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

@ -24,7 +24,6 @@ import static google.registry.util.DateTimeUtils.earliestOf;
import static google.registry.util.DateTimeUtils.isBeforeOrAt;
import static google.registry.util.DateTimeUtils.leapSafeAddYears;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableSet;
import com.googlecode.objectify.Key;
import com.googlecode.objectify.annotation.EntitySubclass;
@ -41,6 +40,7 @@ import google.registry.model.registry.Registry;
import google.registry.model.transfer.TransferData;
import google.registry.model.transfer.TransferStatus;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import javax.annotation.Nullable;
import org.joda.time.DateTime;
@ -174,7 +174,7 @@ public class DomainResource extends DomainBase
@Override
public final TransferData getTransferData() {
return Optional.fromNullable(transferData).or(TransferData.EMPTY);
return Optional.ofNullable(transferData).orElse(TransferData.EMPTY);
}
@Override
@ -328,7 +328,7 @@ public class DomainResource extends DomainBase
return earliestOf(
leapSafeAddYears(
currentExpirationTime,
Optional.fromNullable(extendedRegistrationYears).or(0)),
Optional.ofNullable(extendedRegistrationYears).orElse(0)),
leapSafeAddYears(now, MAX_REGISTRATION_YEARS));
}