Hi guys ,
İ have a hibernate problem again, here's my problem ,
I have an exam schedule table in my database and i inserted 3 rows of
data in this table. But when i try to get the data from database using
hibernate, just the first data comes. i mean , if there are 3 rows in
the table , so the FIRST ROW returns 3 times!. please help to fix this
issue.
here's my code ;
SinavTakvim.java
***********************
//ExamSchedule domain class
package tr.edu.gsu.yds.shared.domain;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import net.sf.gilead.pojo.gwt.LightEntity;
//ExamSchedule Domain
@Entity
@Table(name = "sinavtakvim")
public class SinavTakvim extends LightEntity implements Serializable
{
private static final long serialVersionUID = 1L;
private Integer sinavTakvimId;
private String sinavTarih;
private String sinavSinif;
private String sinavNot;
@Id
@Column(name = "sinavTakvimId", nullable = false, length=10)
public Integer getSinavTakvimId()
{
return sinavTakvimId;
}
public void setSinavTakvimId( Integer sinavTakvimId )
{
this.sinavTakvimId = sinavTakvimId;
}
@Column(name = "sinavTarihi", nullable = false, length=20)
public String getSinavTarihi()
{
return sinavTarih;
}
public void setSinavTarihi( String sinavTarihi )
{
this.sinavTarih = sinavTarihi;
}
@Column(name = "sinavSinif", nullable = false, length=45)
public String getSinavSinif()
{
return sinavSinif;
}
public void setSinavSinif( String sinavSinif )
{
this.sinavSinif = sinavSinif;
}
@Column(name = "sinavNot", length=45)
public String getSinavNot()
{
return sinavNot;
}
public void setSinavNot( String sinavNot )
{
this.sinavNot = sinavNot;
}
}
-------------------------------------------------------------
SinavTakvimDao.java
************************************
package tr.edu.gsu.yds.server.dao;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import tr.edu.gsu.yds.server.util.GileadHibernateUtil;
import tr.edu.gsu.yds.shared.domain.SinavTakvim;
//ExamSchedule DAO
public class SinavTakvimDao
{
public List<SinavTakvim> getSinavTakvimList()
{
Session session = null;
Transaction transaction = null;
try
{
session =
GileadHibernateUtil.getSessionFactory().openSession();
transaction = session.beginTransaction();
List<SinavTakvim> sinavTakvimList =
session.createQuery("from
SinavTakvim").list();
transaction.commit();
return sinavTakvimList;
}
catch ( RuntimeException e )
{
transaction.rollback();
throw e;
}
finally
{
if ( session != null )
{
session.close();
}
}
}
}
-------------------------------------------------------------
Here's i get the data from database and put the data into a celltable
*****************************************
package tr.edu.gsu.yds.client.controller.ogrenci;
import java.util.List;
import tr.edu.gsu.yds.client.remote.YdsRemoteService;
import tr.edu.gsu.yds.client.remote.YdsRemoteServiceAsync;
import
tr.edu.gsu.yds.client.view.ogrenci.sinavislemleri.SinavTarihiGoruntuleme;
import tr.edu.gsu.yds.shared.domain.SinavTakvim;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
public class OgrenciSinavTarihiGoruntulemeController
{
private YdsRemoteServiceAsync ydsRemoteServiceAsync =
GWT.create( YdsRemoteService.class );
private SinavTarihiGoruntuleme ogrenciSinavTarihiGoruntulemeSayfasi;
public
OgrenciSinavTarihiGoruntulemeController( SinavTarihiGoruntuleme
ogrenciSinavTarihiGoruntulemeSayfasi )
{
this.ogrenciSinavTarihiGoruntulemeSayfasi =
ogrenciSinavTarihiGoruntulemeSayfasi;
}
public void send()
{
ydsRemoteServiceAsync.getSinavTakvimList( new
AsyncCallback<List<SinavTakvim>>()
{
public void onFailure( Throwable caught
)
{
Window.alert("Failure
Error");
}
//Just Here , result returns
the "first row" 3 times , instead of all the 3 different rows.
public void onSuccess(
List<SinavTakvim> result )
{
if( result != null )
{
//Put the data
in to a celltable
ogrenciSinavTarihiGoruntulemeSayfasi.getSinavTakvimCell().refresh( result );
}
else
{
Window.alert( " No exam
found! " );
}
}
} );
ogrenciSinavTarihiGoruntulemeSayfasi.getOkeyButton().addClickHandler( new
ClickHandler()
{
@Override
public void onClick( ClickEvent event )
{
String date =
ogrenciSinavTarihiGoruntulemeSayfasi.getSinavTarihWidget().getSelectedDate().toString();
Window.alert( date );
}
} );
}
}
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