CENamingStrategy


1   package org.hibernate.ce.auction.persistence;
2   
3   import org.hibernate.cfg.NamingStrategy;
4   import org.hibernate.util.StringHelper;
5   
6   /**
7    * Prefix database table and column names with a CaveatEmptor handle.
8    * <p>
9    * This is the implementation of a Hibernate <tt>NamingStrategy</tt>.
10   * Hibernate calls this class whenever it creates the database schema.
11   * All table names are prefixed with "CE_" while keeping the
12   * default Hibernate of uppercase property names. To enable this strategy,
13   * set it as the default for the <tt>SessionFactory</tt> , eg. in
14   * <tt>HibernateUtil</tt>:
15   * <p>
16   * <pre>
17   *    configuration = new Configuration();
18   *    configuration.setNamingStrategy(new CENamingStrategy());
19   *    sessionFactory = configuration.configure().buildSessionFactory();
20   *
21   * </pre>
22   * In general, <tt>NamingStrategy</tt> is a powerful concept that gives
23   * you freedom to name your database tables and columns using whatever
24   * pattern you like.
25   *
26   * @see HibernateUtil
27   * @author Christian Bauer <christian@hibernate.org>
28   */
29  public class CENamingStrategy implements NamingStrategy {
30  
31      public String   classToTableName(String   className) {
32          return StringHelper.unqualify(className);
33      }
34  
35      public String   propertyToColumnName(String   propertyName) {
36          return propertyName;
37      }
38  
39      public String   tableName(String   tableName) {
40          return "CE_" + tableName;
41      }
42  
43      public String   columnName(String   columnName) {
44          return columnName;
45      }
46  
47      public String   propertyToTableName(String   className, String   propertyName) {
48          return "CE_"
49                  + classToTableName(className)
50                  + '_'
51                  + propertyToColumnName(propertyName);
52      }
53  
54  }
55
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