Examples of java.time.temporal.TemporalField

java.time.temporal.TemporalField
A field of date-time, such as month-of-year or hour-of-minute.
Date and time is expressed using fields which partition the time-line into something meaningful for humans. Implementations of this interface represent those fields.
The most commonly used units are defined in {@link ChronoField}. Further fields are supplied in {@link IsoFields}, {@link WeekFields} and {@link JulianFields}. Fields can also be written by application code by implementing this interface.
The field works using double dispatch. Client code calls methods on a date-time like {@code LocalDateTime} which check if the field is a {@code ChronoField}. If it is, then the date-time must handle it. Otherwise, the method call is re-dispatched to the matching method in this interface. @implSpec This interface must be implemented with care to ensure other classes operate correctly. All implementations that can be instantiated must be final, immutable and thread-safe. Implementations should be {@code Serializable} where possible.An enum is as effective implementation choice. @since 1.8

         * @return the formatter, not null
         * @throws IllegalArgumentException if the formatter cannot be found
         */
        private DateTimePrinterParser printerParser(Locale locale) {
            WeekFields weekDef = WeekFields.of(locale);
            TemporalField field = null;
            switch (chr) {
                case 'Y':
                    field = weekDef.weekBasedYear();
                    if (count == 2) {
                        return new ReducedPrinterParser(field, 2, 2, 0, ReducedPrinterParser.BASE_DATE, 0);

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        if (fieldValues.size() > 0) {
            int changedCount = 0;
            outer:
            while (changedCount < 50) {
                for (Map.Entry<TemporalField, Long> entry : fieldValues.entrySet()) {
                    TemporalField targetField = entry.getKey();
                    TemporalAccessor resolvedObject = targetField.resolve(fieldValues, this, resolverStyle);
                    if (resolvedObject != null) {
                        if (resolvedObject instanceof ChronoZonedDateTime) {
                            ChronoZonedDateTime<?> czdt = (ChronoZonedDateTime<?>) resolvedObject;
                            if (zone == null) {
                                zone = czdt.getZone();

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        }


        // validate remaining
        if (resolverStyle != ResolverStyle.LENIENT && fieldValues.size() > 0) {
            for (Entry<TemporalField, Long> entry : fieldValues.entrySet()) {
                TemporalField field = entry.getKey();
                if (field instanceof ChronoField && field.isTimeBased()) {
                    ((ChronoField) field).checkValidValue(entry.getValue());
                }
            }
        }
    }

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    }


    private void crossCheck(TemporalAccessor target) {
        for (Iterator<Entry<TemporalField, Long>> it = fieldValues.entrySet().iterator(); it.hasNext(); ) {
            Entry<TemporalField, Long> entry = it.next();
            TemporalField field = entry.getKey();
            if (target.isSupported(field)) {
                long val1;
                try {
                    val1 = target.getLong(field);
                } catch (RuntimeException ex) {

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Related Classes of java.time.temporal.TemporalField

java.time.format.DateTimeFormatterBuilder$WeekBasedFieldPrinterParser

java.time.format.DateTimeFormatterBuilder

java.time.format.Parsed

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