org.elasticsearch.common.rounding.DateTimeUnit Maven / Gradle / Ivy
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* 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
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* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.common.rounding;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.joda.Joda;
import org.joda.time.DateTimeField;
import org.joda.time.chrono.ISOChronology;
/**
*
*/
public enum DateTimeUnit {
WEEK_OF_WEEKYEAR( (byte) 1, ISOChronology.getInstanceUTC().weekOfWeekyear()),
YEAR_OF_CENTURY( (byte) 2, ISOChronology.getInstanceUTC().yearOfCentury()),
QUARTER( (byte) 3, Joda.QuarterOfYear.getField(ISOChronology.getInstanceUTC())),
MONTH_OF_YEAR( (byte) 4, ISOChronology.getInstanceUTC().monthOfYear()),
DAY_OF_MONTH( (byte) 5, ISOChronology.getInstanceUTC().dayOfMonth()),
HOUR_OF_DAY( (byte) 6, ISOChronology.getInstanceUTC().hourOfDay()),
MINUTES_OF_HOUR( (byte) 7, ISOChronology.getInstanceUTC().minuteOfHour()),
SECOND_OF_MINUTE( (byte) 8, ISOChronology.getInstanceUTC().secondOfMinute());
private final byte id;
private final DateTimeField field;
private DateTimeUnit(byte id, DateTimeField field) {
this.id = id;
this.field = field;
}
public byte id() {
return id;
}
public DateTimeField field() {
return field;
}
public static DateTimeUnit resolve(byte id) {
switch (id) {
case 1: return WEEK_OF_WEEKYEAR;
case 2: return YEAR_OF_CENTURY;
case 3: return QUARTER;
case 4: return MONTH_OF_YEAR;
case 5: return DAY_OF_MONTH;
case 6: return HOUR_OF_DAY;
case 7: return MINUTES_OF_HOUR;
case 8: return SECOND_OF_MINUTE;
default: throw new ElasticsearchException("Unknown date time unit id [" + id + "]");
}
}
}