| 1,16 → 1,130 |
|---|
| 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.RelationshipType; |
| |
| public interface RelationshipTypeDAO { |
| import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget; |
| import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget; |
| |
| List<RelationshipType> getRelTypes(); |
| /** |
| * Data Access Object class for {@link RelationshipType}s |
| * |
| * @author Thomas Lahn |
| */ |
| public class RelationshipTypeDAO |
| { |
| |
| boolean deleteRelationshipType(int relTypeID); |
| |
| RelationshipType getRelTypeById(int relTypeID); |
| /** |
| * Hibernate session target |
| */ |
| @SessionTarget |
| Session session; |
| |
| boolean saveOrUpdateRelType(RelationshipType relType); |
| /** |
| * Hibernate transaction target |
| */ |
| @TransactionTarget |
| Transaction transaction; |
| |
| /** |
| * Gets a list of all the relationshipTypes in the database. |
| * |
| * @return List of all the users. In case of a problem, an empty list is |
| * returned. |
| */ |
| @SuppressWarnings("unchecked") |
| public List<RelationshipType> getList() |
| { |
| |
| List<RelationshipType> relType = null; |
| |
| try |
| { |
| relType = this.session.createQuery("from RelationshipType").list(); //$NON-NLS-1$ |
| } |
| catch (Exception e) |
| { |
| // TODO: Logging |
| } |
| |
| if (relType == null) |
| { |
| relType = new ArrayList<RelationshipType>(); |
| } |
| |
| return relType; |
| } |
| |
| /** |
| * Saves or updates a relationship type |
| * |
| * @param relType |
| * A filled domain object |
| * @return Boolean indicating success or error in saving the relationshipType |
| */ |
| public boolean saveOrUpdate(RelationshipType relType) |
| { |
| try |
| { |
| this.session.saveOrUpdate(relType); |
| return true; |
| } |
| catch (Exception e) |
| { |
| this.transaction.rollback(); |
| return false; |
| // TODO: Logging |
| } |
| } |
| |
| /** |
| * Delete a relationship type |
| * |
| * @param relTypeId |
| * Relationship type ID |
| * @return boolean indicating success or error in the query execution |
| */ |
| public boolean delete(int relTypeId) |
| { |
| try |
| { |
| RelationshipType relType = (RelationshipType) this.session.get( |
| RelationshipType.class, relTypeId); |
| this.session.delete(relType); |
| return true; |
| } |
| catch (Exception e) |
| { |
| this.transaction.rollback(); |
| // TODO: Logging |
| return false; |
| } |
| } |
| |
| /** |
| * Used to get a relationship type by ID |
| * |
| * @param relTypeID |
| * @return |
| */ |
| public RelationshipType getById(int relTypeID) |
| { |
| RelationshipType relType = null; |
| try |
| { |
| relType = (RelationshipType) this.session.get(RelationshipType.class, |
| relTypeID); |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(); |
| // TODO: Logging |
| } |
| return relType; |
| } |
| } |