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Java > Open Source Codes > example > cmp > transaction > CourseHome


1 package example.cmp.transaction;
2
3 import javax.ejb.CreateException;
4 import javax.ejb.EJBLocalHome;
5 import javax.ejb.EJBHome;
6 import javax.ejb.FinderException;
7
8 import java.util.Collection;
9
10 /**
11  * Home interface for the Course bean.
12  * The Home Interface enables you to create new entities and to obtain
13  * references to existing ones.
14  *
15  * <p>The idea is that you use the Home Interface to obtain references
16  * to whatever entities you're interested in. Each entity that you
17  * get from the Home Interface (using its create or finder methods)
18  * is then accessible through its Local Interface.
19  *
20  */
21 public interface CourseHome extends EJBLocalHome {
22   /**
23    * Returns the Course identified by the given primary key.
24    */
25   Course findByPrimaryKey(int primaryKey)
26     throws FinderException;
27
28   /**
29    * Returns a <code>Collection</code> of all Courses taught.
30    */
31   Collection findAll()
32     throws FinderException;
33
34 }
35
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