In this recipe we look at how Spring Roo simplifies the creation of JPA entities using the
field commands. In this recipe we'll create a
Flight JPA entity which has a composite primary key. Refer to the Creating a many-to-one relationship between entities recipe of Chapter 3, Advanced JPA Support in Spring Roo to see how to create persistent entities with surrogate keys.
The following figure shows the attributes of the
Flight entity and its composite primary key (
Exit the Roo shell and delete the contents of the
ch02_jpa_setup.roo script. ...