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HHH-17039 fix Session vs EntityManager confusion in doc code examples

This commit is contained in:
Gavin King 2023-08-07 12:44:05 +02:00
parent 36fc27dd4a
commit ffbced83a9
1 changed files with 5 additions and 5 deletions
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10
documentation/src/main/asciidoc/introduction/Introduction.adoc
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@ -467,7 +467,7 @@ public class BookResource {
@GET @Path("books/{titlePattern}/{page:\\d+}") @GET @Path("books/{titlePattern}/{page:\\d+}")
public List<Book> findBooks(String titlePattern, int page) { public List<Book> findBooks(String titlePattern, int page) {
var books = sessionFactory.fromTransaction(session -> { var books = sessionFactory.fromTransaction(session -> {
return entityManager.createQuery("from Book where title like ?1 order by title", Book.class) return session.createSelectionQuery("from Book where title like ?1 order by title", Book.class)
.setParameter(1, titlePattern) .setParameter(1, titlePattern)
.setPage(Page.page(RESULTS_PER_PAGE, page)) .setPage(Page.page(RESULTS_PER_PAGE, page))
.getResultList(); .getResultList();
@ -485,9 +485,9 @@ Let's hit the code with our favorite thing, the Extract Method refactoring. We o
[source,java] [source,java]
---- ----
static List<Book> findBooksByTitleWithPagination(EntityManager entityManager, static List<Book> findBooksByTitleWithPagination(Session session,
String titlePattern, Page page) { String titlePattern, Page page) {
return entityManager.createQuery("from Book where title like ?1 order by title", Book.class) return session.createSelectionQuery("from Book where title like ?1 order by title", Book.class)
.setParameter(1, titlePattern) .setParameter(1, titlePattern)
.setPage(page) .setPage(page)
.getResultList(); .getResultList();
@ -509,9 +509,9 @@ We need a place to put the annotation, so lets move our query method to a new cl
query="from Book where title like :title order by title") query="from Book where title like :title order by title")
class Queries { class Queries {
static List<Book> findBooksByTitleWithPagination(EntityManager entityManager, static List<Book> findBooksByTitleWithPagination(Session session,
String titlePattern, Page page) { String titlePattern, Page page) {
return entityManager.createNamedQuery("findBooksByTitle", Book.class) return session.createNamedQuery("findBooksByTitle", Book.class)
.setParameter("title", titlePattern) .setParameter("title", titlePattern)
.setPage(page) .setPage(page)
.getResultList(); .getResultList();