Run automatic Java 8 conversion over codebase

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

java/google/registry/batch/DeleteContactsAndHostsAction.java

@@ -18,6 +18,7 @@ import static com.google.appengine.api.taskqueue.QueueConstants.maxLeaseCount;
 import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.collect.ImmutableList.toImmutableList;
 import static com.google.common.math.IntMath.divide;
 import static com.googlecode.objectify.Key.getKind;
 import static google.registry.flows.ResourceFlowUtils.denyPendingTransfer;
@@ -52,8 +53,6 @@ import com.google.appengine.tools.mapreduce.Mapper;
 import com.google.appengine.tools.mapreduce.Reducer;
 import com.google.appengine.tools.mapreduce.ReducerInput;
 import com.google.auto.value.AutoValue;
-import com.google.common.base.Function;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.HashMultiset;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
@@ -94,7 +93,6 @@ import google.registry.util.SystemClock;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.Callable;
 import javax.inject.Inject;
 import javax.inject.Named;
 import org.joda.time.DateTime;
@@ -180,22 +178,11 @@ public class DeleteContactsAndHostsAction implements Runnable {
       return;
     }
     final List<TaskHandle> tasks =
-        FluentIterable.from(deletionRequests)
-            .transform(
-                new Function<DeletionRequest, TaskHandle>() {
-                  @Override
-                  public TaskHandle apply(DeletionRequest deletionRequest) {
-                    return deletionRequest.task();
-                  }
-                })
-            .toList();
+        deletionRequests.stream().map(DeletionRequest::task).collect(toImmutableList());
     retrier.callWithRetry(
-        new Callable<Void>() {
-          @Override
-          public Void call() throws Exception {
-            queue.deleteTask(tasks);
-            return null;
-          }
+        () -> {
+          queue.deleteTask(tasks);
+          return null;
         },
         TransientFailureException.class);
     for (DeletionRequest deletionRequest : deletionRequests) {

java/google/registry/batch/DeleteProberDataAction.java

@@ -15,6 +15,7 @@
 package google.registry.batch;
 
 import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static google.registry.flows.ResourceFlowUtils.updateForeignKeyIndexDeletionTime;
 import static google.registry.mapreduce.MapreduceRunner.PARAM_DRY_RUN;
 import static google.registry.model.ofy.ObjectifyService.ofy;
@@ -24,11 +25,8 @@ import static google.registry.request.Action.Method.POST;
 import static org.joda.time.DateTimeZone.UTC;
 
 import com.google.appengine.tools.mapreduce.Mapper;
-import com.google.common.base.Function;
-import com.google.common.base.Predicate;
 import com.google.common.base.Splitter;
 import com.google.common.base.Strings;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
@@ -94,21 +92,11 @@ public class DeleteProberDataAction implements Runnable {
   }
 
   private static ImmutableSet<String> getProberRoidSuffixes() {
-    return FluentIterable.from(getTldsOfType(TldType.TEST))
-        .filter(new Predicate<String>() {
-          @Override
-          public boolean apply(String tld) {
-            // Extra sanity check to prevent us from nuking prod data if a real TLD accidentally
-            // gets set to type TEST.
-            return tld.endsWith(".test");
-          }})
-        .transform(
-            new Function<String, String>() {
-              @Override
-              public String apply(String tld) {
-                return Registry.get(tld).getRoidSuffix();
-              }})
-        .toSet();
+    return getTldsOfType(TldType.TEST)
+        .stream()
+        .filter(tld -> tld.endsWith(".test"))
+        .map(tld -> Registry.get(tld).getRoidSuffix())
+        .collect(toImmutableSet());
   }
 
   /** Provides the map method that runs for each existing DomainBase entity. */

java/google/registry/batch/ExpandRecurringBillingEventsAction.java

@@ -15,6 +15,7 @@
 package google.registry.batch;
 
 import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static com.google.common.collect.Sets.difference;
 import static google.registry.mapreduce.MapreduceRunner.PARAM_DRY_RUN;
 import static google.registry.mapreduce.inputs.EppResourceInputs.createChildEntityInput;
@@ -32,13 +33,11 @@ import static google.registry.util.PipelineUtils.createJobPath;
 import com.google.appengine.tools.mapreduce.Mapper;
 import com.google.appengine.tools.mapreduce.Reducer;
 import com.google.appengine.tools.mapreduce.ReducerInput;
-import com.google.common.base.Function;
 import com.google.common.base.Optional;
-import com.google.common.base.Predicate;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Range;
+import com.google.common.collect.Streams;
 import com.googlecode.objectify.Key;
 import com.googlecode.objectify.VoidWork;
 import com.googlecode.objectify.Work;
@@ -262,14 +261,10 @@ public class ExpandRecurringBillingEventsAction implements Runnable {
         DateTime cursorTime,
         DateTime executeTime,
         final Registry tld) {
-      return FluentIterable.from(eventTimes)
-          .transform(new Function<DateTime, DateTime>() {
-            @Override
-            public DateTime apply(DateTime eventTime) {
-              return eventTime.plus(tld.getAutoRenewGracePeriodLength());
-            }})
+      return Streams.stream(eventTimes)
+          .map(eventTime -> eventTime.plus(tld.getAutoRenewGracePeriodLength()))
           .filter(Range.closedOpen(cursorTime, executeTime))
-          .toSet();
+          .collect(toImmutableSet());
     }
 
     /**
@@ -279,19 +274,13 @@ public class ExpandRecurringBillingEventsAction implements Runnable {
     private ImmutableSet<DateTime> getExistingBillingTimes(
         Iterable<BillingEvent.OneTime> oneTimesForDomain,
         final BillingEvent.Recurring recurringEvent) {
-      return FluentIterable.from(oneTimesForDomain)
-          .filter(new Predicate<BillingEvent.OneTime>() {
-            @Override
-            public boolean apply(OneTime billingEvent) {
-              return Key.create(recurringEvent)
-                  .equals(billingEvent.getCancellationMatchingBillingEvent());
-            }})
-          .transform(new Function<OneTime, DateTime>() {
-            @Override
-            public DateTime apply(OneTime billingEvent) {
-              return billingEvent.getBillingTime();
-            }})
-          .toSet();
+      return Streams.stream(oneTimesForDomain)
+          .filter(
+              billingEvent ->
+                  Key.create(recurringEvent)
+                      .equals(billingEvent.getCancellationMatchingBillingEvent()))
+          .map(OneTime::getBillingTime)
+          .collect(toImmutableSet());
     }
   }
 

java/google/registry/batch/RefreshDnsOnHostRenameAction.java

@@ -17,6 +17,7 @@ package google.registry.batch;
 import static com.google.appengine.api.taskqueue.QueueConstants.maxLeaseCount;
 import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
 import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.collect.ImmutableList.toImmutableList;
 import static google.registry.flows.async.AsyncFlowEnqueuer.PARAM_HOST_KEY;
 import static google.registry.flows.async.AsyncFlowEnqueuer.PARAM_REQUESTED_TIME;
 import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_HOST_RENAME;
@@ -38,8 +39,6 @@ import com.google.appengine.tools.mapreduce.Mapper;
 import com.google.appengine.tools.mapreduce.Reducer;
 import com.google.appengine.tools.mapreduce.ReducerInput;
 import com.google.auto.value.AutoValue;
-import com.google.common.base.Function;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.googlecode.objectify.Key;
@@ -61,7 +60,6 @@ import google.registry.util.SystemClock;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.Callable;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 import javax.inject.Named;
@@ -180,12 +178,11 @@ public class RefreshDnsOnHostRenameAction implements Runnable {
       }
       if (referencingHostKey != null) {
         retrier.callWithRetry(
-            new Callable<Void>() {
-              @Override
-              public Void call() throws Exception {
-                dnsQueue.addDomainRefreshTask(domain.getFullyQualifiedDomainName());
-                return null;
-              }}, TransientFailureException.class);
+            () -> {
+              dnsQueue.addDomainRefreshTask(domain.getFullyQualifiedDomainName());
+              return null;
+            },
+            TransientFailureException.class);
         logger.infofmt(
             "Enqueued DNS refresh for domain %s referenced by host %s.",
             domain.getFullyQualifiedDomainName(), referencingHostKey);
@@ -244,22 +241,13 @@ public class RefreshDnsOnHostRenameAction implements Runnable {
       return;
     }
     final List<TaskHandle> tasks =
-        FluentIterable.from(refreshRequests)
-        .transform(
-            new Function<DnsRefreshRequest, TaskHandle>() {
-              @Override
-              public TaskHandle apply(DnsRefreshRequest refreshRequest) {
-                return refreshRequest.task();
-              }
-            })
-        .toList();
+        refreshRequests.stream().map(DnsRefreshRequest::task).collect(toImmutableList());
     retrier.callWithRetry(
-        new Callable<Void>() {
-          @Override
-          public Void call() throws Exception {
-            queue.deleteTask(tasks);
-            return null;
-          }}, TransientFailureException.class);
+        () -> {
+          queue.deleteTask(tasks);
+          return null;
+        },
+        TransientFailureException.class);
     for (DnsRefreshRequest refreshRequest : refreshRequests) {
       asyncFlowMetrics.recordAsyncFlowResult(DNS_REFRESH, result, refreshRequest.requestedTime());
     }

java/google/registry/batch/VerifyEntityIntegrityAction.java

@@ -15,6 +15,7 @@
 package google.registry.batch;
 
 import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static com.google.common.collect.Iterables.getOnlyElement;
 import static com.googlecode.objectify.Key.getKind;
 import static google.registry.model.EppResourceUtils.isActive;
@@ -36,7 +37,6 @@ import com.google.appengine.tools.mapreduce.ReducerInput;
 import com.google.appengine.tools.mapreduce.inputs.DatastoreKeyInput;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Function;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Sets;
 import com.googlecode.objectify.Key;
@@ -259,18 +259,24 @@ public class VerifyEntityIntegrityAction implements Runnable {
           verifyExistence(key, domain.getTransferData().getServerApproveAutorenewEvent());
           verifyExistence(key, domain.getTransferData().getServerApproveAutorenewPollMessage());
           verifyExistence(key, domain.getTransferData().getServerApproveBillingEvent());
-          verifyExistence(key, FluentIterable
-              .from(domain.getTransferData().getServerApproveEntities())
-              .transform(
-                new Function<Key<? extends TransferServerApproveEntity>,
-                    Key<TransferServerApproveEntity>>() {
-                  @SuppressWarnings("unchecked")
-                  @Override
-                  public Key<TransferServerApproveEntity> apply(
-                      Key<? extends TransferServerApproveEntity> key) {
-                    return (Key<TransferServerApproveEntity>) key;
-                  }})
-              .toSet());
+          verifyExistence(
+              key,
+              domain
+                  .getTransferData()
+                  .getServerApproveEntities()
+                  .stream()
+                  .map(
+                      new Function<
+                          Key<? extends TransferServerApproveEntity>,
+                          Key<TransferServerApproveEntity>>() {
+                        @SuppressWarnings("unchecked")
+                        @Override
+                        public Key<TransferServerApproveEntity> apply(
+                            Key<? extends TransferServerApproveEntity> key) {
+                          return (Key<TransferServerApproveEntity>) key;
+                        }
+                      })
+                  .collect(toImmutableSet()));
           verifyExistence(key, domain.getApplication());
           verifyExistence(key, domain.getAutorenewBillingEvent());
           for (GracePeriod gracePeriod : domain.getGracePeriods()) {

java/google/registry/batch/VerifyEntityIntegrityStreamer.java

@@ -21,19 +21,16 @@ import static google.registry.batch.EntityIntegrityAlertsSchema.FIELD_SCANTIME;
 import static google.registry.batch.EntityIntegrityAlertsSchema.FIELD_SOURCE;
 import static google.registry.batch.EntityIntegrityAlertsSchema.FIELD_TARGET;
 import static google.registry.batch.EntityIntegrityAlertsSchema.TABLE_ID;
+import static java.util.stream.Collectors.joining;
 
 import com.google.api.services.bigquery.Bigquery;
 import com.google.api.services.bigquery.Bigquery.Tabledata.InsertAll;
 import com.google.api.services.bigquery.model.TableDataInsertAllRequest;
 import com.google.api.services.bigquery.model.TableDataInsertAllRequest.Rows;
 import com.google.api.services.bigquery.model.TableDataInsertAllResponse;
-import com.google.api.services.bigquery.model.TableDataInsertAllResponse.InsertErrors;
 import com.google.auto.factory.AutoFactory;
 import com.google.auto.factory.Provided;
-import com.google.common.base.Function;
-import com.google.common.base.Joiner;
 import com.google.common.base.Supplier;
-import com.google.common.collect.FluentIterable;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import google.registry.bigquery.BigqueryFactory;
@@ -183,30 +180,26 @@ public class VerifyEntityIntegrityStreamer {
                   new TableDataInsertAllRequest().setRows(rows));
 
       Callable<Void> callable =
-          new Callable<Void>() {
-            @Override
-            public Void call() throws Exception {
-              TableDataInsertAllResponse response = request.execute();
-              // Turn errors on the response object into RuntimeExceptions that the retrier will
-              // retry.
-              if (response.getInsertErrors() != null && !response.getInsertErrors().isEmpty()) {
-                throw new RuntimeException(
-                    FluentIterable.from(response.getInsertErrors())
-                        .transform(
-                            new Function<InsertErrors, String>() {
-                              @Override
-                              public String apply(InsertErrors error) {
-                                try {
-                                  return error.toPrettyString();
-                                } catch (IOException e) {
-                                  return error.toString();
-                                }
-                              }
-                            })
-                        .join(Joiner.on('\n')));
-              }
-              return null;
+          () -> {
+            TableDataInsertAllResponse response = request.execute();
+            // Turn errors on the response object into RuntimeExceptions that the retrier will
+            // retry.
+            if (response.getInsertErrors() != null && !response.getInsertErrors().isEmpty()) {
+              throw new RuntimeException(
+                  response
+                      .getInsertErrors()
+                      .stream()
+                      .map(
+                          error -> {
+                            try {
+                              return error.toPrettyString();
+                            } catch (IOException e) {
+                              return error.toString();
+                            }
+                          })
+                      .collect(joining("\n")));
             }
+            return null;
           };
       retrier.callWithRetry(callable, RuntimeException.class);
     } catch (IOException e) {