@Override
public Navigation run() throws Exception {
Validators v = new Validators(request);
v.add("id", v.longType());
v.add("salary", v.required(), v.integerType());
if (!v.validate()) {
System.out.println("validation error: " + errors);
return null;
}
long id = asLong("id");
int salary = asInteger("salary");
Key key = Datastore.createKey(Employee.class, id);
Transaction tx = Datastore.beginTransaction();
try {
Employee e = Datastore.get(tx, Employee.class, key);
e.setSalary(salary);
Datastore.put(tx, e);
tx.commit();
} finally {
if (tx.isActive()) {
tx.rollback();
}
}
return forward("updateSalary.jsp");
}
