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/**
*
*/
package ch.ffhs.webE.dao;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import ch.ffhs.webE.domain.History;
import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget;
import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget;
/**
* @author pelinux
*
*/
public class HistoryDAO
{
/**
* Database session
*/
@SessionTarget
Session session
;
/**
* Database transaction
*/
@TransactionTarget
Transaction transaction
;
/**
* Executes the query to save the history record
*
* @param history
* Domain object to be saved
* @return <code>true</code> if successful, <code>false</code> otherwise
*/
public boolean saveOrUpdate
(History history
)
{
try
{
history.
setId(history.
getId());
this.
session.
saveOrUpdate(history
);
return true;
}
catch (Exception e
)
{
this.
transaction.
rollback();
e.
printStackTrace();
return false;
}
}
/**
* Returns a list of all terms
*
* @return an ArrayList with all the terms - in case of a problem, an empty
* list is returned
*/
@
SuppressWarnings("unchecked")
public List<History
> getList
()
{
List<History
> history =
null;
try
{
history =
this.
session.
createQuery("from History").
list(); //$NON-NLS-1$
}
catch (Exception e
)
{
e.
printStackTrace();
}
/*
* If no term was checked, return an empty list to mitigate null pointer
* exceptions
*/
if (history ==
null)
{
history =
new ArrayList<History
>();
}
return history
;
}
}