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#Java - Code Snippets for '#Internal implementation' - 5 code snippet(s) found

 Sample 1. Internal Implementation of ChronoField

public enum ChronoField implements TemporalField {
NANO_OF_SECOND("NanoOfSecond", NANOS, SECONDS, ValueRange.of(0, 999_999_999)),
NANO_OF_DAY("NanoOfDay", NANOS, DAYS, ValueRange.of(0, 86400L * 1000_000_000L - 1)),
MICRO_OF_SECOND("MicroOfSecond", MICROS, SECONDS, ValueRange.of(0, 999_999)),
MICRO_OF_DAY("MicroOfDay", MICROS, DAYS, ValueRange.of(0, 86400L * 1000_000L - 1)),
MILLI_OF_SECOND("MilliOfSecond", MILLIS, SECONDS, ValueRange.of(0, 999)),
MILLI_OF_DAY("MilliOfDay", MILLIS, DAYS, ValueRange.of(0, 86400L * 1000L - 1)),
SECOND_OF_MINUTE("SecondOfMinute", SECONDS, MINUTES, ValueRange.of(0, 59), "second"),
SECOND_OF_DAY("SecondOfDay", SECONDS, DAYS, ValueRange.of(0, 86400L - 1)),
MINUTE_OF_HOUR("MinuteOfHour", MINUTES, HOURS, ValueRange.of(0, 59), "minute"),
MINUTE_OF_DAY("MinuteOfDay", MINUTES, DAYS, ValueRange.of(0, (24 * 60) - 1)),
HOUR_OF_AMPM("HourOfAmPm", HOURS, HALF_DAYS, ValueRange.of(0, 11)),
CLOCK_HOUR_OF_AMPM("ClockHourOfAmPm", HOURS, HALF_DAYS, ValueRange.of(1, 12)),
HOUR_OF_DAY("HourOfDay", HOURS, DAYS, ValueRange.of(0, 23), "hour"),
CLOCK_HOUR_OF_DAY("ClockHourOfDay", HOURS, DAYS, ValueRange.of(1, 24)),
AMPM_OF_DAY("AmPmOfDay", HALF_DAYS, DAYS, ValueRange.of(0, 1), "dayperiod"),
DAY_OF_WEEK("DayOfWeek", DAYS, WEEKS, ValueRange.of(1, 7), "weekday"),
ALIGNED_DAY_OF_WEEK_IN_MONTH("AlignedDayOfWeekInMonth", DAYS, WEEKS, ValueRange.of(1, 7)),
ALIGNED_DAY_OF_WEEK_IN_YEAR("AlignedDayOfWeekInYear", DAYS, WEEKS, ValueRange.of(1, 7)),
DAY_OF_MONTH("DayOfMonth", DAYS, MONTHS, ValueRange.of(1, 28, 31), "day"),
DAY_OF_YEAR("DayOfYear", DAYS, YEARS, ValueRange.of(1, 365, 366)),
EPOCH_DAY("EpochDay", DAYS, FOREVER, ValueRange.of((long) (Year.MIN_VALUE * 365.25), (long) (Year.MAX_VALUE * 365.25))),
ALIGNED_WEEK_OF_MONTH("AlignedWeekOfMonth", WEEKS, MONTHS, ValueRange.of(1, 4, 5)),
ALIGNED_WEEK_OF_YEAR("AlignedWeekOfYear", WEEKS, YEARS, ValueRange.of(1, 53)),
MONTH_OF_YEAR("MonthOfYear", MONTHS, YEARS, ValueRange.of(1, 12), "month"),
PROLEPTIC_MONTH("ProlepticMonth", MONTHS, FOREVER, ValueRange.of(Year.MIN_VALUE * 12L, Year.MAX_VALUE * 12L + 11)),
YEAR_OF_ERA("YearOfEra", YEARS, FOREVER, ValueRange.of(1, Year.MAX_VALUE, Year.MAX_VALUE + 1)),
YEAR("Year", YEARS, FOREVER, ValueRange.of(Year.MIN_VALUE, Year.MAX_VALUE), "year"),
ERA("Era", ERAS, FOREVER, ValueRange.of(0, 1), "era"),
INSTANT_SECONDS("InstantSeconds", SECONDS, FOREVER, ValueRange.of(Long.MIN_VALUE, Long.MAX_VALUE)),
OFFSET_SECONDS("OffsetSeconds", SECONDS, FOREVER, ValueRange.of(-18 * 3600, 18 * 3600));

private final String name;
private final TemporalUnit baseUnit;
private final TemporalUnit rangeUnit;
private final ValueRange range;
private final String displayNameKey;

private ChronoField(String name, TemporalUnit baseUnit, TemporalUnit rangeUnit, ValueRange range) {
this.name = name;
this.baseUnit = baseUnit;
this.rangeUnit = rangeUnit;
this.range = range;
this.displayNameKey = null;
}

private ChronoField(String name, TemporalUnit baseUnit, TemporalUnit rangeUnit,
ValueRange range, String displayNameKey) {
this.name = name;
this.baseUnit = baseUnit;
this.rangeUnit = rangeUnit;
this.range = range;
this.displayNameKey = displayNameKey;
}

@Override
public String getDisplayName(Locale locale) {
Objects.requireNonNull(locale, "locale");
if (displayNameKey == null) {
return name;
}

LocaleResources lr = LocaleProviderAdapter.getResourceBundleBased()
.getLocaleResources(locale);
ResourceBundle rb = lr.getJavaTimeFormatData();
String key = "field." + displayNameKey;
return rb.containsKey(key) ? rb.getString(key) : name;
}

@Override
public TemporalUnit getBaseUnit() {
return baseUnit;
}

@Override
public TemporalUnit getRangeUnit() {
return rangeUnit;
}

@Override
public ValueRange range() {
return range;
}

@Override
public boolean isDateBased() {
return ordinal() >= DAY_OF_WEEK.ordinal() && ordinal() <= ERA.ordinal();
}

@Override
public boolean isTimeBased() {
return ordinal() < DAY_OF_WEEK.ordinal();
}

public long checkValidValue(long value) {
return range().checkValidValue(value, this);
}

public int checkValidIntValue(long value) {
return range().checkValidIntValue(value, this);
}

@Override
public boolean isSupportedBy(TemporalAccessor temporal) {
return temporal.isSupported(this);
}

@Override
public ValueRange rangeRefinedBy(TemporalAccessor temporal) {
return temporal.range(this);
}

@Override
public long getFrom(TemporalAccessor temporal) {
return temporal.getLong(this);
}

@SuppressWarnings("unchecked")
@Override
public <R extends Temporal> R adjustInto(R temporal, long newValue) {
return (R) temporal.with(this, newValue);
}

@Override
public String toString() {
return name;
}

}

   Like      Feedback     chronofield  temporalfield  java 8  java.time.temporal.TemporalField


 Sample 2. Internal Implementation of MinguoEra

public enum MinguoEra implements Era {
BEFORE_ROC,
ROC;

public static MinguoEra of(int minguoEra) {
switch (minguoEra) {
case 0:
return BEFORE_ROC;
case 1:
return ROC;
default:
throw new DateTimeException("Invalid era: " + minguoEra);
}
}

@Override
public int getValue() {
return ordinal();
}

}

   Like      Feedback     MinguoEra  java.time  java.time.chrono  internal implementation  enum  switch  throw  exception throw


 Sample 3. Internal Implementation of java.time.chrono.era

public interface Era extends TemporalAccessor, TemporalAdjuster {
int getValue();

@Override
default boolean isSupported(TemporalField field) {
if (field instanceof ChronoField) {
return field == ERA;
}
return field != null && field.isSupportedBy(this);
}

@Override // override for Javadoc
default ValueRange range(TemporalField field) {
return TemporalAccessor.super.range(field);
}

@Override // override for Javadoc and performance
default int get(TemporalField field) {
if (field == ERA) {
return getValue();
}
return TemporalAccessor.super.get(field);
}

@Override
default long getLong(TemporalField field) {
if (field == ERA) {
return getValue();
} else if (field instanceof ChronoField) {
throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
}
return field.getFrom(this);
}

@SuppressWarnings("unchecked")
@Override
default <R> R query(TemporalQuery<R> query) {
if (query == TemporalQueries.precision()) {
return (R) ERAS;
}
return TemporalAccessor.super.query(query);
}

@Override
default Temporal adjustInto(Temporal temporal) {
return temporal.with(ERA, getValue());
}

default String getDisplayName(TextStyle style, Locale locale) {
return new DateTimeFormatterBuilder().appendText(ERA, style).toFormatter(locale).format(this);
}
}

   Like      Feedback     era  java.time.TemporalAccessor  java.time.TemporalAdjuster  java.time.chrono  default methods


 Sample 4. Internal Implementation of ArrayList#removeIf

@Override
public boolean removeIf(Predicate<? super E> filter) {
Objects.requireNonNull(filter);

int removeCount = 0;
final BitSet removeSet = new BitSet(size);
final int expectedModCount = modCount;
final int size = this.size;
for (int i=0; modCount == expectedModCount && i < size; i++) {
@SuppressWarnings("unchecked")
final E element = (E) elementData[i];
if (filter.test(element)) {
removeSet.set(i);
removeCount++;
}
}
if (modCount != expectedModCount) {
throw new ConcurrentModificationException();
}

// shift surviving elements left over the spaces left by removed elements
final boolean anyToRemove = removeCount > 0;
if (anyToRemove) {
final int newSize = size - removeCount;
for (int i=0, j=0; (i < size) && (j < newSize); i++, j++) {
i = removeSet.nextClearBit(i);
elementData[j] = elementData[i];
}
for (int k=newSize; k < size; k++) {
elementData[k] = null; // Let gc do its work
}
this.size = newSize;
if (modCount != expectedModCount) {
throw new ConcurrentModificationException();
}
modCount++;
}

return anyToRemove;
}

   Like      Feedback     Internal Implementation of ArrayList#removeIf  java.util.function.Predicate  java.util.Objects  java.util.Objects  java.util.ConcurrentModificationException.ConcurrentModificationException


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 Sample 5. Internal Implementation of BufferedReader#lines

public Stream<String> lines() {
Iterator<String> iter = new Iterator<String>() {
String nextLine = null;

@Override
public boolean hasNext() {
if (nextLine != null) {
return true;
} else {
try {
nextLine = readLine();
return (nextLine != null);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}

@Override
public String next() {
if (nextLine != null || hasNext()) {
String line = nextLine;
nextLine = null;
return line;
} else {
throw new NoSuchElementException();
}
}
};
return StreamSupport.stream(Spliterators.spliteratorUnknownSize(
iter, Spliterator.ORDERED | Spliterator.NONNULL), false);
}

   Like      Feedback     Internal Implementation of BufferedReader#lines



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