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 google.registry.cron.CommitLogFanoutAction.BUCKET_PARAM;
import static google.registry.testing.TaskQueueHelper.assertTasksEnqueued;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import google.registry.model.ofy.CommitLogBucket;
import google.registry.testing.AppEngineRule;
import google.registry.testing.ExceptionRule;
@ -27,6 +26,7 @@ import google.registry.util.Retrier;
import google.registry.util.TaskEnqueuer;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
@ -61,7 +61,7 @@ public class CommitLogFanoutActionTest {
action.taskEnqueuer = new TaskEnqueuer(new Retrier(null, 1));
action.endpoint = ENDPOINT;
action.queue = QUEUE;
action.jitterSeconds = Optional.absent();
action.jitterSeconds = Optional.empty();
action.run();
List<TaskMatcher> matchers = new ArrayList<>();
for (int bucketId : CommitLogBucket.getBucketIds()) {