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java - Convert OffsetDateTime to UTC Timestamp

I have an java.time.OffsetDateTime which I would like to convert to a java.sql.Timestamp. Since Timestamp doesn't store any offset information, I am going to store all dates/times in the database as UTC.

How do I convert the OffsetDateTime to a Timestamp which is in UTC?

EDIT:

I believe this is the answer but it seems are rather convoluted way to covert to UTC:

OffsetDateTime dateTime = OffsetDateTime.now();
Timestamp timestamp = Timestamp.valueOf(dateTime.atZoneSameInstant(ZoneId.of("Z")).toLocalDateTime());
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This would be a way to do the conversion and ensure UTC is used. That I think is a little cleaner than solution proposed using the epoch seconds.

Timestamp test = Timestamp.valueOf(entityValue.atZoneSameInstant(ZoneOffset.UTC).toLocalDateTime());

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