/*
* -----------------------------------------------------------------------
* Copyright © 2013-2016 Meno Hochschild, <http://www.menodata.de/>
* -----------------------------------------------------------------------
* This file (AbstractDateElement.java) is part of project Time4J.
*
* Time4J is free software: You can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* Time4J is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Time4J. If not, see <http://www.gnu.org/licenses/>.
* -----------------------------------------------------------------------
*/
package net.time4j;
import net.time4j.engine.ChronoFunction;
import net.time4j.format.DisplayElement;
import net.time4j.tz.TZID;
import net.time4j.tz.Timezone;
import net.time4j.tz.ZonalOffset;
/**
* <p>Abstrakte Basisklasse für Datumselemente, die bereits alle
* Methoden des Interface {@code AdjustableElement} vordefiniert. </p>
*
* @param <V> generic type of element values
* @author Meno Hochschild
*/
abstract class AbstractDateElement<V extends Comparable<V>>
extends DisplayElement<V>
implements AdjustableElement<V, PlainDate> {
//~ Instanzvariablen --------------------------------------------------
private transient final ElementOperator<PlainDate> minimizer;
private transient final ElementOperator<PlainDate> maximizer;
//~ Konstruktoren -----------------------------------------------------
AbstractDateElement(String name) {
super(name);
this.minimizer = new DateOperator(this, ElementOperator.OP_MINIMIZE);
this.maximizer = new DateOperator(this, ElementOperator.OP_MAXIMIZE);
}
//~ Methoden ----------------------------------------------------------
@Override
public ElementOperator<PlainDate> newValue(V value) {
return new DateOperator(this, ElementOperator.OP_NEW_VALUE, value);
}
@Override
public ElementOperator<PlainDate> minimized() {
return this.minimizer;
}
@Override
public ElementOperator<PlainDate> maximized() {
return this.maximizer;
}
@Override
public ElementOperator<PlainDate> decremented() {
return new DateOperator(this, ElementOperator.OP_DECREMENT);
}
@Override
public ElementOperator<PlainDate> incremented() {
return new DateOperator(this, ElementOperator.OP_INCREMENT);
}
@Override
public ElementOperator<PlainDate> atFloor() {
return new DateOperator(this, ElementOperator.OP_FLOOR);
}
@Override
public ElementOperator<PlainDate> atCeiling() {
return new DateOperator(this, ElementOperator.OP_CEILING);
}
public ElementOperator<PlainDate> setLenient(V value) {
return new DateOperator(this, ElementOperator.OP_LENIENT, value);
}
@Override
public ChronoFunction<Moment, V> inStdTimezone() {
return this.in(Timezone.ofSystem());
}
@Override
public ChronoFunction<Moment, V> inTimezone(TZID tzid) {
return this.in(Timezone.of(tzid));
}
@Override
public ChronoFunction<Moment, V> in(Timezone tz) {
return new ZonalQuery<>(this, tz);
}
@Override
public ChronoFunction<Moment, V> atUTC() {
return this.at(ZonalOffset.UTC);
}
@Override
public ChronoFunction<Moment, V> at(ZonalOffset offset) {
return new ZonalQuery<>(this, offset);
}
}