Class Timestamp.Builder

  • All Implemented Interfaces:
    MessageLite.Builder, MessageLiteOrBuilder, TimestampOrBuilder, java.lang.Cloneable
    Enclosing class:
    Timestamp

    public static final class Timestamp.Builder
    extends GeneratedMessageLite.Builder<Timestamp,​Timestamp.Builder>
    implements TimestampOrBuilder
     A Timestamp represents a point in time independent of any time zone or local
     calendar, encoded as a count of seconds and fractions of seconds at
     nanosecond resolution. The count is relative to an epoch at UTC midnight on
     January 1, 1970, in the proleptic Gregorian calendar which extends the
     Gregorian calendar backwards to year one.
     All minutes are 60 seconds long. Leap seconds are "smeared" so that no leap
     second table is needed for interpretation, using a [24-hour linear
     smear](https://developers.google.com/time/smear).
     The range is from 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z. By
     restricting to that range, we ensure that we can convert to and from [RFC
     3339](https://www.ietf.org/rfc/rfc3339.txt) date strings.
     # Examples
     Example 1: Compute Timestamp from POSIX `time()`.
         Timestamp timestamp;
         timestamp.set_seconds(time(NULL));
         timestamp.set_nanos(0);
     Example 2: Compute Timestamp from POSIX `gettimeofday()`.
         struct timeval tv;
         gettimeofday(&tv, NULL);
         Timestamp timestamp;
         timestamp.set_seconds(tv.tv_sec);
         timestamp.set_nanos(tv.tv_usec * 1000);
     Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
         FILETIME ft;
         GetSystemTimeAsFileTime(&ft);
         UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
         // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
         // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
         Timestamp timestamp;
         timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
         timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
     Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
         long millis = System.currentTimeMillis();
         Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
             .setNanos((int) ((millis % 1000) * 1000000)).build();
     Example 5: Compute Timestamp from current time in Python.
         timestamp = Timestamp()
         timestamp.GetCurrentTime()
     # JSON Mapping
     In JSON format, the Timestamp type is encoded as a string in the
     [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) format. That is, the
     format is "{year}-{month}-{day}T{hour}:{min}:{sec}[.{frac_sec}]Z"
     where {year} is always expressed using four digits while {month}, {day},
     {hour}, {min}, and {sec} are zero-padded to two digits each. The fractional
     seconds, which can go up to 9 digits (i.e. up to 1 nanosecond resolution),
     are optional. The "Z" suffix indicates the timezone ("UTC"); the timezone
     is required. A proto3 JSON serializer should always use UTC (as indicated by
     "Z") when printing the Timestamp type and a proto3 JSON parser should be
     able to accept both UTC and other timezones (as indicated by an offset).
     For example, "2017-01-15T01:30:15.01Z" encodes 15.01 seconds past
     01:30 UTC on January 15, 2017.
     In JavaScript, one can convert a Date object to this format using the
     standard
     [toISOString()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString)
     method. In Python, a standard `datetime.datetime` object can be converted
     to this format using
     [`strftime`](https://docs.python.org/2/library/time.html#time.strftime) with
     the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one can use
     the Joda Time's [`ISODateTimeFormat.dateTime()`](
     http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime%2D%2D
     ) to obtain a formatter capable of generating timestamps in this format.
     
    Protobuf type google.protobuf.Timestamp
    • Constructor Detail

      • Builder

        private Builder()
    • Method Detail

      • getSeconds

        public long getSeconds()
         Represents seconds of UTC time since Unix epoch
         1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
         9999-12-31T23:59:59Z inclusive.
         
        int64 seconds = 1;
        Specified by:
        getSeconds in interface TimestampOrBuilder
        Returns:
        The seconds.
      • setSeconds

        public Timestamp.Builder setSeconds​(long value)
         Represents seconds of UTC time since Unix epoch
         1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
         9999-12-31T23:59:59Z inclusive.
         
        int64 seconds = 1;
        Parameters:
        value - The seconds to set.
        Returns:
        This builder for chaining.
      • clearSeconds

        public Timestamp.Builder clearSeconds()
         Represents seconds of UTC time since Unix epoch
         1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
         9999-12-31T23:59:59Z inclusive.
         
        int64 seconds = 1;
        Returns:
        This builder for chaining.
      • getNanos

        public int getNanos()
         Non-negative fractions of a second at nanosecond resolution. Negative
         second values with fractions must still have non-negative nanos values
         that count forward in time. Must be from 0 to 999,999,999
         inclusive.
         
        int32 nanos = 2;
        Specified by:
        getNanos in interface TimestampOrBuilder
        Returns:
        The nanos.
      • setNanos

        public Timestamp.Builder setNanos​(int value)
         Non-negative fractions of a second at nanosecond resolution. Negative
         second values with fractions must still have non-negative nanos values
         that count forward in time. Must be from 0 to 999,999,999
         inclusive.
         
        int32 nanos = 2;
        Parameters:
        value - The nanos to set.
        Returns:
        This builder for chaining.
      • clearNanos

        public Timestamp.Builder clearNanos()
         Non-negative fractions of a second at nanosecond resolution. Negative
         second values with fractions must still have non-negative nanos values
         that count forward in time. Must be from 0 to 999,999,999
         inclusive.
         
        int32 nanos = 2;
        Returns:
        This builder for chaining.