public void addCopies(Set<BookCopy> bookCopiesSet) throws BookStoreException {
int ISBN, numCopies;
if (bookCopiesSet == null) {
throw new BookStoreException(BookStoreConstants.NULL_INPUT);
}
try {
bsLock.updateLock().lock();
for (BookCopy bookCopy : bookCopiesSet) {
ISBN = bookCopy.getISBN();
numCopies = bookCopy.getNumCopies();
if (BookStoreUtility.isInvalidISBN(ISBN))
throw new BookStoreException(BookStoreConstants.ISBN + ISBN + BookStoreConstants.INVALID);
if (!bookMap.containsKey(ISBN))
throw new BookStoreException(BookStoreConstants.ISBN + ISBN + BookStoreConstants.INVALID);
if (BookStoreUtility.isInvalidNoCopies(numCopies))
throw new BookStoreException(
BookStoreConstants.NUM_COPIES + numCopies + BookStoreConstants.INVALID);
}
bsLock.writeLock().lock();
BookStoreBook book;
// Update the number of copies
for (BookCopy bookCopy : bookCopiesSet) {
ISBN = bookCopy.getISBN();
numCopies = bookCopy.getNumCopies();
book = bookMap.get(ISBN);
book.addCopies(numCopies);
}
} finally {
bsLock.writeLock().unlock();
bsLock.updateLock().unlock();
}
}
public void addBooks(Set<StockBook> bookSet) throws BookStoreException {
if (bookSet == null) {
throw new BookStoreException(BookStoreConstants.NULL_INPUT);
}
try {
// Check if all are there
bsLock.updateLock().lock();
for (StockBook book : bookSet) {
int ISBN = book.getISBN();
String bookTitle = book.getTitle();
String bookAuthor = book.getAuthor();
int noCopies = book.getNumCopies();
float bookPrice = book.getPrice();
if (BookStoreUtility.isInvalidISBN(ISBN)
|| BookStoreUtility.isEmpty(bookTitle)
|| BookStoreUtility.isEmpty(bookAuthor)
|| BookStoreUtility.isInvalidNoCopies(noCopies)
|| bookPrice < 0.0) {
throw new BookStoreException(
BookStoreConstants.BOOK + book.toString() + BookStoreConstants.INVALID);
} else if (bookMap.containsKey(ISBN)) {
throw new BookStoreException(
BookStoreConstants.ISBN + ISBN + BookStoreConstants.DUPLICATED);
}
}
bsLock.writeLock().lock();
for (StockBook book : bookSet) {
int ISBN = book.getISBN();
bookMap.put(ISBN, new BookStoreBook(book));
}
} finally {
bsLock.writeLock().unlock();
bsLock.updateLock().unlock();
}
return;
}