本文整理了Java中org.threeten.bp.zone.ZoneOffsetTransition.getOffsetBefore()方法的一些代码示例，展示了ZoneOffsetTransition.getOffsetBefore()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。ZoneOffsetTransition.getOffsetBefore()方法的具体详情如下：
包路径：org.threeten.bp.zone.ZoneOffsetTransition
类名称：ZoneOffsetTransition
方法名：getOffsetBefore

ZoneOffsetTransition.getOffsetBefore介绍

[英]Gets the offset before the transition.

This is the offset in use before the instant of the transition.
[中]获取转换前的偏移量。
这是过渡瞬间之前使用的偏移量。

代码示例

代码示例来源：origin: ThreeTen/threetenbp

@Override
public ZoneOffset getOffset(LocalDateTime localDateTime) {
  Object info = getOffsetInfo(localDateTime);
  if (info instanceof ZoneOffsetTransition) {
    return ((ZoneOffsetTransition) info).getOffsetBefore();
  }
  return (ZoneOffset) info;
}

代码示例来源：origin: org.threeten/threetenbp

@Override
public ZoneOffset getOffset(LocalDateTime localDateTime) {
  Object info = getOffsetInfo(localDateTime);
  if (info instanceof ZoneOffsetTransition) {
    return ((ZoneOffsetTransition) info).getOffsetBefore();
  }
  return (ZoneOffset) info;
}

代码示例来源：origin: org.threeten/threetenbp

/**
 * Gets the valid offsets during this transition.
 * <p>
 * A gap will return an empty list, while an overlap will return both offsets.
 *
 * @return the list of valid offsets
 */
List<ZoneOffset> getValidOffsets() {
  if (isGap()) {
    return Collections.emptyList();
  }
  return Arrays.asList(getOffsetBefore(), getOffsetAfter());
}

代码示例来源：origin: ThreeTen/threetenbp

/**
 * Gets the valid offsets during this transition.
 * <p>
 * A gap will return an empty list, while an overlap will return both offsets.
 *
 * @return the list of valid offsets
 */
List<ZoneOffset> getValidOffsets() {
  if (isGap()) {
    return Collections.emptyList();
  }
  return Arrays.asList(getOffsetBefore(), getOffsetAfter());
}

代码示例来源：origin: ThreeTen/threetenbp

/**
 * Gets the duration of the transition in seconds.
 *
 * @return the duration in seconds
 */
private int getDurationSeconds() {
  return getOffsetAfter().getTotalSeconds() - getOffsetBefore().getTotalSeconds();
}

代码示例来源：origin: ThreeTen/threetenbp

/**
 * Does this transition represent a gap in the local time-line.
 * <p>
 * Overlaps occur where there are local date-times that exist twice.
 * An example would be when the offset changes from {@code +02:00} to {@code +01:00}.
 * This might be described as 'the clocks will move back one hour tonight at 2am'.
 *
 * @return true if this transition is an overlap, false if it is a gap
 */
public boolean isOverlap() {
  return getOffsetAfter().getTotalSeconds() < getOffsetBefore().getTotalSeconds();
}

代码示例来源：origin: ThreeTen/threetenbp

/**
 * Does this transition represent a gap in the local time-line.
 * <p>
 * Gaps occur where there are local date-times that simply do not not exist.
 * An example would be when the offset changes from {@code +01:00} to {@code +02:00}.
 * This might be described as 'the clocks will move forward one hour tonight at 1am'.
 *
 * @return true if this transition is a gap, false if it is an overlap
 */
public boolean isGap() {
  return getOffsetAfter().getTotalSeconds() > getOffsetBefore().getTotalSeconds();
}

代码示例来源：origin: org.threeten/threetenbp

/**
 * Gets the duration of the transition in seconds.
 *
 * @return the duration in seconds
 */
private int getDurationSeconds() {
  return getOffsetAfter().getTotalSeconds() - getOffsetBefore().getTotalSeconds();
}

代码示例来源：origin: org.threeten/threetenbp

/**
 * Does this transition represent a gap in the local time-line.
 * <p>
 * Gaps occur where there are local date-times that simply do not not exist.
 * An example would be when the offset changes from {@code +01:00} to {@code +02:00}.
 * This might be described as 'the clocks will move forward one hour tonight at 1am'.
 *
 * @return true if this transition is a gap, false if it is an overlap
 */
public boolean isGap() {
  return getOffsetAfter().getTotalSeconds() > getOffsetBefore().getTotalSeconds();
}

代码示例来源：origin: org.threeten/threetenbp

/**
 * Does this transition represent a gap in the local time-line.
 * <p>
 * Overlaps occur where there are local date-times that exist twice.
 * An example would be when the offset changes from {@code +02:00} to {@code +01:00}.
 * This might be described as 'the clocks will move back one hour tonight at 2am'.
 *
 * @return true if this transition is an overlap, false if it is a gap
 */
public boolean isOverlap() {
  return getOffsetAfter().getTotalSeconds() < getOffsetBefore().getTotalSeconds();
}

代码示例来源：origin: ThreeTen/threetenbp

/**
 * Checks if the specified offset is valid during this transition.
 * <p>
 * This checks to see if the given offset will be valid at some point in the transition.
 * A gap will always return false.
 * An overlap will return true if the offset is either the before or after offset.
 *
 * @param offset  the offset to check, null returns false
 * @return true if the offset is valid during the transition
 */
public boolean isValidOffset(ZoneOffset offset) {
  return isGap() ? false : (getOffsetBefore().equals(offset) || getOffsetAfter().equals(offset));
}

代码示例来源：origin: org.threeten/threetenbp

/**
 * Checks if the specified offset is valid during this transition.
 * <p>
 * This checks to see if the given offset will be valid at some point in the transition.
 * A gap will always return false.
 * An overlap will return true if the offset is either the before or after offset.
 *
 * @param offset  the offset to check, null returns false
 * @return true if the offset is valid during the transition
 */
public boolean isValidOffset(ZoneOffset offset) {
  return isGap() ? false : (getOffsetBefore().equals(offset) || getOffsetAfter().equals(offset));
}

代码示例来源：origin: org.threeten/threetenbp

/**
 * Converts this to a transition rule.
 *
 * @param standardOffset  the active standard offset, not null
 * @param savingsBeforeSecs  the active savings before the transition in seconds
 * @return the transition, not null
 */
ZoneOffsetTransitionRule toTransitionRule(ZoneOffset standardOffset, int savingsBeforeSecs) {
  // optimize stored format
  if (dayOfMonthIndicator < 0) {
    if (month != Month.FEBRUARY) {
      dayOfMonthIndicator = month.maxLength() - 6;
    }
  }
  // build rule
  ZoneOffsetTransition trans = toTransition(standardOffset, savingsBeforeSecs);
  return new ZoneOffsetTransitionRule(
      month, dayOfMonthIndicator, dayOfWeek, time, adjustDays, timeDefinition,
      standardOffset, trans.getOffsetBefore(), trans.getOffsetAfter());
}

代码示例来源：origin: ThreeTen/threetenbp

@Override
public ZoneOffset getOffset(Instant instant) {
  long epochSec = instant.getEpochSecond();
  // check if using last rules
  if (lastRules.length > 0 &&
      epochSec > savingsInstantTransitions[savingsInstantTransitions.length - 1]) {
    int year = findYear(epochSec, wallOffsets[wallOffsets.length - 1]);
    ZoneOffsetTransition[] transArray = findTransitionArray(year);
    ZoneOffsetTransition trans = null;
    for (int i = 0; i < transArray.length; i++) {
      trans = transArray[i];
      if (epochSec < trans.toEpochSecond()) {
        return trans.getOffsetBefore();
      }
    }
    return trans.getOffsetAfter();
  }
  // using historic rules
  int index  = Arrays.binarySearch(savingsInstantTransitions, epochSec);
  if (index < 0) {
    // switch negative insert position to start of matched range
    index = -index - 2;
  }
  return wallOffsets[index + 1];
}

代码示例来源：origin: ThreeTen/threetenbp

/**
 * Converts this to a transition rule.
 *
 * @param standardOffset  the active standard offset, not null
 * @param savingsBeforeSecs  the active savings before the transition in seconds
 * @return the transition, not null
 */
ZoneOffsetTransitionRule toTransitionRule(ZoneOffset standardOffset, int savingsBeforeSecs) {
  // optimize stored format
  if (dayOfMonthIndicator < 0) {
    if (month != Month.FEBRUARY) {
      dayOfMonthIndicator = month.maxLength() - 6;
    }
  }
  // build rule
  ZoneOffsetTransition trans = toTransition(standardOffset, savingsBeforeSecs);
  return new ZoneOffsetTransitionRule(
      month, dayOfMonthIndicator, dayOfWeek, time, adjustDays, timeDefinition,
      standardOffset, trans.getOffsetBefore(), trans.getOffsetAfter());
}

代码示例来源：origin: org.threeten/threetenbp

@Override
public ZoneOffset getOffset(Instant instant) {
  long epochSec = instant.getEpochSecond();
  // check if using last rules
  if (lastRules.length > 0 &&
      epochSec > savingsInstantTransitions[savingsInstantTransitions.length - 1]) {
    int year = findYear(epochSec, wallOffsets[wallOffsets.length - 1]);
    ZoneOffsetTransition[] transArray = findTransitionArray(year);
    ZoneOffsetTransition trans = null;
    for (int i = 0; i < transArray.length; i++) {
      trans = transArray[i];
      if (epochSec < trans.toEpochSecond()) {
        return trans.getOffsetBefore();
      }
    }
    return trans.getOffsetAfter();
  }
  // using historic rules
  int index  = Arrays.binarySearch(savingsInstantTransitions, epochSec);
  if (index < 0) {
    // switch negative insert position to start of matched range
    index = -index - 2;
  }
  return wallOffsets[index + 1];
}

代码示例来源：origin: ThreeTen/threetenbp

@Override
public ChronoZonedDateTime<D> withEarlierOffsetAtOverlap() {
  ZoneOffsetTransition trans = getZone().getRules().getTransition(LocalDateTime.from(this));
  if (trans != null && trans.isOverlap()) {
    ZoneOffset earlierOffset = trans.getOffsetBefore();
    if (earlierOffset.equals(offset) == false) {
      return new ChronoZonedDateTimeImpl<D>(dateTime, earlierOffset, zone);
    }
  }
  return this;
}

代码示例来源：origin: org.threeten/threetenbp

@Override
public ChronoZonedDateTime<D> withEarlierOffsetAtOverlap() {
  ZoneOffsetTransition trans = getZone().getRules().getTransition(LocalDateTime.from(this));
  if (trans != null && trans.isOverlap()) {
    ZoneOffset earlierOffset = trans.getOffsetBefore();
    if (earlierOffset.equals(offset) == false) {
      return new ChronoZonedDateTimeImpl<D>(dateTime, earlierOffset, zone);
    }
  }
  return this;
}

代码示例来源：origin: ThreeTen/threetenbp

/**
 * Returns a copy of this date-time changing the zone offset to the
 * earlier of the two valid offsets at a local time-line overlap.
 * <p>
 * This method only has any effect when the local time-line overlaps, such as
 * at an autumn daylight savings cutover. In this scenario, there are two
 * valid offsets for the local date-time. Calling this method will return
 * a zoned date-time with the earlier of the two selected.
 * <p>
 * If this method is called when it is not an overlap, {@code this}
 * is returned.
 * <p>
 * This instance is immutable and unaffected by this method call.
 *
 * @return a {@code ZonedDateTime} based on this date-time with the earlier offset, not null
 */
@Override
public ZonedDateTime withEarlierOffsetAtOverlap() {
  ZoneOffsetTransition trans = getZone().getRules().getTransition(dateTime);
  if (trans != null && trans.isOverlap()) {
    ZoneOffset earlierOffset = trans.getOffsetBefore();
    if (earlierOffset.equals(offset) == false) {
      return new ZonedDateTime(dateTime, earlierOffset, zone);
    }
  }
  return this;
}

代码示例来源：origin: org.threeten/threetenbp

/**
 * Returns a copy of this date-time changing the zone offset to the
 * earlier of the two valid offsets at a local time-line overlap.
 * <p>
 * This method only has any effect when the local time-line overlaps, such as
 * at an autumn daylight savings cutover. In this scenario, there are two
 * valid offsets for the local date-time. Calling this method will return
 * a zoned date-time with the earlier of the two selected.
 * <p>
 * If this method is called when it is not an overlap, {@code this}
 * is returned.
 * <p>
 * This instance is immutable and unaffected by this method call.
 *
 * @return a {@code ZonedDateTime} based on this date-time with the earlier offset, not null
 */
@Override
public ZonedDateTime withEarlierOffsetAtOverlap() {
  ZoneOffsetTransition trans = getZone().getRules().getTransition(dateTime);
  if (trans != null && trans.isOverlap()) {
    ZoneOffset earlierOffset = trans.getOffsetBefore();
    if (earlierOffset.equals(offset) == false) {
      return new ZonedDateTime(dateTime, earlierOffset, zone);
    }
  }
  return this;
}