Software Architecture in Java: Design & Development/

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Develop the Data Access Tier

Develop the Data Access Tier

The data access tier is the second step in the process of developing a service.

We'll cover the following...

Now, we will look at the data access tier.

“Find all records” operation

We will jump in with the test case for the “find all records” method.

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@RunWith( SpringJUnit4ClassRunner.class )

@ContextConfiguration( locations = { "classpath:context.xml" } )

@TransactionConfiguration( defaultRollback = true )

@Transactional

public class CategoryDaoImplTest {

	@Autowired

	private CategoryDao dao ;

	@Test

	public void testGetAll() {

		Assert.assertEquals(0L, dao.getAll().size());

	}

}

We will then write the rival data access operation for the test above. The Hibernate 4 Session.createQuery method is used with SQL to retrieve all the ...