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.

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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

@ -32,7 +32,6 @@ import com.google.appengine.tools.cloudstorage.GcsService;
import com.google.appengine.tools.cloudstorage.GcsServiceFactory;
import com.google.appengine.tools.cloudstorage.RetryParams;
import com.google.appengine.tools.mapreduce.Mapper;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.googlecode.objectify.VoidWork;
@ -60,6 +59,7 @@ import google.registry.util.SystemClock;
import google.registry.xjc.JaxbFragment;
import google.registry.xjc.rdedomain.XjcRdeDomain;
import google.registry.xjc.rdedomain.XjcRdeDomainElement;
import java.util.Optional;
import javax.inject.Inject;
import org.joda.money.Money;
import org.joda.time.DateTime;