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

@ -30,7 +30,6 @@ import com.google.appengine.api.taskqueue.TaskOptions;
import com.google.appengine.api.taskqueue.TaskOptions.Method;
import com.google.appengine.api.taskqueue.dev.QueueStateInfo.TaskStateInfo;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.ImmutableSet;
@ -47,6 +46,7 @@ import google.registry.util.TaskEnqueuer;
import java.util.ArrayList;
import java.util.List;
import java.util.Map.Entry;
import java.util.Optional;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.Duration;
@ -106,7 +106,7 @@ public class ReadDnsQueueActionTest {
action.dnsQueue = dnsQueue;
action.dnsPublishPushQueue = QueueFactory.getQueue(DNS_PUBLISH_PUSH_QUEUE_NAME);
action.taskEnqueuer = new TaskEnqueuer(new Retrier(null, 1));
action.jitterSeconds = Optional.absent();
action.jitterSeconds = Optional.empty();
action.keepTasks = keepTasks;
// Advance the time a little, to ensure that leaseTasks() returns all tasks.
clock.setTo(DateTime.now(DateTimeZone.UTC).plusMillis(1));