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Use Maps.transformEntries() utility method to improve Map composition (#387)

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* Use Maps.transformEntries() utility method to improve Map composition
This commit is contained in:
Ben McIlwain 2019-11-26 12:20:00 -05:00 • committed by GitHub
parent 3d2c68b350
commit ea74c03ce6
1 changed files with 3 additions and 6 deletions
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9
core/src/main/java/google/registry/model/registry/Registry.java
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@ -18,7 +18,6 @@ import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Predicates.equalTo;
import static com.google.common.base.Predicates.not;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static com.google.common.collect.Maps.toMap;
import static google.registry.config.RegistryConfig.getSingletonCacheRefreshDuration;
@ -41,6 +40,7 @@ import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedMap;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.google.common.collect.Ordering;
import com.google.common.collect.Range;
import com.google.common.net.InternetDomainName;
@ -265,11 +265,8 @@ public class Registry extends ImmutableObject implements Buildable {
tld -> Key.create(getCrossTldKey(), Registry.class, tld));
Map<Key<Registry>, Registry> entities =
tm().doTransactionless(() -> ofy().load().keys(keysMap.values()));
return keysMap.entrySet().stream()
.collect(
toImmutableMap(
Map.Entry::getKey,
e -> Optional.ofNullable(entities.getOrDefault(e.getValue(), null))));
return Maps.transformEntries(
keysMap, (k, v) -> Optional.ofNullable(entities.getOrDefault(v, null)));
}
});