Implementing a CRUD application

This section describes two different ways for implementing a CRUD application that is used to manage contact information. First, we will learn how we can implement a CRUD application by using the default serializer of the RedisTemplate class. Second, we will learn how we can use value serializers and implement a CRUD application that stores our data in JSON format.

Both of these applications will also share the same domain model. This domain model consists of two classes: Contact and Address. The information content of these classes has already been described in Chapter 2, Getting Started with Spring Data JPA. However, we have made the following changes to these classes:

• We removed the JPA specific annotations from them

• We use these classes in our web layer as form objects and they no longer have any other methods than getters and setters

The domain model is not the only thing that is shared by these examples. They also share the interface that declares the service...