bookhome.java

JAVA 光盘操作说明 是解压包,直接解压就可以了

package examples;

import javax.ejb.*;
import java.util.Collection;

/**
 * This is the local home interface for Book.
 * This interface is implemented by the EJB container.
 * The implemented object is called the local home object,
 * and serves as a factory for EJB local objects.
 * 
 * One create() method is in this Home Interface, which
 * corresponds to the ejbCreate() method in the bean class.
 */
public interface BookHome extends EJBLocalHome {

	/*
	 * Creates a Book
	 *
	 * @param BookID The number of the Book (unique)
	 * @param name The name of the Book
	 * @param description Book description
	 * @param basePrice Base Price of Book
	 *
	 * @return The newly created EJB Object.
	 */
	Book create(String bookID, String name, String description, double basePrice) throws CreateException;

	// Finder methods.  These are implemented by the
	// container.  You can customize the functionality of
	// these methods in the deployment descriptor through
	// EJB-QL and container tools.

	/**
     * Returns the Book EJB object for the given Book id
     */
    public Book findByPrimaryKey(String key) throws FinderException;

    /**
     * Returns set of the Book EJB objects for the given Book name
     */
	public Collection findByName(String name) throws FinderException;
    
    /**
     * Returns set of the Book EJB objects for the given Book description
     */
	public Collection findByDescription(String description) throws FinderException;
    
    /**
     * Returns set of the Book EJB objects for the given Book base price
     */
	public Collection findByBasePrice(double basePrice) throws FinderException;
    
    /**
     * Returns set of the Book EJB objects whose base price is greater than minprice
     */
	public Collection findExpensiveBooks(double minPrice) throws FinderException;
    
     /**
     * Returns set of the Book EJB objects whose base price is less than maxPrice
     */
	public Collection findCheapBooks(double maxPrice) throws FinderException;

    /**
     * Returns set of all the Book EJB objects
     */
	public Collection findAllBooks() throws FinderException;
}