public int copyCount() {
int count = 0;
for (Iterator iter = mediaCopies.values().iterator(); iter.hasNext(); ) {
List list = (List) iter.next();
count += list.size();
}
return count;
}
public void delete(MediaCopy copy) {
for (Iterator iter = mediaCopies.values().iterator(); iter.hasNext(); ) {
List list = (List) iter.next();
if (list.remove(copy)) {
return;
}
}
}
protected List findAllCollectionsOfType(Class type) {
List list = new ArrayList();
List keys = findAllKeysForValuesOfType(type);
for (Iterator iter = keys.iterator(); iter.hasNext(); ) {
String key = (String) iter.next();
list.add(mediaCopies.get(key));
}
return list;
}
protected List findAllKeysForValuesOfType(Class type) {
List list = new ArrayList();
for (Iterator iter = mediaCopies.keySet().iterator(); iter.hasNext(); ) {
String key = (String) iter.next();
Media media = getFirstInList((List) mediaCopies.get(key));
if (media != null && media.getClass().equals(type)) list.add(key);
}
return list;
}
public void testAddCopiesCreatesUniqueIds() throws Exception {
List copies = gateway.addCopies(new Book("isbn", "War and Peace", "Tolstoy"), 3);
assertEquals(3, copies.size());
assertEquals(5, gateway.findAllCopies("isbn").size());
Set ids = new HashSet();
for (Iterator iter = gateway.findAllCopies("isbn").iterator(); iter.hasNext(); )
ids.add(((MediaCopy) iter.next()).getId());
assertEquals(5, ids.size());
}
public MediaCopy findCdCopy(String barCode) {
List copies = (List) this.mediaCopies.get(barCode);
if (copies != null) {
for (Iterator i = copies.iterator(); i.hasNext(); ) {
MediaCopy copy = (MediaCopy) i.next();
if (copy.isCdCopy()) return copy;
}
return null;
} else return null;
}
public MediaCopy findBookCopy(String isbn) {
List copies = (List) this.mediaCopies.get(isbn);
if (copies != null) {
for (Iterator i = copies.iterator(); i.hasNext(); ) {
MediaCopy copy = (MediaCopy) i.next();
if (copy.isBookCopy()) return copy;
}
return null;
} else return null;
}
public void testGetAllISBNs() {
gateway.addCopy(new Book("isbn2", "Peace and War", "Toy Story")).getId();
List isbns = gateway.findAllISBNs();
assertEquals(2, isbns.size());
Iterator iter = isbns.iterator();
while (iter.hasNext()) {
String isbn = (String) iter.next();
assertTrue(isbn, isbn.startsWith("isbn"));
}
}
public MediaCopy findCopyById(String copyId) {
Collection listsOfCopies = mediaCopies.values();
for (Iterator i = listsOfCopies.iterator(); i.hasNext(); ) {
List copies = (List) i.next();
for (int j = 0; j < copies.size(); j++) {
MediaCopy mediaCopy = (MediaCopy) copies.get(j);
if (mediaCopy.getId().equals(copyId)) return mediaCopy;
}
}
return null;
}
public void testGetAllISBNsAndTitles() {
gateway.addCopy(new Book("isbn2", "Peace and War", "Toy Story")).getId();
gateway.addCopy(new Book("isbn3", "Son of Peace and War", "Toy Story II")).getId();
Map isbnsTitles = gateway.findAllISBNsAndTitles();
assertEquals(3, isbnsTitles.size());
Iterator iter = isbnsTitles.entrySet().iterator();
while (iter.hasNext()) {
Entry entry = (Entry) iter.next();
assertTrue(((String) entry.getKey()).startsWith("isbn"));
assertTrue(((String) entry.getValue()).contains("Peace"));
}
}
public Map findAllISBNsAndTitles() {
List isbns = findAllKeysForValuesOfType(Book.class);
Map map = new HashMap();
for (Iterator iter = isbns.iterator(); iter.hasNext(); ) {
String isbn = (String) iter.next();
List copies = (List) mediaCopies.get(isbn);
if (copies.size() > 0) {
String title = ((MediaCopy) copies.get(0)).getMedia().getTitle();
map.put(isbn, title);
}
}
return map;
}
public List findAllLoanReceiptsFor(String patronId) {
List receipts = new LinkedList();
Collection copyLists = mediaCopies.values();
for (Iterator i = copyLists.iterator(); i.hasNext(); ) {
List copyList = (List) i.next();
for (int j = 0; j < copyList.size(); j++) {
MediaCopy mediaCopy = (MediaCopy) copyList.get(j);
LoanReceipt receipt = mediaCopy.getLoanReceipt();
if (receipt != null && receipt.getBorrower().getId().equals(patronId))
receipts.add(receipt);
}
}
return receipts;
}
