/*
* -----------------------------------------------------------------------
* Copyright © 2013-2016 Meno Hochschild, <http://www.menodata.de/>
* -----------------------------------------------------------------------
* This file (IntegerDateElement.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.ChronoEntity;
import net.time4j.engine.ChronoFunction;
import net.time4j.engine.ChronoOperator;
import net.time4j.format.NumericalElement;
import java.io.InvalidObjectException;
import java.io.ObjectStreamException;
import java.math.BigDecimal;
/**
* <p>Allgemeines verstellbares chronologisches Element auf Integer-Basis. </p>
*
* @author Meno Hochschild
* @doctags.concurrency {immutable}
*/
final class IntegerDateElement
extends AbstractDateElement<Integer>
implements ProportionalElement<Integer, PlainDate>, NumericalElement<Integer> {
//~ Statische Felder/Initialisierungen --------------------------------
/** Element-Index */
static final int YEAR = 14;
/** Element-Index */
static final int MONTH = 15;
/** Element-Index */
static final int DAY_OF_MONTH = 16;
/** Element-Index */
static final int DAY_OF_YEAR = 17;
/** Element-Index */
static final int DAY_OF_QUARTER = 18;
private static final long serialVersionUID = -1337148214680014674L;
//~ Instanzvariablen --------------------------------------------------
private transient final int ruleIndex;
private transient final Integer defaultMin;
private transient final Integer defaultMax;
private transient final char symbol;
private transient final ChronoFunction<ChronoEntity<?>, BigDecimal> rf;
//~ Konstruktoren -----------------------------------------------------
private IntegerDateElement(
String name,
int ruleIndex,
Integer defaultMin,
Integer defaultMax,
char symbol
) {
super(name);
this.ruleIndex = ruleIndex;
this.defaultMin = defaultMin;
this.defaultMax = defaultMax;
this.symbol = symbol;
this.rf = new ProportionalFunction(this, false);
}
//~ Methoden ----------------------------------------------------------
@Override
public Class<Integer> getType() {
return Integer.class;
}
@Override
public char getSymbol() {
return this.symbol;
}
@Override
public Integer getDefaultMinimum() {
return this.defaultMin;
}
@Override
public Integer getDefaultMaximum() {
return this.defaultMax;
}
@Override
public boolean isDateElement() {
return true;
}
@Override
public boolean isTimeElement() {
return false;
}
@Override
public int numerical(Integer value) {
return value.intValue();
}
@Override
public ChronoFunction<ChronoEntity<?>, BigDecimal> ratio() {
return this.rf;
}
@Override
public ChronoOperator<PlainDate> roundedUp(int stepwidth) {
return new RoundingOperator<>(
this,
Boolean.TRUE,
stepwidth
);
}
@Override
public ChronoOperator<PlainDate> roundedHalf(int stepwidth) {
return new RoundingOperator<>(
this,
null,
stepwidth
);
}
@Override
public ChronoOperator<PlainDate> roundedDown(int stepwidth) {
return new RoundingOperator<>(
this,
Boolean.FALSE,
stepwidth
);
}
@Override
protected boolean isSingleton() {
return true; // exists only once per name in PlainDate
}
/**
* <p>Liefert einen Zugriffsindex zur Optimierung der Elementsuche. </p>
*
* @return int
*/
int getRuleIndex() {
return this.ruleIndex;
}
/**
* <p>Erzeugt ein neues Datumselement. </p>
*
* @param name name of element
* @param index index of element
* @param dmin default minimum
* @param dmax default maximum
* @param symbol format symbol
* @return new element instance
*/
static IntegerDateElement create(
String name,
int index,
int dmin,
int dmax,
char symbol
) {
return new IntegerDateElement(
name,
index,
Integer.valueOf(dmin),
Integer.valueOf(dmax),
symbol
);
}
private Object readResolve() throws ObjectStreamException {
Object element = PlainDate.lookupElement(this.name());
if (element == null) {
throw new InvalidObjectException(this.name());
} else {
return element;
}
}
}