| /* |
| * 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 java.util.Calendar; |
| import java.util.TimeZone; |
| |
| import org.apache.vxquery.datamodel.api.IDate; |
| import org.apache.vxquery.datamodel.api.ITime; |
| import org.apache.vxquery.datamodel.api.ITimezone; |
| import org.apache.vxquery.datamodel.util.DateTime; |
| |
| 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.IntegerPointable; |
| import org.apache.hyracks.data.std.primitive.ShortPointable; |
| |
| /** |
| * The datetime is split up into eight sections. Due to leap year, we have decided to keep the |
| * storage simple by saving each datetime section separately. For calculations you can access |
| * YearMonth (months) and DayTime (milliseconds) values. |
| */ |
| public class XSDateTimePointable extends AbstractPointable implements IDate, ITime, ITimezone { |
| public static final int YEAR_OFFSET = 0; |
| public static final int MONTH_OFFSET = 2; |
| public static final int DAY_OFFSET = 3; |
| public static final int HOUR_OFFSET = 4; |
| public static final int MINUTE_OFFSET = 5; |
| public static final int MILLISECOND_OFFSET = 6; |
| public static final int TIMEZONE_HOUR_OFFSET = 10; |
| public static final int TIMEZONE_MINUTE_OFFSET = 11; |
| |
| 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 12; |
| } |
| }; |
| |
| public static final IPointableFactory FACTORY = new IPointableFactory() { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public IPointable createPointable() { |
| return new XSDateTimePointable(); |
| } |
| |
| @Override |
| public ITypeTraits getTypeTraits() { |
| return TYPE_TRAITS; |
| } |
| }; |
| |
| public void setCurrentDateTime() { |
| Calendar cal = Calendar.getInstance(); |
| TimeZone tz = cal.getTimeZone(); |
| int year = cal.get(Calendar.YEAR); |
| int month = cal.get(Calendar.MONTH); |
| int day = cal.get(Calendar.DAY_OF_MONTH); |
| int ms = cal.get(Calendar.MILLISECOND); |
| int tzOffsetInMs = tz.getOffset(cal.get(Calendar.ERA), year, month, day, cal.get(Calendar.DAY_OF_WEEK), ms); |
| int tzOffsetInMin = tzOffsetInMs / 1000 / 60; |
| setDateTime(year, month + 1L, day, cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE), |
| cal.get(Calendar.SECOND) * 1000L + ms, tzOffsetInMin / 60L, tzOffsetInMin % 60); |
| } |
| |
| public void setDateTime(long year, long month, long day, long hour, long minute, long milliSecond, |
| long timezoneHour, long timezoneMinute) { |
| setDateTime(bytes, start, year, month, day, hour, minute, milliSecond, timezoneHour, timezoneMinute); |
| } |
| |
| public static void setDateTime(byte[] bytes, int start, long year, long month, long day, long hour, long minute, |
| long milliSecond, 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 + HOUR_OFFSET, (byte) hour); |
| BytePointable.setByte(bytes, start + MINUTE_OFFSET, (byte) minute); |
| IntegerPointable.setInteger(bytes, start + MILLISECOND_OFFSET, (int) milliSecond); |
| 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 getHour() { |
| return getHour(bytes, start); |
| } |
| |
| public static long getHour(byte[] bytes, int start) { |
| return (long) BytePointable.getByte(bytes, start + HOUR_OFFSET); |
| } |
| |
| @Override |
| public long getMinute() { |
| return getMinute(bytes, start); |
| } |
| |
| public static long getMinute(byte[] bytes, int start) { |
| return (long) BytePointable.getByte(bytes, start + MINUTE_OFFSET); |
| } |
| |
| @Override |
| public long getMilliSecond() { |
| return getMilliSecond(bytes, start); |
| } |
| |
| public static long getMilliSecond(byte[] bytes, int start) { |
| return (long) IntegerPointable.getInteger(bytes, start + MILLISECOND_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) * DateTime.CHRONON_OF_DAY + getHour(bytes, start) * DateTime.CHRONON_OF_HOUR |
| + getMinute(bytes, start) * DateTime.CHRONON_OF_MINUTE + getMilliSecond(bytes, start); |
| } |
| |
| @Override |
| public String toString() { |
| return toString(bytes, start); |
| } |
| |
| public static String toString(byte[] bytes, int start) { |
| final long millis = getMilliSecond(bytes, start); |
| String timezone = ""; |
| if (getTimezoneHour(bytes, start) != DateTime.TIMEZONE_HOUR_NULL |
| && getTimezoneMinute(bytes, start) != DateTime.TIMEZONE_MINUTE_NULL) { |
| timezone = (getTimezoneHour(bytes, start) < 0 || getTimezoneMinute(bytes, start) < 0 ? "" : "+") |
| + getTimezoneHour(bytes, start) + ":" + getTimezoneMinute(bytes, start); |
| } |
| return getYear(bytes, start) + "-" + getMonth(bytes, start) + "-" + getDay(bytes, start) + "T" |
| + getHour(bytes, start) + ":" + getMinute(bytes, start) + ":" + millis / 1000 + "." + millis % 1000 |
| + timezone; |
| } |
| |
| } |