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 +}