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

@ -17,7 +17,6 @@ package google.registry.testing;
import static com.google.common.truth.Truth.assertAbout;
import static google.registry.util.PreconditionsUtils.checkArgumentNotNull;
import com.google.common.base.Optional;
import com.google.common.truth.FailureStrategy;
import com.google.common.truth.Subject;
import com.google.common.truth.SubjectFactory;
@ -25,6 +24,7 @@ import google.registry.model.eppoutput.Result.Code;
import google.registry.monitoring.whitebox.EppMetric;
import google.registry.testing.TruthChainer.And;
import java.util.Objects;
import java.util.Optional;
import javax.annotation.Nullable;
/** Utility methods for asserting things about {@link EppMetric} instances. */