本文整理了Java中java.time.Period.isZero()方法的一些代码示例，展示了Period.isZero()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Period.isZero()方法的具体详情如下：
包路径：java.time.Period
类名称：Period
方法名：isZero

Period.isZero介绍

[英]Checks if all three units of this period are zero.

A zero period has the value zero for the years, months and days units.
[中]检查这段时间的三个单位是否都为零。
零周期的年、月和日单位的值为零。

代码示例

代码示例来源：origin: jdbi/jdbi

@Test
public void testTrivialPeriod() {
  handle.execute("insert into intervals(id, foo) values(?, ?)", 4, Period.of(0, 0, 0));
  Period p = handle.createQuery("select foo from intervals where id=?")
      .bind(0, 4)
      .mapTo(Period.class)
      .findOnly();
  assertThat(p.isZero());
}

代码示例来源：origin: com.jtransc/jtransc-rt

public String toString() {
    if (isZero()) return "P0D";
    String out = "P";
    if (years != 0) out += years + "Y";
    if (months != 0) out += months + "M";
    if (days != 0) out += days + "D";
    return out;
  }
}

代码示例来源：origin: org.threeten/threeten-extra

/**
 * Checks if all parts of this amount are zero.
 * <p>
 * This returns true if both {@link Period#isZero()} and {@link Duration#isZero()}
 * return true.
 *
 * @return true if this period is zero-length
 */
public boolean isZero() {
  return period.isZero() && duration.isZero();
}

代码示例来源：origin: org.jadira.usertype/usertype.core

/**
   * Returns a string representation of the amount of time.
   * @param value Period to convert to a String
   * @return the amount of time in ISO8601 string format
   */
  public String toString(Period value) {

    final String str;
    if (value.isZero()) {
      str = "PT0S";
    } else {
      StringBuilder buf = new StringBuilder();
      buf.append('P');
      if (value.getYears() != 0) {
        buf.append(value.getYears()).append('Y');
      }
      if (value.getMonths() != 0) {
        buf.append(value.getMonths()).append('M');
      }
      if (value.getDays() != 0) {
        buf.append(value.getDays()).append('D');
      }
      str = buf.toString();
    }
    return str;
  }
}

代码示例来源：origin: OpenGamma/Strata

@ImmutableValidator
private void validate() {
 ArgChecker.isFalse(lag.isZero() || lag.isNegative(), "Lag must be positive");
}

代码示例来源：origin: org.jadira.usertype/usertype.extended

/**
   * Returns a string representation of the amount of time.
   * @param value Period to convert to a String
   * @return the amount of time in ISO8601 string format
   */
  public String toString(Period value) {

    final String str;
    if (value.isZero()) {
      str = "PT0S";
    } else {
      StringBuilder buf = new StringBuilder();
      buf.append('P');
      if (value.getYears() != 0) {
        buf.append(value.getYears()).append('Y');
      }
      if (value.getMonths() != 0) {
        buf.append(value.getMonths()).append('M');
      }
      if (value.getDays() != 0) {
        buf.append(value.getDays()).append('D');
      }
      str = buf.toString();
    }
    return str;
  }
}

代码示例来源：origin: zeebe-io/zeebe

private boolean isCalendarBased() {
 return !getPeriod().isZero() || getDuration().compareTo(ACCURATE_DURATION_UPPER_BOUND) >= 0;
}

代码示例来源：origin: io.zeebe/zb-bpmn-model

private boolean isCalendarBased() {
 return !getPeriod().isZero() || getDuration().compareTo(ACCURATE_DURATION_UPPER_BOUND) >= 0;
}

代码示例来源：origin: zeebe-io/zeebe

@Override
public String toString() {
 if (period.isZero()) {
  return duration.toString();
 }
 if (duration.isZero()) {
  return period.toString();
 }
 return period.toString() + duration.toString().substring(1);
}

代码示例来源：origin: org.threeten/threeten-extra

/**
 * Formats a period and duration to a string in ISO-8601 format.
 * <p>
 * To obtain the ISO-8601 format of a {@code Period} or {@code Duration}
 * individually, simply call {@code toString()}.
 * See also {@link PeriodDuration}.
 * 
 * @param period  the period to format
 * @param duration  the duration to format
 * @return the ISO-8601 format for the period and duration
 */
public static String iso8601(Period period, Duration duration) {
  Objects.requireNonNull(period, "period must not be null");
  Objects.requireNonNull(duration, "duration must not be null");
  if (period.isZero()) {
    return duration.toString();
  }
  if (duration.isZero()) {
    return period.toString();
  }
  return period.toString() + duration.toString().substring(1);
}

代码示例来源：origin: io.zeebe/zb-bpmn-model

@Override
public String toString() {
 if (period.isZero()) {
  return duration.toString();
 }
 if (duration.isZero()) {
  return period.toString();
 }
 return period.toString() + duration.toString().substring(1);
}

代码示例来源：origin: OpenGamma/Strata

/**
 * Creates a tenor.
 *
 * @param period  the period to represent
 * @param name  the name
 */
private Tenor(Period period, String name) {
 ArgChecker.notNull(period, "period");
 ArgChecker.isFalse(period.isZero(), "Tenor period must not be zero");
 ArgChecker.isFalse(period.isNegative(), "Tenor period must not be negative");
 this.period = period;
 this.name = name;
}

代码示例来源：origin: org.threeten/threeten-extra

/**
 * Returns a string representation of the amount.
 * This will be in the format 'PnYnMnDTnHnMnS', with sections omitted as necessary.
 * An empty amount will return "PT0S".
 *
 * @return the period in ISO-8601 string format
 */
@Override
@ToString
public String toString() {
  if (period.isZero()) {
    return duration.toString();
  }
  if (duration.isZero()) {
    return period.toString();
  }
  return period.toString() + duration.toString().substring(1);
}

代码示例来源：origin: OpenGamma/Strata

ArgChecker.isFalse(period.isZero(), "Frequency period must not be zero");
ArgChecker.isFalse(period.isNegative(), "Frequency period must not be negative");
this.period = period;

代码示例来源：origin: OpenGamma/Strata

/**
 * Converts an FpML 'RelativeDateOffset' to a {@code DaysAdjustment}.
 * 
 * @param baseEl  the FpML adjustable date element
 * @return the days adjustment
 * @throws RuntimeException if unable to parse
 */
public DaysAdjustment parseRelativeDateOffsetDays(XmlElement baseEl) {
 // FpML content: ('periodMultiplier', 'period', 'dayType?',
 //                'businessDayConvention', 'BusinessCentersOrReference.model?'
 //                'dateRelativeTo', 'adjustedDate')
 // The 'dateRelativeTo' element is not used here
 // The 'adjustedDate' element is ignored
 Period period = parsePeriod(baseEl);
 if (period.toTotalMonths() != 0) {
  throw new FpmlParseException("Expected days-based period but found " + period);
 }
 Optional<XmlElement> dayTypeEl = baseEl.findChild("dayType");
 boolean calendarDays = period.isZero() || (dayTypeEl.isPresent() && dayTypeEl.get().getContent().equals("Calendar"));
 BusinessDayConvention fixingBdc = convertBusinessDayConvention(
   baseEl.getChild("businessDayConvention").getContent());
 HolidayCalendarId calendar = parseBusinessCenters(baseEl);
 if (calendarDays) {
  return DaysAdjustment.ofCalendarDays(
    period.getDays(), BusinessDayAdjustment.of(fixingBdc, calendar));
 } else {
  return DaysAdjustment.ofBusinessDays(period.getDays(), calendar);
 }
}

代码示例来源：origin: com.github.seratch/java-time-backport

if (excessDays != null && excessDays.isZero() == false && date != null && time != null) {
  date = date.plus(excessDays);
  excessDays = Period.ZERO;

代码示例来源：origin: OpenGamma/Strata

boolean fixingCalendarDays = period.isZero() ||
  (dayTypeEl.isPresent() && dayTypeEl.get().getContent().equals("Calendar"));
if (fixingCalendarDays) {

代码示例来源：origin: OpenGamma/Strata

boolean calendarDays = period.isZero() || (dayTypeEl.isPresent() && dayTypeEl.get().getContent().equals("Calendar"));
BusinessDayAdjustment bda1 = parseBusinessDayAdjustments(baseEl);
BusinessDayAdjustment bda2 = baseEl.findChild("relativeDateAdjustments")