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/*
 *  Copyright 2001-2005 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 org.joda.time;

/**
 * Defines an instant in time that can be queried and modified using datetime fields.
 * 

* The implementation of this interface will be mutable. * It may provide more advanced methods than those in the interface. *

* Methods in your application should be defined using ReadWritableDateTime * as a parameter if the method wants to manipulate and change a date in simple ways. * * @author Stephen Colebourne * @author Brian S O'Neill * @since 1.0 */ public interface ReadWritableDateTime extends ReadableDateTime, ReadWritableInstant { //----------------------------------------------------------------------- /** * Set the year to the specified value. * * @param year the year * @throws IllegalArgumentException if the value is invalid */ void setYear(int year); /** * Add a number of years to the date. * * @param years the years to add * @throws IllegalArgumentException if the value is invalid */ void addYears(int years); //----------------------------------------------------------------------- /** * Set the weekyear to the specified value. * * @param weekyear the weekyear * @throws IllegalArgumentException if the value is invalid */ void setWeekyear(int weekyear); /** * Add a number of weekyears to the date. * * @param weekyears the weekyears to add * @throws IllegalArgumentException if the value is invalid */ void addWeekyears(int weekyears); //----------------------------------------------------------------------- /** * Set the month of the year to the specified value. * * @param monthOfYear the month of the year * @throws IllegalArgumentException if the value is invalid */ void setMonthOfYear(int monthOfYear); /** * Add a number of months to the date. * * @param months the months to add * @throws IllegalArgumentException if the value is invalid */ void addMonths(int months); //----------------------------------------------------------------------- /** * Set the week of weekyear to the specified value. * * @param weekOfWeekyear the week of the weekyear * @throws IllegalArgumentException if the value is invalid */ void setWeekOfWeekyear(int weekOfWeekyear); /** * Add a number of weeks to the date. * * @param weeks the weeks to add * @throws IllegalArgumentException if the value is invalid */ void addWeeks(int weeks); //----------------------------------------------------------------------- /** * Set the day of year to the specified value. * * @param dayOfYear the day of the year * @throws IllegalArgumentException if the value is invalid */ void setDayOfYear(int dayOfYear); /** * Set the day of the month to the specified value. * * @param dayOfMonth the day of the month * @throws IllegalArgumentException if the value is invalid */ void setDayOfMonth(int dayOfMonth); /** * Set the day of week to the specified value. * * @param dayOfWeek the day of the week * @throws IllegalArgumentException if the value is invalid */ void setDayOfWeek(int dayOfWeek); /** * Add a number of days to the date. * * @param days the days to add * @throws IllegalArgumentException if the value is invalid */ void addDays(int days); //----------------------------------------------------------------------- /** * Set the hour of the day to the specified value. * * @param hourOfDay the hour of day * @throws IllegalArgumentException if the value is invalid */ void setHourOfDay(int hourOfDay); /** * Add a number of hours to the date. * * @param hours the hours to add * @throws IllegalArgumentException if the value is invalid */ void addHours(int hours); //----------------------------------------------------------------------- /** * Set the minute of the day to the specified value. * * @param minuteOfDay the minute of day * @throws IllegalArgumentException if the value is invalid */ void setMinuteOfDay(int minuteOfDay); /** * Set the minute of the hour to the specified value. * * @param minuteOfHour the minute of hour * @throws IllegalArgumentException if the value is invalid */ void setMinuteOfHour(int minuteOfHour); /** * Add a number of minutes to the date. * * @param minutes the minutes to add * @throws IllegalArgumentException if the value is invalid */ void addMinutes(int minutes); //----------------------------------------------------------------------- /** * Set the second of the day to the specified value. * * @param secondOfDay the second of day * @throws IllegalArgumentException if the value is invalid */ void setSecondOfDay(int secondOfDay); /** * Set the second of the minute to the specified value. * * @param secondOfMinute the second of minute * @throws IllegalArgumentException if the value is invalid */ void setSecondOfMinute(int secondOfMinute); /** * Add a number of seconds to the date. * * @param seconds the seconds to add * @throws IllegalArgumentException if the value is invalid */ void addSeconds(int seconds); //----------------------------------------------------------------------- /** * Set the millis of the day to the specified value. * * @param millisOfDay the millis of day * @throws IllegalArgumentException if the value is invalid */ void setMillisOfDay(int millisOfDay); /** * Set the millis of the second to the specified value. * * @param millisOfSecond the millis of second * @throws IllegalArgumentException if the value is invalid */ void setMillisOfSecond(int millisOfSecond); /** * Add a number of milliseconds to the date. The implementation of this * method differs from the {@link #add(long)} method in that a * DateTimeField performs the addition. * * @param millis the milliseconds to add * @throws IllegalArgumentException if the value is invalid */ void addMillis(int millis); /** * Set the date from fields. * The time part of this object will be unaffected. * * @param year the year * @param monthOfYear the month of the year * @param dayOfMonth the day of the month * @throws IllegalArgumentException if any value is invalid */ void setDate(int year, int monthOfYear, int dayOfMonth); /** * Set the time from fields. * The date part of this object will be unaffected. * * @param hour the hour * @param minuteOfHour the minute of the hour * @param secondOfMinute the second of the minute * @param millisOfSecond the millisecond of the second * @throws IllegalArgumentException if any value is invalid */ void setTime(int hour, int minuteOfHour, int secondOfMinute, int millisOfSecond); /** * Set the date and time from fields. * * @param year the year * @param monthOfYear the month of the year * @param dayOfMonth the day of the month * @param hourOfDay the hour of the day * @param minuteOfHour the minute of the hour * @param secondOfMinute the second of the minute * @param millisOfSecond the millisecond of the second * @throws IllegalArgumentException if any value is invalid */ void setDateTime( int year, int monthOfYear, int dayOfMonth, int hourOfDay, int minuteOfHour, int secondOfMinute, int millisOfSecond); }





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