...
| Code Block |
|---|
|
public class Book {
private int id;
private OwnerInfo ownerinfo;
//setters and getters omitted for brewitybrevity
}
@Embeddable
public class OwnerInfo {
private Address address;
private Name name;
//setters and getters omitted for brewitybrevity
}
@Embeddable
public class Name {
private String name;
//setters and getters omitted for brewitybrevity
}
|
and the following map:
| Code Block |
|---|
|
<map>
<!-- 'oname' is alias for the actual nested bean property -->
<entry key="oname" value="ownerinfo.name.name"/>
</map>
|
...
| Code Block |
|---|
|
public class Name {
private String name;
public Name() {
}
public Name(String name) {
this.name = name;
}
//setters and getters omitted for brewitybrevity
}
|
the mapping between "oname" and "ownerinfo.name" will work too.
...
| Code Block |
|---|
|
public class Book {
private String title;
private Date date;
private OwnerInfo ownerinfo;
//setters and getters omitted for brewitybrevity
}
@Embeddable
public class OwnerInfo {
private Address address;
private Name name;
//setters and getters omitted for brewitybrevity
}
@Embeddable
public class Name {
private String name;
//setters and getters omitted for brewitybrevity
}
@Embeddable
public class Address {
private String street;
//setters and getters omitted for brewitybrevity
}
|
the following code can be used:
...
| Code Block |
|---|
|
public static class BookInfo {
private int id;
private String title;
public BookInfo() {
}
public BookInfo(Integer id, String title) {
this.id = id;
this.title = title;
}
//setters and getters omitted for brewitybrevity
}
// actual application code:
SearchCondition<Book> sc = searchContext.getCondition(Book.class);
JPACriteriaQueryVisitor<Book, BookInfo> visitor =
new JPACriteriaQueryVisitor<Book, BookInfo>(entityManager, Book.class, BookInfo.class);
sc.accept(visitor);
List<SingularAttribute<Book, ?>> selections = new LinkedList<SingularAttribute<Book, ?>>();
// Book_ class is generated by JPA2 compiler
selections.add(Book_.id);
selections.add(Book_.title);
visitor.selectConstruct(selections);
TypedQuery<BookInfo> query = visitor.getQuery();
List<BookInfo> bookInfo = typedQuery.getResultList();
return bookInfo;
|
...
