@Override
public <E extends T> Selection<? extends Scalar<Integer>> count(Class<E> type) {
checkClosed();
Objects.requireNotNull(type);
return new QueryElement<>(SELECT, entityModel, countOperation)
.select(Count.count(type))
.from(type);
}
@Test
public void testQuerySelectCount() {
data.insert(randomPersons(10));
try (Result<Tuple> result = data.select(Count.count(Person.class).as("bb")).get()) {
assertTrue(result.first().get("bb").equals(10));
}
try (Result<Tuple> result = data.select(Count.count(Person.class)).get()) {
assertTrue(result.first().get(0).equals(10));
}
assertEquals(10, data.count(Person.class).get().value().intValue());
data.count(Person.class)
.get()
.consume(
new Consumer<Integer>() {
@Override
public void accept(Integer integer) {
assertTrue(integer == 10);
}
});
}
@Override
public Selection<? extends Scalar<Integer>> count(QueryAttribute<?, ?>... attributes) {
checkClosed();
return new QueryElement<>(SELECT, entityModel, countOperation).select(Count.count(attributes));
}