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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 37 | PointedEar | 1 | /** |
| 2 | * |
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| 3 | */ |
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| 4 | package ch.ffhs.webE.dao; |
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| 5 | |||
| 6 | import java.util.ArrayList; |
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| 7 | import java.util.List; |
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| 8 | |||
| 9 | import org.hibernate.Session; |
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| 10 | import org.hibernate.Transaction; |
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| 11 | |||
| 12 | import ch.ffhs.webE.domain.History; |
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| 13 | |||
| 14 | import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget; |
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| 15 | import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget; |
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| 16 | |||
| 17 | /** |
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| 18 | * @author pelinux |
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| 19 | * |
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| 20 | */ |
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| 21 | public class HistoryDAO |
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| 22 | { |
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| 23 | /** |
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| 24 | * Database session |
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| 25 | */ |
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| 26 | @SessionTarget |
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| 27 | Session session; |
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| 28 | |||
| 29 | /** |
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| 30 | * Database transaction |
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| 31 | */ |
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| 32 | @TransactionTarget |
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| 33 | Transaction transaction; |
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| 34 | |||
| 35 | /** |
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| 36 | * Executes the query to save the history record |
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| 37 | * |
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| 38 | * @param history |
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| 39 | * Domain object to be saved |
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| 40 | * @return <code>true</code> if successful, <code>false</code> otherwise |
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| 41 | */ |
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| 42 | public boolean saveOrUpdate(History history) |
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| 43 | { |
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| 44 | try |
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| 45 | { |
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| 46 | history.setId(history.getId()); |
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| 47 | this.session.saveOrUpdate(history); |
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| 48 | return true; |
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| 49 | } |
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| 50 | catch (Exception e) |
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| 51 | { |
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| 52 | this.transaction.rollback(); |
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| 53 | e.printStackTrace(); |
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| 54 | return false; |
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| 55 | } |
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| 56 | } |
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| 57 | |||
| 58 | /** |
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| 59 | * Returns a list of all terms |
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| 60 | * |
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| 61 | * @return an ArrayList with all the terms - in case of a problem, an empty |
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| 62 | * list is returned |
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| 63 | */ |
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| 64 | @SuppressWarnings("unchecked") |
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| 65 | public List<History> getList() |
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| 66 | { |
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| 67 | List<History> history = null; |
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| 68 | try |
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| 69 | { |
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| 70 | history = this.session.createQuery("from History").list(); //$NON-NLS-1$ |
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| 71 | } |
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| 72 | catch (Exception e) |
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| 73 | { |
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| 74 | e.printStackTrace(); |
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| 75 | } |
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| 76 | |||
| 77 | /* |
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| 78 | * If no term was checked, return an empty list to mitigate null pointer |
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| 79 | * exceptions |
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| 80 | */ |
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| 81 | if (history == null) |
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| 82 | { |
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| 83 | history = new ArrayList<History>(); |
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| 84 | } |
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| 85 | |||
| 86 | return history; |
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| 87 | } |
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| 88 | } |