Switch from Guava Optionals to Java 8 Optionals

This was a surprisingly involved change. Some of the difficulties included
java.util.Optional purposely not being Serializable (so I had to move a
few Optionals in mapreduce classes to @Nullable) and having to add the Truth
Java8 extension library for assertion support.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171863777
This commit is contained in:
mcilwain 2017-10-11 13:09:26 -07:00 committed by jianglai
parent 184b2b56ac
commit c0f8da0c6e
581 changed files with 1325 additions and 932 deletions

View file

@ -21,7 +21,6 @@ import static google.registry.util.CollectionUtils.nullToEmptyImmutableCopy;
import static google.registry.util.DateTimeUtils.START_OF_TIME;
import static google.registry.util.DomainNameUtils.canonicalizeDomainName;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableSet;
import com.googlecode.objectify.Key;
import com.googlecode.objectify.annotation.Entity;
@ -35,6 +34,7 @@ import google.registry.model.annotations.ReportedOn;
import google.registry.model.domain.DomainResource;
import google.registry.model.transfer.TransferData;
import java.net.InetAddress;
import java.util.Optional;
import java.util.Set;
import javax.annotation.Nullable;
import org.joda.time.DateTime;
@ -146,9 +146,9 @@ public class HostResource extends EppResource implements ForeignKeyedEppResource
superordinateDomain != null
&& Key.create(superordinateDomain).equals(getSuperordinateDomain()));
DateTime lastSuperordinateChange =
Optional.fromNullable(getLastSuperordinateChange()).or(getCreationTime());
Optional.ofNullable(getLastSuperordinateChange()).orElse(getCreationTime());
DateTime lastTransferOfCurrentSuperordinate =
Optional.fromNullable(superordinateDomain.getLastTransferTime()).or(START_OF_TIME);
Optional.ofNullable(superordinateDomain.getLastTransferTime()).orElse(START_OF_TIME);
return (lastSuperordinateChange.isBefore(lastTransferOfCurrentSuperordinate))
? superordinateDomain.getLastTransferTime()
: getLastTransferTime();