lab03

Lab 03 - bean lifecycle

Topics

• How to use more compact XML configuration syntax with p and c namespaces.

• How to implement your own bean lifecycle behaviours with annotation configuration utilizing @PostConstruct, @PreDestroy.

• How to modify Spring bean definition at runtime with BeanFactoryPostProcessor such as PropertySourcesPlaceholderConfigurer via <context:property-placeholder />.

• How to apply custom custom configuration behaviours to Spring beans with @Required utilizing a BeanPostProcessor such as RequiredAnnotationBeanPostProcessor.

Instructions

1. Enhance JdbcMerchantRepository with lifecycle behaviours.

2. Use JdbcMerchantRepositoryTest unit test to verify proper implementation.

3. Correct datasource-testcontext.xml to make the PaybackBookKeeperModuleTest pass.

4. Configure a resolver in datasource-testcontext.xml that will replace placeholders in bean definitions with defined properties values.

5. See how to use @Required by following instructions is application-context.xml.

Back to index