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 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;
}
