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

@ -15,6 +15,7 @@
package google.registry.export;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth8.assertThat;
import static google.registry.export.CheckSnapshotAction.CHECK_SNAPSHOT_KINDS_TO_LOAD_PARAM;
import static google.registry.export.CheckSnapshotAction.CHECK_SNAPSHOT_NAME_PARAM;
import static google.registry.testing.TaskQueueHelper.assertNoTasksEnqueued;
@ -23,7 +24,6 @@ import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import google.registry.request.Action.Method;
@ -36,6 +36,7 @@ import google.registry.testing.FakeClock;
import google.registry.testing.FakeResponse;
import google.registry.testing.InjectRule;
import google.registry.testing.TaskQueueHelper.TaskMatcher;
import java.util.Optional;
import org.joda.time.DateTime;
import org.joda.time.Duration;
import org.junit.Before;
@ -88,7 +89,7 @@ public class CheckSnapshotActionTest {
new DatastoreBackupInfo(
backupInfo.getName(),
backupInfo.getStartTime(),
Optional.<DateTime>absent(),
Optional.<DateTime>empty(),
backupInfo.getKinds(),
backupInfo.getGcsFilename());