[seam-commits] Seam SVN: r7944 - trunk/examples/booking/src/org/jboss/seam/example/booking.
Author: norman.richards(a)jboss.com
Date: 2008-04-14 13:33:28 -0400 (Mon, 14 Apr 2008)
New Revision: 7944
Modified:
trunk/examples/booking/src/org/jboss/seam/example/booking/HotelSearchingAction.java
Log:
JBSEAM-2821
Modified:
trunk/examples/booking/src/org/jboss/seam/example/booking/HotelSearchingAction.java
===================================================================
---
trunk/examples/booking/src/org/jboss/seam/example/booking/HotelSearchingAction.java 2008-04-14
17:17:50 UTC (rev 7943)
+++
trunk/examples/booking/src/org/jboss/seam/example/booking/HotelSearchingAction.java 2008-04-14
17:33:28 UTC (rev 7944)
@@ -21,41 +21,48 @@
@Restrict("#{identity.loggedIn}")
public class HotelSearchingAction implements HotelSearching
{
+ @PersistenceContext
+ private EntityManager em;
+
+ private String searchString;
+ private int pageSize = 10;
+ private int page;
+ private boolean nextPageAvailable;
- @PersistenceContext
- private EntityManager em;
+ @DataModel
+ private List<Hotel> hotels;
- private String searchString;
- private int pageSize = 10;
- private int page;
+ public void find()
+ {
+ page = 0;
+ queryHotels();
+ }
+
+ public void nextPage()
+ {
+ page++;
+ queryHotels();
+ }
+
+ private void queryHotels() {
+ List<Hotel> results = em.createQuery("select h from Hotel h where
lower(h.name) like #{pattern} or lower(h.city) like #{pattern} or lower(h.zip) like
#{pattern} or lower(h.address) like #{pattern}")
+ .setMaxResults(pageSize+1)
+ .setFirstResult(page * pageSize)
+ .getResultList();
+
+ nextPageAvailable = results.size() > pageSize;
+ if (nextPageAvailable) {
+ hotels = results.subList(0,pageSize);
+ } else {
+ hotels = results;
+ }
+ }
+
+ public boolean isNextPageAvailable()
+ {
+ return nextPageAvailable;
+ }
- @DataModel
- private List<Hotel> hotels;
-
- public void find()
- {
- page = 0;
- queryHotels();
- }
- public void nextPage()
- {
- page++;
- queryHotels();
- }
-
- private void queryHotels()
- {
- hotels = em.createQuery("select h from Hotel h where lower(h.name) like
#{pattern} or lower(h.city) like #{pattern} or lower(h.zip) like #{pattern} or
lower(h.address) like #{pattern}")
- .setMaxResults(pageSize)
- .setFirstResult( page * pageSize )
- .getResultList();
- }
-
- public boolean isNextPageAvailable()
- {
- return hotels!=null && hotels.size()==pageSize;
- }
-
public int getPageSize() {
return pageSize;
}
@@ -83,4 +90,4 @@
@Remove
public void destroy() {}
-}
\ No newline at end of file
+}