org.apache.hudi.common.util

Class DateTimeUtils

java.lang.Object

org.apache.hudi.common.util.DateTimeUtils

public class DateTimeUtils
extends Object

Utils for Hudi instant time.

Constructor Summary

Constructors

Constructor and Description
DateTimeUtils()

Method Summary

Modifier and Type	Method and Description
static String	formatUnixTimestamp(long unixTimestamp, String timeFormat) Convert UNIX_TIMESTAMP to string in given format.
static long	instantToMicros(Instant instant) Converts provided Instant to microseconds (from epoch)
static Instant	microsToInstant(long microsFromEpoch) Converts provided microseconds (from epoch) to Instant
static Instant	parseDateTime(String s) Parse input String to a Instant.
static Duration	parseDuration(String text) Parse the given string to a java Duration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DateTimeUtils

public DateTimeUtils()

Method Detail

microsToInstant

public static Instant microsToInstant(long microsFromEpoch)

Converts provided microseconds (from epoch) to Instant

instantToMicros

public static long instantToMicros(Instant instant)

Converts provided Instant to microseconds (from epoch)

parseDateTime

public static Instant parseDateTime(String s)
                             throws DateTimeParseException

Parse input String to a Instant.

Parameters:

s - Input String should be Epoch time in millisecond or ISO-8601 format.

Throws:

DateTimeParseException

parseDuration

public static Duration parseDuration(String text)

Parse the given string to a java Duration. The string is in format "{length value}{time unit label}", e.g. "123ms", "321 s". If no time unit label is specified, it will be considered as milliseconds.

Supported time unit labels are:

• DAYS： "d", "day"
• HOURS： "h", "hour"
• MINUTES： "min", "minute"
• SECONDS： "s", "sec", "second"
• MILLISECONDS： "ms", "milli", "millisecond"
• MICROSECONDS： "µs", "micro", "microsecond"
• NANOSECONDS： "ns", "nano", "nanosecond"

Parameters:

text - string to parse.

formatUnixTimestamp

public static String formatUnixTimestamp(long unixTimestamp,
                                         String timeFormat)

Convert UNIX_TIMESTAMP to string in given format.

Parameters:

unixTimestamp - UNIX_TIMESTAMP

timeFormat - string time format