Run automatic Java 8 conversion over codebase

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171174380

java/google/registry/model/ofy/CommitLogBucket.java

@@ -16,14 +16,13 @@ package google.registry.model.ofy;
 
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.collect.DiscreteDomain.integers;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static google.registry.config.RegistryConfig.getCommitLogBucketCount;
 import static google.registry.model.ofy.ObjectifyService.ofy;
 import static google.registry.util.DateTimeUtils.START_OF_TIME;
 
-import com.google.common.base.Function;
 import com.google.common.base.Supplier;
 import com.google.common.collect.ContiguousSet;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSortedSet;
 import com.google.common.collect.Range;
@@ -137,13 +136,10 @@ public class CommitLogBucket extends ImmutableObject implements Buildable {
 
   /** Returns all commit log bucket keys, in ascending order by bucket ID. */
   public static ImmutableSet<Key<CommitLogBucket>> getAllBucketKeys() {
-    return FluentIterable.from(getBucketIds())
-        .transform(new Function<Integer, Key<CommitLogBucket>>() {
-            @Override
-            public Key<CommitLogBucket> apply(Integer bucketId) {
-              return getBucketKeyUnsafe(bucketId);
-            }})
-        .toSet();
+    return getBucketIds()
+        .stream()
+        .map(CommitLogBucket::getBucketKeyUnsafe)
+        .collect(toImmutableSet());
   }
 
   @Override

java/google/registry/model/ofy/CommitLoggedWork.java

@@ -17,6 +17,7 @@ package google.registry.model.ofy;
 import static com.google.common.base.Preconditions.checkState;
 import static com.google.common.base.Predicates.in;
 import static com.google.common.base.Predicates.not;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static com.google.common.collect.Maps.filterKeys;
 import static com.google.common.collect.Sets.difference;
 import static com.google.common.collect.Sets.union;
@@ -25,7 +26,6 @@ import static google.registry.model.ofy.ObjectifyService.ofy;
 import static google.registry.util.DateTimeUtils.isBeforeOrAt;
 
 import com.google.common.base.Function;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.googlecode.objectify.Key;
@@ -150,14 +150,13 @@ class CommitLoggedWork<R> extends VoidWork {
         ImmutableSet.copyOf(filterKeys(rootsForTouchedKeys, not(in(touchedKeys))).values());
     manifest = CommitLogManifest.create(info.bucketKey, info.transactionTime, info.getDeletes());
     final Key<CommitLogManifest> manifestKey = Key.create(manifest);
-    mutations = FluentIterable
-        .from(union(info.getSaves(), untouchedRootsWithTouchedChildren))
-        .transform(new Function<Object, ImmutableObject>() {
-            @Override
-            public CommitLogMutation apply(Object saveEntity) {
-              return CommitLogMutation.create(manifestKey, saveEntity);
-            }})
-        .toSet();
+    mutations =
+        union(info.getSaves(), untouchedRootsWithTouchedChildren)
+            .stream()
+            .map(
+                (Function<Object, ImmutableObject>)
+                    (Object saveEntity) -> CommitLogMutation.create(manifestKey, saveEntity))
+            .collect(toImmutableSet());
     ofy().saveWithoutBackup()
       .entities(new ImmutableSet.Builder<>()
           .add(manifest)

java/google/registry/model/ofy/Ofy.java

@@ -29,7 +29,7 @@ import com.google.appengine.api.taskqueue.TransientFailureException;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Iterables;
+import com.google.common.collect.Streams;
 import com.googlecode.objectify.Key;
 import com.googlecode.objectify.Objectify;
 import com.googlecode.objectify.ObjectifyFactory;
@@ -136,7 +136,7 @@ public class Ofy {
       @Override
       protected void handleDeletion(Iterable<Key<?>> keys) {
         assertInTransaction();
-        checkState(Iterables.all(keys, notNull()), "Can't delete a null key.");
+        checkState(Streams.stream(keys).allMatch(notNull()), "Can't delete a null key.");
         checkProhibitedAnnotations(keys, NotBackedUp.class, VirtualEntity.class);
         TRANSACTION_INFO.get().putDeletes(keys);
       }
@@ -168,7 +168,7 @@ public class Ofy {
       @Override
       protected void handleSave(Iterable<?> entities) {
         assertInTransaction();
-        checkState(Iterables.all(entities, notNull()), "Can't save a null entity.");
+        checkState(Streams.stream(entities).allMatch(notNull()), "Can't save a null entity.");
         checkProhibitedAnnotations(entities, NotBackedUp.class, VirtualEntity.class);
         ImmutableMap<Key<?>, ?> keysToEntities = uniqueIndex(entities, OBJECTS_TO_KEYS);
         TRANSACTION_INFO.get().putSaves(keysToEntities);

java/google/registry/model/ofy/TimestampInversionException.java

@@ -15,7 +15,6 @@
 package google.registry.model.ofy;
 
 import com.google.common.base.Joiner;
-import com.google.common.base.Predicate;
 import com.google.common.collect.FluentIterable;
 import com.googlecode.objectify.Key;
 import com.googlecode.objectify.Objectify;
@@ -43,17 +42,20 @@ class TimestampInversionException extends RuntimeException {
   }
 
   private TimestampInversionException(DateTime transactionTime, String problem) {
-    super(Joiner.on('\n').join(
-        String.format(
-            "Timestamp inversion between transaction time (%s) and %s",
-            transactionTime,
-            problem),
-        getFileAndLine(FluentIterable.from(new Exception().getStackTrace())
-          .firstMatch(new Predicate<StackTraceElement>() {
-            @Override
-            public boolean apply(StackTraceElement element) {
-              return !element.getClassName().startsWith(Objectify.class.getPackage().getName())
-                  && !element.getClassName().startsWith(Ofy.class.getName());
-            }}).get())));
+    super(
+        Joiner.on('\n')
+            .join(
+                String.format(
+                    "Timestamp inversion between transaction time (%s) and %s",
+                    transactionTime, problem),
+                getFileAndLine(
+                    FluentIterable.from(new Exception().getStackTrace())
+                        .firstMatch(
+                            (StackTraceElement element) ->
+                                !element
+                                        .getClassName()
+                                        .startsWith(Objectify.class.getPackage().getName())
+                                    && !element.getClassName().startsWith(Ofy.class.getName()))
+                        .get())));
   }
 }

java/google/registry/model/ofy/TransactionInfo.java

@@ -16,6 +16,7 @@ package google.registry.model.ofy;
 
 import static com.google.common.base.Functions.constant;
 import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static com.google.common.collect.Maps.filterValues;
 import static com.google.common.collect.Maps.toMap;
 import static google.registry.model.ofy.CommitLogBucket.getArbitraryBucketId;
@@ -23,7 +24,6 @@ import static google.registry.model.ofy.ObjectifyService.ofy;
 
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.googlecode.objectify.Key;
@@ -88,9 +88,11 @@ class TransactionInfo {
   }
 
   ImmutableSet<Object> getSaves() {
-    return FluentIterable
-        .from(changesBuilder.build().values())
+    return changesBuilder
+        .build()
+        .values()
+        .stream()
         .filter(Predicates.not(IS_DELETE))
-        .toSet();
+        .collect(toImmutableSet());
   }
 }