public Pizza getSpecificPizza(int index) {
init();
if (index < 0) {
index = 0;
}
if (index > (data.size() - 1)) {
index = data.size() - 1;
}
Pizza obj = data.get(index);
Long id = obj.getId();
return pizzaService.findPizza(id);
}
public void init() {
int from = 0;
int to = 10;
data = pizzaService.findPizzaEntries(from, to);
if (data == null) {
throw new IllegalStateException(
"Find entries implementation for 'Pizza' illegally returned null");
}
if (!data.isEmpty()) {
return;
}
data = new ArrayList<Pizza>();
for (int i = 0; i < 10; i++) {
Pizza obj = getNewTransientPizza(i);
try {
pizzaService.savePizza(obj);
} catch (ConstraintViolationException e) {
StringBuilder msg = new StringBuilder();
for (Iterator<ConstraintViolation<?>> iter = e.getConstraintViolations().iterator();
iter.hasNext(); ) {
ConstraintViolation<?> cv = iter.next();
msg.append("[")
.append(cv.getConstraintDescriptor())
.append(":")
.append(cv.getMessage())
.append("=")
.append(cv.getInvalidValue())
.append("]");
}
throw new RuntimeException(msg.toString(), e);
}
pizzaRepository.flush();
data.add(obj);
}
}
public Pizza getRandomPizza() {
init();
Pizza obj = data.get(rnd.nextInt(data.size()));
Long id = obj.getId();
return pizzaService.findPizza(id);
}