12Implementing Enumeration Attributes in a Java EE Web App
In this chapter, we show how to build a back-end web application with enumeration attributes, using Java with JPA and JSF. In addition to the topic of enumeration attributes, we also show how to deal with multi-valued attributes.
12.1New Issues
Compared to the Validation App discussed in Chapter 9 we have to deal with the following new issues:
- Enumeration datatypes have to be defined in a suitable way as part of the model code.
- Enumeration attributes have to be defined in model classes and handled in the user interface with the help of suitable choice widgets.
In terms of coding, the new issues are:
1.In the model code we have to take care of
a.enumerations to be defined in the ...
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