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

@ -18,7 +18,6 @@ import static com.google.common.collect.Iterables.getOnlyElement;
import static com.google.common.collect.MoreCollectors.onlyElement;
import static google.registry.util.DateTimeUtils.END_OF_TIME;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.googlecode.objectify.Key;
@ -38,6 +37,7 @@ import google.registry.model.transfer.TransferData;
import google.registry.model.transfer.TransferData.TransferServerApproveEntity;
import google.registry.model.transfer.TransferResponse.DomainTransferResponse;
import google.registry.model.transfer.TransferStatus;
import java.util.Optional;
import javax.annotation.Nullable;
import org.joda.money.Money;
import org.joda.time.DateTime;
@ -135,11 +135,10 @@ public final class DomainTransferUtils {
registry,
transferCost.get()));
}
createOptionalAutorenewCancellation(
automaticTransferTime, historyEntry, targetId, existingDomain, transferCost)
.ifPresent(builder::add);
return builder
.addAll(
createOptionalAutorenewCancellation(
automaticTransferTime, historyEntry, targetId, existingDomain, transferCost)
.asSet())
.add(
createGainingClientAutorenewEvent(
serverApproveNewExpirationTime, historyEntry, targetId, gainingClientId))
@ -273,7 +272,7 @@ public final class DomainTransferUtils {
.setEventTime(automaticTransferTime)
.build());
}
return Optional.absent();
return Optional.empty();
}
private static BillingEvent.OneTime createTransferBillingEvent(