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Java > Open Source Codes > org > contineo > core > config > dao > SearchSettingsDAO


1 package org.contineo.core.config.dao;
2
3 import org.apache.log4j.Level;
4 import org.apache.log4j.Logger;
5 import org.apache.ojb.broker.PBKey;
6 import org.apache.ojb.broker.PersistenceBroker;
7 import org.apache.ojb.broker.PersistenceBrokerFactory;
8 import org.apache.ojb.broker.query.Criteria;
9 import org.apache.ojb.broker.query.Query;
10 import org.apache.ojb.broker.query.QueryByCriteria;
11 import org.contineo.core.LoggingManager;
12 import org.contineo.core.config.SearchSettings;
13
14 /**
15  * Created on 04.01.2005
16  * @author Michael Scholz
17  */
18 public class SearchSettingsDAO {
19     
20     private PersistenceBroker broker = null;
21     private PBKey pbkey;
22     private Logger logger;
23
24     /**
25      *
26      */
27     public SearchSettingsDAO() {
28         logger = LoggingManager.getLogger(this.getClass());
29         pbkey = new PBKey("contineo");
30     }
31
32     /** This method persists a SearchSettings object.
33      * @param settings SearchSettings which should be stored in a database.
34      * @return True if successful stored in a database.
35      */
36     public boolean store(SearchSettings settings) {
37         boolean result = true;
38         try {
39             broker = PersistenceBrokerFactory.createPersistenceBroker(pbkey);
40             broker.clearCache();
41             broker.beginTransaction();
42             broker.store(settings);
43             broker.commitTransaction();
44         }
45         catch (Exception JavaDoc e) {
46             broker.abortTransaction();
47             if (logger.isEnabledFor(Level.ERROR))
48                 logger.error(e.getMessage());
49             result = false;
50         } finally {
51             if (broker != null) broker.close();
52         }
53         return result;
54     }
55     
56     /**
57      * Finds search settings by primarykey.
58      * @param username Primarykey of wanted SearchSettings.
59      * @return Wanted search settings.
60      */
61     public SearchSettings findByPrimaryKey(String JavaDoc username) {
62         SearchSettings settings = null;
63         try {
64             broker = PersistenceBrokerFactory.createPersistenceBroker(pbkey);
65             Criteria crit = new Criteria();
66             crit.addEqualTo("co_username", username);
67             Query query = new QueryByCriteria(SearchSettings.class, crit);
68             settings = (SearchSettings)broker.getObjectByQuery(query);
69             if (settings == null) {
70                 settings = new SearchSettings();
71                 settings.setDefault();
72             }
73         }
74         catch (Exception JavaDoc e) {
75             if (logger.isEnabledFor(Level.ERROR))
76                 logger.error(e.getMessage());
77             settings = new SearchSettings();
78             settings.setDefault();
79         } finally {
80             if (broker != null) broker.close();
81         }
82         return settings;
83     }
84 }
85
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