com.facebook.presto.jdbc.internal.joda.time.chrono.GJYearOfEraDateTimeField Maven / Gradle / Ivy
/*
* Copyright 2001-2013 Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.jdbc.internal.joda.time.chrono;
import com.facebook.presto.jdbc.internal.joda.time.DateTimeField;
import com.facebook.presto.jdbc.internal.joda.time.DateTimeFieldType;
import com.facebook.presto.jdbc.internal.joda.time.DurationField;
import com.facebook.presto.jdbc.internal.joda.time.ReadablePartial;
import com.facebook.presto.jdbc.internal.joda.time.field.DecoratedDateTimeField;
import com.facebook.presto.jdbc.internal.joda.time.field.FieldUtils;
/**
* Provides time calculations for the year of era component of time.
*
* @author Brian S O'Neill
* @since 1.0
*/
final class GJYearOfEraDateTimeField extends DecoratedDateTimeField {
@SuppressWarnings("unused")
private static final long serialVersionUID = -5961050944769862059L;
private final BasicChronology iChronology;
/**
* Restricted constructor.
*/
GJYearOfEraDateTimeField(DateTimeField yearField, BasicChronology chronology) {
super(yearField, DateTimeFieldType.yearOfEra());
iChronology = chronology;
}
@Override
public DurationField getRangeDurationField() {
return iChronology.eras();
}
public int get(long instant) {
int year = getWrappedField().get(instant);
if (year <= 0) {
year = 1 - year;
}
return year;
}
public long add(long instant, int years) {
return getWrappedField().add(instant, years);
}
public long add(long instant, long years) {
return getWrappedField().add(instant, years);
}
public long addWrapField(long instant, int years) {
return getWrappedField().addWrapField(instant, years);
}
public int[] addWrapField(ReadablePartial instant, int fieldIndex, int[] values, int years) {
return getWrappedField().addWrapField(instant, fieldIndex, values, years);
}
public int getDifference(long minuendInstant, long subtrahendInstant) {
return getWrappedField().getDifference(minuendInstant, subtrahendInstant);
}
public long getDifferenceAsLong(long minuendInstant, long subtrahendInstant) {
return getWrappedField().getDifferenceAsLong(minuendInstant, subtrahendInstant);
}
/**
* Set the year component of the specified time instant.
*
* @param instant the time instant in millis to update.
* @param year the year (0,292278994) to update the time to.
* @return the updated time instant.
* @throws IllegalArgumentException if year is invalid.
*/
public long set(long instant, int year) {
FieldUtils.verifyValueBounds(this, year, 1, getMaximumValue());
if (iChronology.getYear(instant) <= 0) {
year = 1 - year;
}
return super.set(instant, year);
}
public int getMinimumValue() {
return 1;
}
public int getMaximumValue() {
return getWrappedField().getMaximumValue();
}
public long roundFloor(long instant) {
return getWrappedField().roundFloor(instant);
}
public long roundCeiling(long instant) {
return getWrappedField().roundCeiling(instant);
}
public long remainder(long instant) {
return getWrappedField().remainder(instant);
}
/**
* Serialization singleton
*/
private Object readResolve() {
return iChronology.yearOfEra();
}
}
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