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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef LIBRARY_ICE
#define LIBRARY_ICE
module Demo
{
/**
*
* This exception is raised in the case of a database failure.
*
**/
exception DatabaseException
{
string message;
};
/**
*
* This exception is raised if the book already exists.
*
**/
exception BookExistsException
{
};
/**
*
* This exception is raised if a book has already been rented.
*
**/
exception BookRentedException
{
};
/**
*
* This exception is raised if the book has not been rented.
*
**/
exception BookNotRentedException
{
};
/**
*
* A description of a book.
*
**/
struct BookDescription
{
/** The ISBN number of the book. */
string isbn;
/** The title of the book. */
string title;
/** The authors of the book. */
string authors;
};
/**
*
* This class represents a book.
*
**/
class Book
{
/**
*
* Get a description of the book.
*
* @return The book description.
*
**/
idempotent BookDescription getBookDescription();
/**
*
* Destroy the book.
*
* @throws DatabaseException Raised if there is a problem with the
* database system.
*
**/
["freeze:write"] void destroy()
throws DatabaseException;
/**
*
* Rent the book to the specified customer.
*
* @param name The name of the customer.
*
* @throws BookRentedException Raised if the book has already been
* rented.
*
**/
["freeze:write"] void rentBook(string name)
throws BookRentedException;
/**
*
* Get the name of the renter.
*
* @return The name the current rental customer.
*
* @throws BookNotRentedException Raised if the book is not
* currently rented.
*
**/
idempotent string getRenterName()
throws BookNotRentedException;
/**
*
* Return the book.
*
* @throws BookNotRentedException Raised if the book is not
* currently rented.
*
**/
["freeze:write"] void returnBook()
throws BookNotRentedException;
/**
*
* The description for this book. Once a book has been created
* this information is immutable.
*
**/
BookDescription description;
/**
*
* The name of the current rental customer, or the empty string if
* the book is not currently rented.
*
**/
string rentalCustomerName;
};
/**
*
* A sequence of book proxies.
*
**/
sequence<Book*> BookPrxSeq;
/**
*
* This interface represents a library.
*
**/
interface Library
{
/**
*
* Create a book with the given description.
*
* @param description The book description.
*
* @return A proxy for the new book.
*
* @throws DatabaseException Raised if there is a problem with the
* database.
*
* @throws BookExistsException Raised if the book already exists.
*
**/
Book* createBook(BookDescription description)
throws DatabaseException, BookExistsException;
/**
*
* Find a book by its ISBN number.
*
* @param isbn The ISBN number.
*
* @return The result of the search, or an null proxy if the book
* was not found.
*
* @throws DatabaseException Raised if there is a problem with the database.
*
**/
idempotent Book* findByIsbn(string isbn)
throws DatabaseException;
/**
*
* Find all books with a given authors.
*
* @param title The search parameters.
*
* @return The result of the search, or an empty sequence if no
* books were found.
*
* @throws DatabaseException Raised if there is a problem with the database.
*
**/
idempotent BookPrxSeq findByAuthors(string authors)
throws DatabaseException;
/**
*
* Set the evictor size.
*
* @param size The new size for the evictor.
*
* @throws DatabaseException Raised if there is a problem with the
* database.
*
**/
idempotent void setEvictorSize(int size)
throws DatabaseException;
/**
*
* Shutdown the server.
*
**/
void shutdown();
};
};
#endif
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