public final class Durations
Utilities to help create/manipulate protobuf/duration.proto
. All operations throw an
IllegalArgumentException if the input(s) are not valid.
Static Fields
MAX_VALUE
public static final Duration MAX_VALUE
A constant holding the maximum valid Duration, approximately +10,000
years.
MIN_VALUE
public static final Duration MIN_VALUE
A constant holding the minimum valid Duration, approximately -10,000
years.
ZERO
public static final Duration ZERO
A constant holding the duration of zero.
Static Methods
add(Duration d1, Duration d2)
public static Duration add(Duration d1, Duration d2)
checkNotNegative(Duration duration)
public static Duration checkNotNegative(Duration duration)
Ensures that the given Duration is not negative.
Parameter |
Name |
Description |
duration |
Duration
|
checkPositive(Duration duration)
public static Duration checkPositive(Duration duration)
Ensures that the given Duration is positive.
Parameter |
Name |
Description |
duration |
Duration
|
checkValid(Duration duration)
public static Duration checkValid(Duration duration)
Throws an IllegalArgumentException if the given Duration is not valid.
Parameter |
Name |
Description |
duration |
Duration
|
checkValid(Duration.Builder durationBuilder)
public static Duration checkValid(Duration.Builder durationBuilder)
Builds the given builder and throws an IllegalArgumentException if it is not valid. See
#checkValid(Duration).
comparator()
public static Comparator<Duration> comparator()
Returns a Comparator for Durations which sorts in increasing chronological
order. Nulls and invalid Durations are not allowed (see #isValid). The returned
comparator is serializable.
compare(Duration x, Duration y)
public static int compare(Duration x, Duration y)
Compares two durations. The value returned is identical to what would be returned by:
Durations.comparator().compare(x, y)
.
Returns |
Type |
Description |
int |
the value 0 if x == y ; a value less than 0 if x < y ;
and a value greater than 0 if x > y
|
fromDays(long days)
public static Duration fromDays(long days)
Create a Duration from the number of days.
Parameter |
Name |
Description |
days |
long
|
fromHours(long hours)
public static Duration fromHours(long hours)
Create a Duration from the number of hours.
Parameter |
Name |
Description |
hours |
long
|
fromMicros(long microseconds)
public static Duration fromMicros(long microseconds)
Create a Duration from the number of microseconds.
Parameter |
Name |
Description |
microseconds |
long
|
fromMillis(long milliseconds)
public static Duration fromMillis(long milliseconds)
Create a Duration from the number of milliseconds.
Parameter |
Name |
Description |
milliseconds |
long
|
fromMinutes(long minutes)
public static Duration fromMinutes(long minutes)
Create a Duration from the number of minutes.
Parameter |
Name |
Description |
minutes |
long
|
fromNanos(long nanoseconds)
public static Duration fromNanos(long nanoseconds)
Create a Duration from the number of nanoseconds.
Parameter |
Name |
Description |
nanoseconds |
long
|
fromSeconds(long seconds)
public static Duration fromSeconds(long seconds)
Create a Duration from the number of seconds.
Parameter |
Name |
Description |
seconds |
long
|
isNegative(Duration duration)
public static boolean isNegative(Duration duration)
Returns whether the given Duration is negative or not.
Parameter |
Name |
Description |
duration |
Duration
|
isPositive(Duration duration)
public static boolean isPositive(Duration duration)
Returns whether the given Duration is positive or not.
Parameter |
Name |
Description |
duration |
Duration
|
isValid(Duration duration)
public static boolean isValid(Duration duration)
Returns true if the given Duration is valid. The seconds
value must be in the
range [-315,576,000,000, +315,576,000,000]. The nanos
value must be in the range
[-999,999,999, +999,999,999].
Note: Durations less than one second are represented with a 0 seconds
field
and a positive or negative nanos
field. For durations of one second or more, a non-zero
value for the nanos
field must be of the same sign as the seconds
field.
Parameter |
Name |
Description |
duration |
Duration
|
isValid(long seconds, int nanos)
public static boolean isValid(long seconds, int nanos)
Returns true if the given number of seconds and nanos is a valid Duration. The
seconds
value must be in the range [-315,576,000,000, +315,576,000,000]. The nanos
value must be in the range [-999,999,999, +999,999,999].
Note: Durations less than one second are represented with a 0 seconds
field
and a positive or negative nanos
field. For durations of one second or more, a non-zero
value for the nanos
field must be of the same sign as the seconds
field.
Parameters |
Name |
Description |
seconds |
long
|
nanos |
int
|
parse(String value)
public static Duration parse(String value)
Parse from a string to produce a duration.
Parameter |
Name |
Description |
value |
String
|
Returns |
Type |
Description |
Duration |
A Duration parsed from the string.
|
parseUnchecked(String value)
public static Duration parseUnchecked(String value)
Parameter |
Name |
Description |
value |
String
|
subtract(Duration d1, Duration d2)
public static Duration subtract(Duration d1, Duration d2)
Subtract a duration from another.
toDays(Duration duration)
public static long toDays(Duration duration)
Convert a Duration to the number of days. The result will be rounded towards 0 to the nearest
day.
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
long |
|
toHours(Duration duration)
public static long toHours(Duration duration)
Convert a Duration to the number of hours. The result will be rounded towards 0 to the nearest
hour.
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
long |
|
toMicros(Duration duration)
public static long toMicros(Duration duration)
Convert a Duration to the number of microseconds. The result will be rounded towards 0 to the
nearest microseconds. E.g., if the duration represents -1 nanosecond, it will be rounded to 0.
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
long |
|
toMillis(Duration duration)
public static long toMillis(Duration duration)
Convert a Duration to the number of milliseconds. The result will be rounded towards 0 to the
nearest millisecond. E.g., if the duration represents -1 nanosecond, it will be rounded to 0.
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
long |
|
toMinutes(Duration duration)
public static long toMinutes(Duration duration)
Convert a Duration to the number of minutes. The result will be rounded towards 0 to the
nearest minute.
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
long |
|
toNanos(Duration duration)
public static long toNanos(Duration duration)
Convert a Duration to the number of nanoseconds.
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
long |
|
toSeconds(Duration duration)
public static long toSeconds(Duration duration)
Convert a Duration to the number of seconds. The result will be rounded towards 0 to the
nearest second. E.g., if the duration represents -1 nanosecond, it will be rounded to 0.
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
long |
|
toSecondsAsDouble(Duration duration)
public static double toSecondsAsDouble(Duration duration)
Returns the number of seconds of the given duration as a double
. This method should be
used to accommodate APIs that only accept durations as double
values.
This conversion may lose precision.
If you need the number of seconds in this duration as a long
(not a double
),
simply use duration.getSeconds()
or #toSeconds (which includes validation).
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
double |
|
toString(Duration duration)
public static String toString(Duration duration)
Convert Duration to string format. The string format will contains 3, 6, or 9 fractional digits
depending on the precision required to represent the exact Duration value. For example: "1s",
"1.010s", "1.000000100s", "-3.100s" The range that can be represented by Duration is from
-315,576,000,000 to +315,576,000,000 inclusive (in seconds).
Parameter |
Name |
Description |
duration |
Duration
|
Returns |
Type |
Description |
String |
The string representation of the given duration.
|