| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.vxquery.datamodel.accessors.atomic; |
| |
| import org.apache.vxquery.datamodel.api.IDate; |
| import org.apache.vxquery.datamodel.api.ITimezone; |
| |
| import org.apache.hyracks.api.dataflow.value.ITypeTraits; |
| import org.apache.hyracks.data.std.api.AbstractPointable; |
| import org.apache.hyracks.data.std.api.IPointable; |
| import org.apache.hyracks.data.std.api.IPointableFactory; |
| import org.apache.hyracks.data.std.primitive.BytePointable; |
| import org.apache.hyracks.data.std.primitive.ShortPointable; |
| |
| /** |
| * The date is split up into five sections. Due to leap year, we have decided to keep the |
| * storage simple by saving each date section separately. For calculations you can access |
| * YearMonth (months) and DayTime (milliseconds) values. |
| * The date pointable is also used for GDay, GMonth, GYear, GDayMonth and GMonthYear. |
| * |
| * @author prestoncarman |
| */ |
| public class XSDatePointable extends AbstractPointable implements IDate, ITimezone { |
| public final static int YEAR_OFFSET = 0; |
| public final static int MONTH_OFFSET = 2; |
| public final static int DAY_OFFSET = 3; |
| public final static int TIMEZONE_HOUR_OFFSET = 4; |
| public final static int TIMEZONE_MINUTE_OFFSET = 5; |
| // CHRONON_OF_DAY is used to convert days into milliseconds. |
| private final static long CHRONON_OF_DAY = 24 * 60 * 60 * 1000; |
| |
| public static final ITypeTraits TYPE_TRAITS = new ITypeTraits() { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public boolean isFixedLength() { |
| return true; |
| } |
| |
| @Override |
| public int getFixedLength() { |
| return 6; |
| } |
| }; |
| |
| public static final IPointableFactory FACTORY = new IPointableFactory() { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public IPointable createPointable() { |
| return new XSDatePointable(); |
| } |
| |
| @Override |
| public ITypeTraits getTypeTraits() { |
| return TYPE_TRAITS; |
| } |
| }; |
| |
| public void setDate(long year, long month, long day, long timezoneHour, long timezoneMinute) { |
| setDate(bytes, start, year, month, day, timezoneHour, timezoneMinute); |
| } |
| |
| public static void setDate(byte[] bytes, int start, long year, long month, long day, long timezoneHour, |
| long timezoneMinute) { |
| ShortPointable.setShort(bytes, start + YEAR_OFFSET, (short) year); |
| BytePointable.setByte(bytes, start + MONTH_OFFSET, (byte) month); |
| BytePointable.setByte(bytes, start + DAY_OFFSET, (byte) day); |
| BytePointable.setByte(bytes, start + TIMEZONE_HOUR_OFFSET, (byte) timezoneHour); |
| BytePointable.setByte(bytes, start + TIMEZONE_MINUTE_OFFSET, (byte) timezoneMinute); |
| } |
| |
| @Override |
| public long getYear() { |
| return getYear(bytes, start); |
| } |
| |
| public static long getYear(byte[] bytes, int start) { |
| return (long) ShortPointable.getShort(bytes, start + YEAR_OFFSET); |
| } |
| |
| @Override |
| public long getMonth() { |
| return getMonth(bytes, start); |
| } |
| |
| public static long getMonth(byte[] bytes, int start) { |
| return (long) BytePointable.getByte(bytes, start + MONTH_OFFSET); |
| } |
| |
| @Override |
| public long getDay() { |
| return getDay(bytes, start); |
| } |
| |
| public static long getDay(byte[] bytes, int start) { |
| return (long) BytePointable.getByte(bytes, start + DAY_OFFSET); |
| } |
| |
| @Override |
| public long getTimezoneHour() { |
| return getTimezoneHour(bytes, start); |
| } |
| |
| public static long getTimezoneHour(byte[] bytes, int start) { |
| return (long) BytePointable.getByte(bytes, start + TIMEZONE_HOUR_OFFSET); |
| } |
| |
| @Override |
| public long getTimezoneMinute() { |
| return getTimezoneMinute(bytes, start); |
| } |
| |
| public static long getTimezoneMinute(byte[] bytes, int start) { |
| return (long) BytePointable.getByte(bytes, start + TIMEZONE_MINUTE_OFFSET); |
| } |
| |
| @Override |
| public long getTimezone() { |
| return getTimezone(bytes, start); |
| } |
| |
| public static long getTimezone(byte[] bytes, int start) { |
| return (getTimezoneHour(bytes, start) * 60 + getTimezoneMinute(bytes, start)); |
| } |
| |
| @Override |
| public long getYearMonth() { |
| return getYearMonth(bytes, start); |
| } |
| |
| public static long getYearMonth(byte[] bytes, int start) { |
| return (getYear(bytes, start) * 12 + getMonth(bytes, start)); |
| } |
| |
| @Override |
| public long getDayTime() { |
| return getDayTime(bytes, start); |
| } |
| |
| public static long getDayTime(byte[] bytes, int start) { |
| return getDay(bytes, start) * CHRONON_OF_DAY; |
| } |
| |
| } |