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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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4
java/google/registry/tools/CreateTldCommand.java
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@ -22,7 +22,6 @@ import static google.registry.util.DateTimeUtils.START_OF_TIME;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.common.base.Optional;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedMap;
@ -30,6 +29,7 @@ import com.google.common.collect.Maps;
import google.registry.model.registry.Registry;
import google.registry.model.registry.Registry.TldState;
import java.util.Map;
import java.util.Optional;
import javax.annotation.Nullable;
import org.joda.money.CurrencyUnit;
import org.joda.money.Money;
@ -109,6 +109,6 @@ class CreateTldCommand extends CreateOrUpdateTldCommand {
Optional<Map.Entry<DateTime, TldState>> getTldStateTransitionToAdd() {
return initialTldState != null
? Optional.of(Maps.immutableEntry(START_OF_TIME, initialTldState))
: Optional.<Map.Entry<DateTime, TldState>>absent();
: Optional.<Map.Entry<DateTime, TldState>>empty();
}
}