SqlSessionFactory sqlSessionF
     @Bean
     public Step step1(ItemReader<PersonRecord> reader, ItemProcessor<PersonRecord, PersonRecord> processor, ItemWriter<PersonRecord> writer) {
         return new StepBuilder("step1", jobRepository)
-                .<PersonRecord, PersonRecord>chunk(10, transactionManager)
+                .<PersonRecord, PersonRecord>chunk(10)
                 .reader(reader)
                 .processor(processor)
                 .writer(writer)