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Switch from Guava Optionals to Java 8 Optionals

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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
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5
javatests/google/registry/monitoring/metrics/MetricExporterTest.java
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@ -15,15 +15,16 @@
package google.registry.monitoring.metrics;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth8.assertThat;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.util.concurrent.Service.State;
import java.io.IOException;
import java.util.Optional;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Executors;
@ -44,7 +45,7 @@ public class MetricExporterTest {
@Mock private MetricPoint<?> point;
private MetricExporter exporter;
private BlockingQueue<Optional<ImmutableList<MetricPoint<?>>>> writeQueue;
private final Optional<ImmutableList<MetricPoint<?>>> poisonPill = Optional.absent();
private final Optional<ImmutableList<MetricPoint<?>>> poisonPill = Optional.empty();
private final Optional<ImmutableList<MetricPoint<?>>> emptyBatch =
Optional.of(ImmutableList.<MetricPoint<?>>of());