Listing 3. Defining a Home Interface
package il.co.lerner.book;
import javax.ejb.EJBHome;
import javax.ejb.CreateException;
import javax.ejb.FinderException;
import java.rmi.RemoteException;
import java.util.Collection;
/* This class defines the home
interface for our Book entity bean. */
public interface BookHome extends EJBHome
{
/* Create a new instance of Book */
public Book create(int newId, String newTitle,
String newAuthor, String
newPublisher,
double newUsDollarPrice)
throws RemoteException, CreateException;
/* Find a Book with the specified ID. The EJB
container implements this method for us
automatically. */
public Book findByPrimaryKey (int id)
throws RemoteException, FinderException;
/* Return a Collection of books that matches an
author name. This method is implemented
automatically by the EJB container. */
public Collection findByAuthor (String authorName)
throws RemoteException, FinderException;
/* Return all of the Book objects in the database */
public Collection findAll()
throws RemoteException, FinderException;
}
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