File	Doc	Category	Size	Date	Package
BookServiceEJB.java	API Doc	Example	4115	Wed Jan 29 23:48:24 GMT 2003	ora.jwsnut.chapter2.ejbbookservice

BookServiceEJB

• java.lang.Object

Fields Summary
private javax.ejb.SessionContext	sessionContext

Constructors Summary

Methods Summary
public void	ejbActivate() Activation/passivations methods are also no-ops
public void	ejbCreate() // Nothing to do in this example
public void	ejbPassivate()
public void	ejbRemove() // Nothing to do in this example
private ora.jwsnut.chapter2.bookservice.BookInfo	findBook(java.lang.String name) Looks for a book whose title matches a given string. The comparison is case-insensitive. param name the string to match against the book name return the BookInfo object for the first matching book, or null if no match exists. BookInfo[] books = BookServiceServantData.getBookInfo(); for (int i = 0; i < books.length; i++) { if (books[i].getTitle().equalsIgnoreCase(name)) { // Found a match return books[i]; } } return null; // No match
public java.lang.String	getAuthor(java.lang.String name) Get the author for a book with a given name. param name the name of the book. return the author of the book, or null if no matching book can be found. BookInfo book = findBook(name); return book == null ? null : book.getAuthor();
public int	getBookCount() Gets the number of books known to the service return the number of books known to the service. return BookServiceServantData.getBookInfo().length;
public ora.jwsnut.chapter2.bookservice.BookInfo[]	getBookInfo() Gets information for all known books, in the form of an array. return an array of BookInfo objects with one entry for each book. return BookServiceServantData.getBookInfo();
public java.util.HashMap	getBookMap() Returns all of the books known to the book service in the form of a HashMap where the key to each entry is the book title in upper case and the value is a BookInfo object. return BookServiceServantData.getBookInfoHashMap();
public java.lang.String	getEditor(java.lang.String name) Gets the name of the editor for a book. param name the name of the book. return the editor of the book, or null if no matching book can be found. BookInfo book = findBook(name); return book == null ? null : book.getEditor();
public double	getPrice(java.lang.String name) Gets the price of a book with a given name. If the given name does not match with a known book, a BookServiceException is thrown. param name the name of the book. return the price of the book. BookInfo book = findBook(name); if (book == null) { // No such book - throw an exception throw new BookServiceException("No matching book for '" + name + "'"); } return book.getPrice();
public void	setSessionContext(javax.ejb.SessionContext sessionContext) Provides the bean with access to state from the container. this.sessionContext = sessionContext;