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## org.apache.xmlbeans
Interface GDateSpecification

All Known Implementing Classes:
  GDate, GDateBuilder

public interface GDateSpecification

Represents an XML Schema-compatible Gregorian date.

Both the immutable GDate and the mutable GDateBuilder are GDateSpecifications. Use this interface where you want to allow callers to pass any implementation of a GDate.

See Also:
  `GDate`, `XmlCalendar`

Field Summary
`static int` | `HAS_DAY` Day of month is specified.
`static int` | `HAS_MONTH` Month of year is specified.
`static int` | `HAS_TIME` Time of day is specified.
`static int` | `HAS_TIMEZONE` Timezone is specified.
`static int` | `HAS_YEAR` Year is specified.

Method Summary
`String` | `canonicalString()` The canonical string representation.
`int` | `compareToGDate(GDateSpecification gdatespec)` Comparison to another GDate.
`int` | `getBuiltinTypeCode()` Returns the builtin type code for the shape of the information contained in this instance, or 0 if the instance doesn't contain information corresponding to a Schema type.
`XmlCalendar` | `getCalendar()` Retrieves the value of the current time as an `XmlCalendar`.
`Date` | `getDate()` Retrieves the value of the current time as a java.util.Date instance.
`int` | `getDay()` Gets the day-of-month.
`int` | `getFlags()` Returns a combination of flags indicating the information contained by this GDate.
`BigDecimal` | `getFraction()` Gets the fraction-of-second.
`int` | `getHour()` Gets the hour-of-day.
`int` | `getJulianDate()` Returns the Julian date corresponding to this Gregorian date.
`int` | `getMillisecond()` Gets the rounded millisecond value.
`int` | `getMinute()` Gets the minute-of-hour.
`int` | `getMonth()` Gets the month-of-year.
`int` | `getSecond()` Gets the second-of-minute.
`int` | `getTimeZoneHour()` Gets the time zone hour.
`int` | `getTimeZoneMinute()` Gets the time zone minutes.
`int` | `getTimeZoneSign()` Gets the time zone sign.
`int` | `getYear()` Gets the year.
`boolean` | `hasDate()` True if this date/time specification specifies a full date (year, month, day)
`boolean` | `hasDay()` True if this date/time specification specifies a day-of-month.
`boolean` | `hasMonth()` True if this date/time specification specifies a month-of-year.
`boolean` | `hasTime()` True if this date/time specification specifies a time-of-day.
`boolean` | `hasTimeZone()` True if this date/time specification specifies a timezone.
`boolean` | `hasYear()` True if this date/time specification specifies a year.
`boolean` | `isImmutable()` True if this GDate specification is immutable.
`boolean` | `isValid()` True if this GDate corresponds to a valid gregorian date value in XML schema.
`String` | `toString()` The natural string representation.

Field Detail

### HAS_TIMEZONE

    public static final int HAS_TIMEZONE

  Timezone is specified. See `getFlags()`.

  See Also:
    Constant Field Values

### HAS_YEAR

    public static final int HAS_YEAR

  Year is specified. See `getFlags()`.

  See Also:
    Constant Field Values

### HAS_MONTH

    public static final int HAS_MONTH

  Month of year is specified. See `getFlags()`.

  See Also:
    Constant Field Values

### HAS_DAY

    public static final int HAS_DAY

  Day of month is specified. See `getFlags()`.

  See Also:
    Constant Field Values

### HAS_TIME

    public static final int HAS_TIME

  Time of day is specified. See `getFlags()`.

  See Also:
    Constant Field Values

Method Detail

### getFlags

    public int getFlags()

  Returns a combination of flags indicating the information contained by this GDate. The five flags are `HAS_TIMEZONE`, `HAS_YEAR`, `HAS_MONTH`, `HAS_DAY`, and `HAS_TIME`.

### isImmutable

    public boolean isImmutable()

  True if this GDate specification is immutable. GDate returns true, and GDateBuilder returns false.

### isValid

    public boolean isValid()

  True if this GDate corresponds to a valid gregorian date value in XML schema.

### hasTimeZone

    public boolean hasTimeZone()

  True if this date/time specification specifies a timezone.

### hasYear

    public boolean hasYear()

  True if this date/time specification specifies a year.

### hasMonth

    public boolean hasMonth()

  True if this date/time specification specifies a month-of-year.

### hasDay

    public boolean hasDay()

  True if this date/time specification specifies a day-of-month.

### hasTime

    public boolean hasTime()

  True if this date/time specification specifies a time-of-day.

### hasDate

    public boolean hasDate()

  True if this date/time specification specifies a full date (year, month, day)

### getYear

    public int getYear()

  Gets the year. Should be a four-digit year specification.

### getMonth

    public int getMonth()

  Gets the month-of-year. January is 1.

### getDay

    public int getDay()

  Gets the day-of-month. The first day of each month is 1.

### getHour

    public int getHour()

  Gets the hour-of-day. Midnight is 0, and 11PM is 23.

### getMinute

    public int getMinute()

  Gets the minute-of-hour. Range from 0 to 59.

### getSecond

    public int getSecond()

  Gets the second-of-minute. Range from 0 to 59.

### getTimeZoneSign

    public int getTimeZoneSign()

  Gets the time zone sign. For time zones east of GMT, this is positive; for time zones west, this is negative.

### getTimeZoneHour

    public int getTimeZoneHour()

  Gets the time zone hour. This is always positive: for the sign, look at getTimeZoneSign().

### getTimeZoneMinute

    public int getTimeZoneMinute()

  Gets the time zone minutes. This is always positive: for the sign, look at getTimeZoneSign().

### getFraction

    public BigDecimal getFraction()

  Gets the fraction-of-second. Range from 0 (inclusive) to 1 (exclusive).

### getMillisecond

    public int getMillisecond()

  Gets the rounded millisecond value. Range from 0 to 999

### getJulianDate

    public int getJulianDate()

  Returns the Julian date corresponding to this Gregorian date. The Julian date (JD) is a continuous count of days from 1 January 4713 BC.

### getCalendar

    public XmlCalendar getCalendar()

  Retrieves the value of the current time as an `XmlCalendar`.

  `XmlCalendar` is a subclass of `GregorianCalendar` which is slightly customized to match XML schema date rules.

  The returned `XmlCalendar` has only those time and date fields set that are reflected in the GDate object. Because of the way the `Calendar` contract works, any information in the isSet() vanishes as soon as you view any unset field using get() methods. This means that if it is important to understand which date fields are set, you must call isSet() first before get().

### getDate

    public Date getDate()

  Retrieves the value of the current time as a java.util.Date instance.

### compareToGDate

    public int compareToGDate(GDateSpecification gdatespec)

  Comparison to another GDate.
  - Returns -1 if this < date. (less-than)
  - Returns 0 if this == date. (equal)
  - Returns 1 if this > date. (greater-than)
  - Returns 2 if this <> date. (incomparable)
  Two instances are incomparable if they have different amounts of information.

  Parameters:
    `gdatespec` - the date to compare against.

### getBuiltinTypeCode

    public int getBuiltinTypeCode()

  Returns the builtin type code for the shape of the information contained in this instance, or 0 if the instance doesn't contain information corresponding to a Schema type.

  Value will be equal to `SchemaType.BTC_NOT_BUILTIN`, `SchemaType.BTC_G_YEAR`, `SchemaType.BTC_G_YEAR_MONTH`, `SchemaType.BTC_G_MONTH`, `SchemaType.BTC_G_MONTH_DAY`, `SchemaType.BTC_G_DAY`, `SchemaType.BTC_DATE`, `SchemaType.BTC_DATE_TIME`, or `SchemaType.BTC_TIME`.

### canonicalString

    public String canonicalString()

  The canonical string representation. Specific moments or times-of-day in a specified timezone are normalized to UTC time to produce a canonical string form for them. Other recurring time specifications keep their timezone information.

### toString

    public String toString()

  The natural string representation. This represents the information that is available, including timezone. For types that correspond to defined schema types (schemaBuiltinTypeCode() > 0), this provides the natural lexical representation. When both time and timezone are specified, this string is not the canonical representation unless the timezone is UTC (Z) (since the same moment in time can be expressed in different timezones). To get a canonical string, use the canonicalString() method.

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