Polish "Add BatchTransactionManager annotation"

See gh-39473

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/BatchTransactionManager.java

@@ -27,10 +27,9 @@ import org.springframework.context.annotation.Primary;
 import org.springframework.transaction.PlatformTransactionManager;
 
 /**
- * Qualifier annotation for a {@link PlatformTransactionManager
+ * Qualifier annotation for a {@link PlatformTransactionManager} to be injected into Batch
- * PlatformTransactionManager} to be injected into Batch auto-configuration. Can be used
+ * auto-configuration. Can be used on a secondary {@link PlatformTransactionManager}, if
- * on a secondary {@link PlatformTransactionManager PlatformTransactionManager}, if there
+ * there is another one marked as {@link Primary @Primary}.
- * is another one marked as {@link Primary @Primary}.
  *
  * @author Lasse Wulff
  * @since 3.3.0

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfigurationTests.java

@@ -80,13 +80,16 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
 import org.springframework.core.annotation.Order;
 import org.springframework.core.convert.support.ConfigurableConversionService;
-import org.springframework.integration.transaction.PseudoTransactionManager;
 import org.springframework.jdbc.BadSqlGrammarException;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.datasource.DataSourceTransactionManager;
 import org.springframework.jdbc.datasource.init.DatabasePopulator;
 import org.springframework.orm.jpa.JpaTransactionManager;
 import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.TransactionDefinition;
+import org.springframework.transaction.TransactionException;
+import org.springframework.transaction.support.AbstractPlatformTransactionManager;
+import org.springframework.transaction.support.DefaultTransactionStatus;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
@@ -544,13 +547,34 @@ class BatchAutoConfigurationTests {
 		@Bean
 		@Primary
 		public PlatformTransactionManager normalTransactionManager() {
-			return new PseudoTransactionManager();
+			return new TestTransactionManager();
 		}
 
 		@BatchTransactionManager
 		@Bean
 		public PlatformTransactionManager batchTransactionManager() {
-			return new PseudoTransactionManager();
+			return new TestTransactionManager();
+		}
+
+	}
+
+	static class TestTransactionManager extends AbstractPlatformTransactionManager {
+
+		@Override
+		protected Object doGetTransaction() throws TransactionException {
+			return null;
+		}
+
+		@Override
+		protected void doBegin(Object transaction, TransactionDefinition definition) throws TransactionException {
+		}
+
+		@Override
+		protected void doCommit(DefaultTransactionStatus status) throws TransactionException {
+		}
+
+		@Override
+		protected void doRollback(DefaultTransactionStatus status) throws TransactionException {
 		}
 
 	}

spring-boot-project/spring-boot-docs/src/docs/asciidoc/howto/batch.adoc

@@ -21,8 +21,7 @@ For more info about Spring Batch, see the {spring-batch}[Spring Batch project pa
 
 [[howto.batch.specifying-a-transaction-manager]]
 === Specifying a Batch Transaction Manager
-Similar to <<howto.batch.specifying-a-data-source>> you can also define a `PlatformTransactionManager`
+Similar to <<howto.batch.specifying-a-data-source>>, you can define a `PlatformTransactionManager` for use in the batch processing by marking it as `@BatchTransactionManager`.
-for use in the batch processing by marking it as `@BatchTransactionManager`.
 If you do so and want two transaction managers, remember to mark the other one as `@Primary`.