com.facebook.presto.testing.DateTimeTestingUtils.java Source code

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Here is the source code for com.facebook.presto.testing.DateTimeTestingUtils.java

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/*
 * Licensed 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 com.facebook.presto.testing;

import com.facebook.presto.Session;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.type.SqlTime;
import com.facebook.presto.spi.type.SqlTimestamp;
import com.facebook.presto.spi.type.TimeZoneKey;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;

import static com.facebook.presto.util.DateTimeZoneIndex.getDateTimeZone;
import static java.lang.Math.toIntExact;
import static java.time.ZoneOffset.UTC;
import static java.util.concurrent.TimeUnit.DAYS;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

public final class DateTimeTestingUtils {
    private DateTimeTestingUtils() {
    }

    public static SqlTimestamp sqlTimestampOf(int year, int monthOfYear, int dayOfMonth, int hourOfDay,
            int minuteOfHour, int secondOfMinute, int millisOfSecond, Session session) {
        return sqlTimestampOf(year, monthOfYear, dayOfMonth, hourOfDay, minuteOfHour, secondOfMinute,
                millisOfSecond, getDateTimeZone(session.getTimeZoneKey()), session.getTimeZoneKey(),
                session.toConnectorSession());
    }

    public static SqlTimestamp sqlTimestampOf(int year, int monthOfYear, int dayOfMonth, int hourOfDay,
            int minuteOfHour, int secondOfMinute, int millisOfSecond, DateTimeZone baseZone,
            TimeZoneKey timestampZone, ConnectorSession session) {
        if (session.isLegacyTimestamp()) {
            return new SqlTimestamp(new DateTime(year, monthOfYear, dayOfMonth, hourOfDay, minuteOfHour,
                    secondOfMinute, millisOfSecond, baseZone).getMillis(), timestampZone);
        }
        return sqlTimestampOf(LocalDateTime.of(year, monthOfYear, dayOfMonth, hourOfDay, minuteOfHour,
                secondOfMinute, millisToNanos(millisOfSecond)));
    }

    /**
     * Constructs standard (non-legacy) TIMESTAMP value corresponding to argument
     */
    public static SqlTimestamp sqlTimestampOf(LocalDateTime dateTime) {
        return new SqlTimestamp(DAYS.toMillis(dateTime.toLocalDate().toEpochDay())
                + NANOSECONDS.toMillis(dateTime.toLocalTime().toNanoOfDay()));
    }

    public static SqlTimestamp sqlTimestampOf(DateTime dateTime, Session session) {
        return sqlTimestampOf(dateTime, session.toConnectorSession());
    }

    private static SqlTimestamp sqlTimestampOf(DateTime dateTime, ConnectorSession session) {
        return sqlTimestampOf(dateTime.getMillis(), session);
    }

    public static SqlTimestamp sqlTimestampOf(long millis, ConnectorSession session) {
        if (session.isLegacyTimestamp()) {
            return new SqlTimestamp(millis, session.getTimeZoneKey());
        } else {
            return new SqlTimestamp(millis);
        }
    }

    public static SqlTime sqlTimeOf(int hourOfDay, int minuteOfHour, int secondOfMinute, int millisOfSecond,
            Session session) {
        LocalTime time = LocalTime.of(hourOfDay, minuteOfHour, secondOfMinute, millisToNanos(millisOfSecond));
        return sqlTimeOf(time, session);
    }

    public static SqlTime sqlTimeOf(LocalTime time, Session session) {
        if (session.toConnectorSession().isLegacyTimestamp()) {
            long millisUtc = LocalDate.ofEpochDay(0).atTime(time).atZone(UTC)
                    .withZoneSameLocal(ZoneId.of(session.getTimeZoneKey().getId())).toInstant().toEpochMilli();
            return new SqlTime(millisUtc, session.getTimeZoneKey());
        }
        return new SqlTime(NANOSECONDS.toMillis(time.toNanoOfDay()));
    }

    private static int millisToNanos(int millisOfSecond) {
        return toIntExact(MILLISECONDS.toNanos(millisOfSecond));
    }
}