com.brein.time.timeintervals.intervals.TimestampInterval Maven / Gradle / Ivy

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package com.brein.time.timeintervals.intervals;

import com.brein.time.exceptions.IllegalTimeInterval;
import com.brein.time.exceptions.IllegalTimePoint;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;

public class TimestampInterval extends LongInterval {
    public static final ZoneId UTC = ZoneId.of("UTC");

    private ZoneId timezone;

    public TimestampInterval() {
        // just for serialization
    }

    public TimestampInterval(final Long utcStart, final Long utcEnd) throws IllegalTimeInterval, IllegalTimePoint {
        this(UTC, utcStart, utcEnd);
    }

    public TimestampInterval(final ZoneId timezone,
                             final Long utcStart,
                             final Long utcEnd) throws IllegalTimeInterval, IllegalTimePoint {
        super(utcStart, utcEnd);

        this.timezone = timezone;
    }

    public ZonedDateTime getUtcStart() {
        return Instant.ofEpochSecond(getNormStart()).atZone(getTimezone());
    }

    public ZonedDateTime getUtcEnd() {
        return Instant.ofEpochSecond(getNormEnd()).atZone(UTC);
    }

    public ZonedDateTime getTimeZoneStart() {
        return Instant.ofEpochSecond(getNormStart()).atZone(getTimezone());
    }

    public ZonedDateTime getTimeZoneEnd() {
        return Instant.ofEpochSecond(getNormEnd()).atZone(getTimezone());
    }

    public long getDurationInSec() {
        return getNormStart() - getNormEnd();
    }

    public ZoneId getTimezone() {
        return timezone;
    }

    public void setTimezone(final ZoneId timezone) {
        this.timezone = timezone;
    }

    @Override
    public void writeExternal(final ObjectOutput out) throws IOException {
        super.writeExternal(out);
        out.writeObject(this.timezone);
    }

    @Override
    @SuppressWarnings("unchecked")
    public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
        super.readExternal(in);
        this.timezone = ZoneId.class.cast(in.readObject());
    }
}