[[transactionAttributes]]
= Transaction Attributes

You can use transaction attributes to control the `isolation`, `propagation`, and
`timeout` settings. You can find more information on setting transaction attributes in
the
https://docs.spring.io/spring/docs/current/spring-framework-reference/data-access.html#transaction[Spring
core documentation].

[tabs]
====
Java::
+
The following example sets the `isolation`, `propagation`, and `timeout` transaction
attributes in Java:
+
.Java Configuration
[source, java]
----
@Bean
public Step step1(JobRepository jobRepository, PlatformTransactionManager transactionManager) {
	DefaultTransactionAttribute attribute = new DefaultTransactionAttribute();
	attribute.setPropagationBehavior(Propagation.REQUIRED.value());
	attribute.setIsolationLevel(Isolation.DEFAULT.value());
	attribute.setTimeout(30);

	return new StepBuilder("step1", jobRepository)
				.<String, String>chunk(2, transactionManager)
				.reader(itemReader())
				.writer(itemWriter())
				.transactionAttribute(attribute)
				.build();
}
----

XML::
+
The following example sets the `isolation`, `propagation`, and `timeout` transaction
attributes in XML:
+
.XML Configuration
[source, xml]
----
<step id="step1">
    <tasklet>
        <chunk reader="itemReader" writer="itemWriter" commit-interval="2"/>
        <transaction-attributes isolation="DEFAULT"
                                propagation="REQUIRED"
                                timeout="30"/>
    </tasklet>
</step>
----

====