public CommandConstraintException(Set<ConstraintViolation<ICommand>> constraintViolations) {
if (UtilValidator.isNotEmpty(constraintViolations)) {
for (ConstraintViolation constraintViolation : constraintViolations) {
constraintMessages.add(constraintViolation.getMessage());
}
this.constraintViolations = constraintViolations;
}
}
public void issueBooks() {
List<Map<String, ?>> booksToBeIssued = ViewUtil.getSelectedItems(availableBooksListBox);
if (UtilValidator.isNotEmpty(booksToBeIssued)) issueBooks(getBookIds(booksToBeIssued));
}
public void returnBooks() {
List<Map<String, ?>> booksToBeReturned = ViewUtil.getSelectedItems(booksWithMemberListBox);
if (UtilValidator.isNotEmpty(booksToBeReturned)) returnBooks(getBookIds(booksToBeReturned));
}