software.xdev.vaadin.daterange_picker.business.DateRange Maven / Gradle / Ivy
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/*
* Copyright © 2020 XDEV Software (https://xdev.software)
*
* 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 software.xdev.vaadin.daterange_picker.business;
import java.time.LocalDate;
import java.time.Period;
import java.util.Optional;
public interface DateRange
{
/**
* Returns the identification key, e.g. DAY, MONTH, etc
* @return identification key
*/
String getKey();
/**
* Returns the {@link Period} to move the date, if any
* @return {@link Period} to move the date
*/
Optional getOptMovePeriod();
/**
* Retunns the default description, e.g. "Day" or "Half year"
* @return default description
*/
String getDefaultDescription();
/**
* Trys to return the calculated {@link DateRangeResult} for the supplied date
* @param date date that is used for calculation
* @return calculated {@link DateRangeResult}
*/
Optional calcFor(LocalDate date);
/**
* Trys to return a moved {@link DateRangeResult}
* @param baseDate Date that is used as a base
* @param dif Count of moves
* @return moved {@link DateRangeResult}
*/
Optional moveDateRange(LocalDate baseDate, int dif);
/**
* Returns if the {@link DateRange} is movable
* Example:
*
* -
false for TODAY
* -
true for MONTH
* -
false for FREE
*
* @return if the {@link DateRange} is movable
*/
boolean isMovable();
/**
* Returns if the {@link DateRange} is calcable
* Example:
*
* -
true for TODAY
* -
true for MONTH
* -
false for FREE
*
* @return if the {@link DateRange} is calcable
*/
boolean isCalcable();
/**
* Returns if the {@link DateRange} is settable from a date
* Example:
*
* -
false for TODAY
* -
true for MONTH
* -
true for FREE
*
* @return if the {@link DateRange} is settable from a date
*/
boolean isSettable();
}