| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.reference.impl; |
| |
| import net.sf.taverna.t2.reference.DaoException; |
| import net.sf.taverna.t2.reference.IdentifiedList; |
| import net.sf.taverna.t2.reference.ListDao; |
| import net.sf.taverna.t2.reference.T2Reference; |
| import net.sf.taverna.t2.reference.T2ReferenceType; |
| import net.sf.taverna.t2.reference.annotations.GetIdentifiedOperation; |
| import net.sf.taverna.t2.reference.annotations.PutIdentifiedOperation; |
| |
| import org.springframework.orm.hibernate3.support.HibernateDaoSupport; |
| |
| /** |
| * An implementation of ListDao based on Spring's HibernateDaoSupport. To use |
| * this in spring inject a property 'sessionFactory' with either a |
| * {@link org.springframework.orm.hibernate3.LocalSessionFactoryBean LocalSessionFactoryBean} |
| * or the equivalent class from the T2Platform module to add SPI based |
| * implementation discovery and mapping. To use outside of Spring ensure you |
| * call the setSessionFactory(..) method before using this (but really, use it |
| * from Spring, so much easier). |
| * |
| * @author Tom Oinn |
| * |
| */ |
| public class HibernateListDao extends HibernateDaoSupport implements ListDao { |
| |
| /** |
| * Fetch a t2reference list by id |
| * |
| * @param ref |
| * the T2Reference to fetch |
| * @return a retrieved identified list of T2 references |
| * @throws DaoException |
| * if the supplied reference is of the wrong type or if |
| * something goes wrong fetching the data or connecting to the |
| * database |
| */ |
| @GetIdentifiedOperation |
| public IdentifiedList<T2Reference> get(T2Reference ref) throws DaoException { |
| if (ref == null) { |
| throw new DaoException( |
| "Supplied reference is null, can't retrieve."); |
| } else if (ref.getReferenceType() |
| .equals(T2ReferenceType.IdentifiedList) == false) { |
| throw new DaoException( |
| "This dao can only retrieve reference of type T2Reference.IdentifiedList"); |
| } |
| if (ref instanceof T2ReferenceImpl) { |
| try { |
| return (T2ReferenceListImpl) getHibernateTemplate().get( |
| T2ReferenceListImpl.class, |
| ((T2ReferenceImpl) ref).getCompactForm()); |
| } catch (Exception ex) { |
| throw new DaoException(ex); |
| } |
| } else { |
| throw new DaoException( |
| "Reference must be an instance of T2ReferenceImpl"); |
| } |
| } |
| |
| @PutIdentifiedOperation |
| public void store(IdentifiedList<T2Reference> theList) throws DaoException { |
| if (theList.getId() == null) { |
| throw new DaoException("Supplied list set has a null ID, allocate " |
| + "an ID before calling the store method in the dao."); |
| } else if (theList.getId().getReferenceType().equals( |
| T2ReferenceType.IdentifiedList) == false) { |
| throw new DaoException("Strangely the list ID doesn't have type " |
| + "T2ReferenceType.IdentifiedList, something has probably " |
| + "gone badly wrong somewhere earlier!"); |
| } |
| if (theList instanceof T2ReferenceListImpl) { |
| try { |
| getHibernateTemplate().save(theList); |
| } catch (Exception ex) { |
| throw new DaoException(ex); |
| } |
| } else { |
| throw new DaoException( |
| "Supplied identifier list not an instance of T2ReferenceList"); |
| } |
| } |
| } |