/*
* -----------------------------------------------------------------------
* Copyright © 2013-2016 Meno Hochschild, <http://www.menodata.de/>
* -----------------------------------------------------------------------
* This file (IntegerTimeElement.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 Uhrzeitelement auf Integer-Basis. </p>
*
* @author Meno Hochschild
* @doctags.concurrency {immutable}
*/
final class IntegerTimeElement
extends AbstractTimeElement<Integer>
implements ProportionalElement<Integer, PlainTime>, NumericalElement<Integer> {
//~ Statische Felder/Initialisierungen --------------------------------
/** Element-Index */
static final int CLOCK_HOUR_OF_AMPM = 1;
/** Element-Index */
static final int CLOCK_HOUR_OF_DAY = 2;
/** Element-Index */
static final int DIGITAL_HOUR_OF_AMPM = 3;
/** Element-Index */
static final int DIGITAL_HOUR_OF_DAY = 4;
/** Element-Index */
static final int ISO_HOUR = 5;
/** Element-Index */
static final int MINUTE_OF_HOUR = 6;
/** Element-Index */
static final int MINUTE_OF_DAY = 7;
/** Element-Index */
static final int SECOND_OF_MINUTE = 8;
/** Element-Index */
static final int SECOND_OF_DAY = 9;
/** Element-Index */
static final int MILLI_OF_SECOND = 10;
/** Element-Index */
static final int MICRO_OF_SECOND = 11;
/** Element-Index */
static final int NANO_OF_SECOND = 12;
/** Element-Index */
static final int MILLI_OF_DAY = 13;
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 IntegerTimeElement(
String name,
int ruleIndex,
Integer defaultMin,
Integer defaultMax,
char symbol
) {
super(name);
this.ruleIndex = ruleIndex;
this.defaultMin = defaultMin;
this.defaultMax = defaultMax;
this.symbol = symbol;
boolean extendedRange;
switch (ruleIndex) {
case ISO_HOUR:
case MINUTE_OF_DAY:
case SECOND_OF_DAY:
case MILLI_OF_DAY:
extendedRange = true;
break;
default:
extendedRange = false;
}
this.rf = new ProportionalFunction(this, extendedRange);
}
//~ 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 false;
}
@Override
public boolean isTimeElement() {
return true;
}
@Override
public int numerical(Integer value) {
return value.intValue();
}
@Override
public ChronoFunction<ChronoEntity<?>, BigDecimal> ratio() {
return this.rf;
}
@Override
public ChronoOperator<PlainTime> roundedUp(int stepwidth) {
return new RoundingOperator<>(
this,
Boolean.TRUE,
stepwidth
);
}
@Override
public ChronoOperator<PlainTime> roundedHalf(int stepwidth) {
return new RoundingOperator<>(
this,
null,
stepwidth
);
}
@Override
public ChronoOperator<PlainTime> roundedDown(int stepwidth) {
return new RoundingOperator<>(
this,
Boolean.FALSE,
stepwidth
);
}
@Override
protected boolean isSingleton() {
return true; // exists only once per name in PlainTime
}
/**
* <p>Liefert einen Zugriffsindex zur Optimierung der Elementsuche. </p>
*
* @return int
*/
int getRuleIndex() {
return this.ruleIndex;
}
/**
* <p>Erzeugt ein neues Uhrzeitelement. </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 IntegerTimeElement createTimeElement(
String name,
int index,
int dmin,
int dmax,
char symbol
) {
return new IntegerTimeElement(
name,
index,
Integer.valueOf(dmin),
Integer.valueOf(dmax),
symbol
);
}
/**
* <p>Erzeugt ein neues Uhrzeitelement auf Ziffernblattbasis. </p>
*
* @param name name of element
* @param has24Hours has the element a length of 24 hours?
* @return new element instance
*/
static IntegerTimeElement createClockElement(
String name,
boolean has24Hours
) {
return new IntegerTimeElement(
name,
(has24Hours ? CLOCK_HOUR_OF_DAY : CLOCK_HOUR_OF_AMPM),
Integer.valueOf(1),
Integer.valueOf(has24Hours ? 24 : 12),
(has24Hours ? 'k' : 'h')
);
}
private Object readResolve() throws ObjectStreamException {
Object element = PlainTime.lookupElement(this.name());
if (element == null) {
throw new InvalidObjectException(this.name());
} else {
return element;
}
}
}