java.time.LocalDateTime.ofEpochSecond()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中java.time.LocalDateTime.ofEpochSecond()方法的一些代码示例，展示了LocalDateTime.ofEpochSecond()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。LocalDateTime.ofEpochSecond()方法的具体详情如下：
包路径：java.time.LocalDateTime
类名称：LocalDateTime
方法名：ofEpochSecond

LocalDateTime.ofEpochSecond介绍

[英]Obtains an instance of LocalDateTime using seconds from the epoch of 1970-01-01T00:00:00Z.

This allows the ChronoField#INSTANT_SECONDS field to be converted to a local date-time. This is primarily intended for low-level conversions rather than general application usage.
[中]从1970-01-01T00:00:00Z的纪元开始，使用秒获取LocalDateTime的实例。
这允许将ChronoField#INSTANT_SECONDS字段转换为本地日期时间。这主要用于低级转换，而不是一般的应用程序使用。

代码示例

代码示例来源：origin: apache/hive

public void setTimeInSeconds(long epochSecond, int nanos) {
 localDateTime = LocalDateTime.ofEpochSecond(
   epochSecond, nanos, ZoneOffset.UTC);
}

代码示例来源：origin: debezium/debezium

/**
 * Get the UTC-based {@link LocalDateTime} for given microseconds epoch
 *
 * @param microseconds - timestamp in microseconds
 * @return timestamp in UTC timezone
 */
public static LocalDateTime toLocalDateTimeUTC(long microseconds) {
  long seconds = microseconds / MICROSECONDS_PER_SECOND;
  // typecasting is safe as microseconds and nanoseconds in second fit in int range
  int microsecondsOfSecond = (int)(microseconds % MICROSECONDS_PER_SECOND);
  if (microsecondsOfSecond < 0) {
    seconds--;
    microsecondsOfSecond = (int)Conversions.MICROSECONDS_PER_SECOND + microsecondsOfSecond;
  }
  return LocalDateTime.ofEpochSecond(seconds, (int)(microsecondsOfSecond * NANOSECONDS_PER_MICROSECOND), ZoneOffset.UTC);
}

代码示例来源：origin: debezium/debezium

/**
 * Get the UTC-based {@link LocalDateTime} for given nanoseconds epoch
 *
 * @param nanoseconds - timestamp in nanoseconds
 * @return timestamp in UTC timezone
 */
public static LocalDateTime fromNanosToLocalDateTimeUTC(long nanoseconds) {
  long seconds = nanoseconds / NANOSECONDS_PER_SECOND;
  // typecasting is safe as microseconds and nanoseconds in second fit in int range
  int nanosecondsOfSecond = (int)(nanoseconds % NANOSECONDS_PER_SECOND);
  if (nanosecondsOfSecond < 0) {
    seconds--;
    nanosecondsOfSecond = (int)Conversions.NANOSECONDS_PER_SECOND + nanosecondsOfSecond;
  }
  return LocalDateTime.ofEpochSecond(seconds, nanosecondsOfSecond, ZoneOffset.UTC);
}

代码示例来源：origin: neo4j/neo4j

private static ArrayValue readLocalDateTimeArray( ByteBuffer bb, int offset )
{
  final int len = bb.getInt( offset );
  offset += Integer.BYTES;
  final LocalDateTime[] array = new LocalDateTime[len];
  for ( int i = 0; i < len; i++ )
  {
    final long epochSecond = bb.getLong( offset );
    offset += Long.BYTES;
    final int nanos = bb.getInt( offset );
    offset += Integer.BYTES;
    array[i] = LocalDateTime.ofEpochSecond( epochSecond, nanos, UTC );
  }
  return localDateTimeArray( array );
}

代码示例来源：origin: apache/hive

/**
 * Compute the expired date partition, using the underlying clock in UTC time.
 */
private static void computeExpiredDatePtn(long ttl) {
 // Use UTC date to ensure reader date is same on all timezones.
 LocalDate expiredDate
     = LocalDateTime.ofEpochSecond((clock.getTime() - ttl) / 1000, 0, ZoneOffset.UTC).toLocalDate();
 expiredDatePtn = "date=" + DateTimeFormatter.ISO_LOCAL_DATE.format(expiredDate);
}

代码示例来源：origin: apache/hive

/**
 * Returns the current time, using the underlying clock in UTC time.
 */
public LocalDateTime getNow() {
 // Use UTC date to ensure reader date is same on all timezones.
 return LocalDateTime.ofEpochSecond(clock.getTime() / 1000, 0, ZoneOffset.UTC);
}

代码示例来源：origin: apache/hive

public static Timestamp ofEpochSecond(long epochSecond, int nanos) {
 return new Timestamp(
   LocalDateTime.ofEpochSecond(epochSecond, nanos, ZoneOffset.UTC));
}

代码示例来源：origin: neo4j/neo4j

@Override
public Object read( ReadableClosableChannel from ) throws IOException
{
  return LocalDateTime.ofEpochSecond( from.getLong(), from.getInt(), UTC );
}

代码示例来源：origin: org.postgresql/postgresql

/**
 * Returns the local date time object matching the given bytes with {@link Oid#TIMESTAMP} or
 * {@link Oid#TIMESTAMPTZ}.
 *
 * @param tz time zone to use
 * @param bytes The binary encoded local date time value.
 * @return The parsed local date time object.
 * @throws PSQLException If binary format could not be parsed.
 */
public LocalDateTime toLocalDateTimeBin(TimeZone tz, byte[] bytes) throws PSQLException {
 ParsedBinaryTimestamp parsedTimestamp = this.toParsedTimestampBin(tz, bytes, true);
 if (parsedTimestamp.infinity == Infinity.POSITIVE) {
  return LocalDateTime.MAX;
 } else if (parsedTimestamp.infinity == Infinity.NEGATIVE) {
  return LocalDateTime.MIN;
 }
 return LocalDateTime.ofEpochSecond(parsedTimestamp.millis / 1000L, parsedTimestamp.nanos, ZoneOffset.UTC);
}
//JCP! endif

代码示例来源：origin: yu199195/Raincat

/**
 * 将当前时区时间转成UTC时间.
 *
 * @param dateTime 时间
 * @return LocalDateTime
 */
public static LocalDateTime toUTCDateTime(final LocalDateTime dateTime) {
  if (dateTime == null) {
    return null;
  } else {
    Instant instant = dateTime.toInstant(DEFAULT_ZONE.getRules().getOffset(dateTime));
    return LocalDateTime.ofEpochSecond(instant.getEpochSecond(), instant.getNano(), ZoneOffset.UTC);
  }
}

代码示例来源：origin: debezium/debezium

protected Object convertTimestampWithZone(Column column, Field fieldDefn, Object data) {
  if (!(data instanceof DateTimeOffset)) {
    return super.convertTimestampWithZone(column, fieldDefn, data);
  }
  final DateTimeOffset dto = (DateTimeOffset)data;
  // Timestamp is provided in UTC time
  final Timestamp utc = dto.getTimestamp();
  final ZoneOffset offset = ZoneOffset.ofTotalSeconds(dto.getMinutesOffset() * 60);
  return super.convertTimestampWithZone(column, fieldDefn, LocalDateTime.ofEpochSecond(utc.getTime() / 1000, utc.getNanos(), offset).atOffset(offset));
}

代码示例来源：origin: prestodb/presto

if (DATE.equals(originalType)) {
  SqlDate date = (SqlDate) originalType.getObjectValue(connectorSession, block, position);
  LocalDateTime ldt = LocalDateTime.ofEpochSecond(TimeUnit.DAYS.toSeconds(date.getDays()), 0, ZoneOffset.UTC);
  byte[] bytes = ldt.format(DateTimeFormatter.ISO_LOCAL_DATE).getBytes(StandardCharsets.UTF_8);
  row.addStringUtf8(destChannel, bytes);

代码示例来源：origin: awslabs/aws-serverless-java-container

dateFormat.format(
    ZonedDateTime.of(
        LocalDateTime.ofEpochSecond(gatewayContext.getRequestTimeEpoch() / 1000, 0, ZoneOffset.UTC),
        ZoneId.systemDefault()

代码示例来源：origin: debezium/debezium

long c3Seconds = c3.getTime() / 1000;
long c3Millis = c3.getTime() % 1000;
LocalDateTime c3DateTime = LocalDateTime.ofEpochSecond(c3Seconds,
                            (int) TimeUnit.MILLISECONDS.toNanos(c3Millis),
                            ZoneOffset.UTC);

代码示例来源：origin: novoda/spikes

private static LocalDateTime convertToLocalDateTime(String lastResponseEpochTime) {
    int decimalSplit = lastResponseEpochTime.indexOf(".");
    Long epochSecond = Long.valueOf(lastResponseEpochTime.substring(0, decimalSplit));
    Integer nanoOfSecond = Integer.valueOf(lastResponseEpochTime.substring(decimalSplit + 1));
    ZoneOffset timezone = ZoneOffset.UTC;
    return LocalDateTime.ofEpochSecond(epochSecond, nanoOfSecond, timezone);
  }
}

代码示例来源：origin: novoda/spikes

private LocalDateTime convertToLocalDateTime(String lastResponseEpochTime) {
  int decimalSplit = lastResponseEpochTime.indexOf(".");
  Long epochSecond = Long.valueOf(lastResponseEpochTime.substring(0, decimalSplit));
  Integer nanoOfSecond = Integer.valueOf(lastResponseEpochTime.substring(decimalSplit + 1));
  ZoneOffset timezone = ZoneOffset.UTC;
  return LocalDateTime.ofEpochSecond(epochSecond, nanoOfSecond, timezone);
}

代码示例来源：origin: jzyong/game-server

/**
 * 获取一个带时间偏移量和时区的LocalDateTime
 *
 * @return
 */
public static LocalDateTime getLocalDateTime() {
  long currentTimeMillis = currentTimeMillis();
  return LocalDateTime.ofEpochSecond(currentTimeMillis / 1000, 0, ZONE_OFFSET);
}

代码示例来源：origin: jzyong/game-server

/**
 * 获取一个带时间偏移量和时区的LocalDate
 *
 * @return
 */
public static LocalDate getLocalDate() {
  long currentTimeMillis = currentTimeMillis();
  LocalDateTime ldt = LocalDateTime.ofEpochSecond(currentTimeMillis / 1000, 0, ZONE_OFFSET);
  return ldt.toLocalDate();
}

代码示例来源：origin: org.neo4j/neo4j-kernel

@Override
public Object read( ReadableClosableChannel from ) throws IOException
{
  return LocalDateTime.ofEpochSecond( from.getLong(), from.getInt(), UTC );
}

代码示例来源：origin: org.neo4j.driver/neo4j-java-driver

private Value unpackLocalDateTime() throws IOException
{
  long epochSecondUtc = unpacker.unpackLong();
  int nano = Math.toIntExact( unpacker.unpackLong() );
  return value( LocalDateTime.ofEpochSecond( epochSecondUtc, nano, UTC ) );
}

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