public Integer getCategoryId() {
Category category = product.getCategory();
if (category == null) {
return null;
} else {
return category.getId();
}
}
public void setCategoryId(Integer categoryId) {
if (categoryId == null) {
product.setCategory(null);
} else {
for (Category category : categories) {
if (category.getId().equals(categoryId)) {
product.setCategory(category);
break;
}
}
}
}