org.joda.time.LocalDate#minusYears ( )源码实例Demo

/**
 * If a date of birth is provided, then the rules should infer the person's
 * age. The inferred age is used in heart rate calculations later on.
 */
@Test
public void shouldInferAge() {
    LocalDate today = new LocalDate(kieSession.getSessionClock().getCurrentTime());
    LocalDate dob = today.minusYears(40);
    
    @SuppressWarnings("unused")
    FactHandle ageFact = kieSession.insert(new Known<>("dateOfBirth", dob));
    
    kieSession.fireAllRules();
    kieSession.getSessionClock().getCurrentTime();
    
    assertTrue("Should infer age if date of birth is known.", hasKnownValue("age", 40));
}
 

@Test
public void getTurnoversForAggregationPeriod_works() throws Exception {

    // given
    TurnoverAggregationService service = new TurnoverAggregationService();
    final LocalDate aggregationDate = new LocalDate(2020, 1, 1);
    final AggregationPeriod aggregationPeriod = AggregationPeriod.P_2M;
    List<Turnover> turnovers = new ArrayList<>();

    // when
    final Turnover turnoverThisYear = new Turnover(null, aggregationDate, null, null, null, null);
    final Turnover turnoverPlus1Month = new Turnover(null, aggregationDate.plusMonths(1), null, null, null, null);
    final Turnover turnoverMinus1Month = new Turnover(null, aggregationDate.minusMonths(1), null, null, null, null);
    turnovers.add(turnoverThisYear);
    turnovers.add(turnoverPlus1Month);
    turnovers.add(turnoverMinus1Month);

    // then
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).hasSize(2);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).contains(turnoverThisYear);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).contains(turnoverMinus1Month);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).doesNotContain(turnoverPlus1Month);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, true)).isEmpty();

    // and when
    final Turnover turnoverPreviousYear = new Turnover(null, aggregationDate.minusYears(1), null, null, null, null);
    final Turnover turnoverPYPlus1Month = new Turnover(null, aggregationDate.minusYears(1).plusMonths(1), null, null, null, null);
    final Turnover turnoverPYMinus1Month = new Turnover(null, aggregationDate.minusYears(1).minusMonths(1), null, null, null, null);
    turnovers.add(turnoverPreviousYear);
    turnovers.add(turnoverPYPlus1Month);
    turnovers.add(turnoverPYMinus1Month);

    // then
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).hasSize(2);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).contains(turnoverThisYear);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).contains(turnoverMinus1Month);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, false)).doesNotContain(turnoverPlus1Month);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, true)).hasSize(2);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, true)).contains(turnoverPreviousYear);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, true)).contains(turnoverPYMinus1Month);
    Assertions.assertThat(service.getTurnoversForAggregationPeriod(aggregationPeriod, aggregationDate, turnovers, true)).doesNotContain(turnoverPYPlus1Month);

}
 

public static Date subtractDate(Date startDate, Integer years, Integer months, Integer days) {

        LocalDate currentDate = new LocalDate(startDate);

        currentDate = currentDate.minusYears(years);
        currentDate = currentDate.minusMonths(months);
        currentDate = currentDate.minusDays(days);

        return currentDate.toDate();
    }
 

public static Date subtractDate(Object startDate, Object years, Object months, Object days) {

        LocalDate currentDate = new LocalDate(startDate);

        currentDate = currentDate.minusYears(intValue(years));
        currentDate = currentDate.minusMonths(intValue(months));
        currentDate = currentDate.minusDays(intValue(days));

        return currentDate.toDate();
    }