//$Id$
package org.jboss.seam.example.jpa;
import java.io.Serializable;
import java.util.List;
import javax.persistence.EntityManager;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.Factory;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.annotations.datamodel.DataModel;
@Name("hotelSearch")
@Scope(ScopeType.SESSION)
public class HotelSearchingAction implements Serializable
{
@In
private EntityManager em;
private String searchString;
private int pageSize = 10;
private int page;
@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();
}
@Factory(value="pattern", scope=ScopeType.EVENT)
public String getSearchPattern()
{
return searchString==null ?
"%" : '%' + searchString.toLowerCase().replace('*', '%') + '%';
}
public boolean isNextPageAvailable()
{
return hotels!=null && hotels.size()==pageSize;
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public String getSearchString()
{
return searchString;
}
public void setSearchString(String searchString)
{
this.searchString = searchString;
}
}