Move the async [] classes out of the flows package

We should be able to remove the dependency on the App Engine [] library from the frontend service, since no []s actually run there. In order to do this, we need to remove the various []-reliant classes from the frontend service build. This CL begins the process by moving the two async "flows" to a different package which is not included in the frontend service.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=142159568

java/google/registry/batch/BUILD

@@ -13,8 +13,10 @@ java_library(
         "//java/com/google/common/collect",
         "//java/com/google/common/html",
         "//java/com/google/common/io",
+        "//java/com/google/common/math",
         "//java/com/google/common/net",
-        "//java/google/registry/config",
+        "//java/google/registry/dns",
+        "//java/google/registry/flows",
         "//java/google/registry/mapreduce",
         "//java/google/registry/mapreduce/inputs",
         "//java/google/registry/model",
@@ -24,6 +26,7 @@ java_library(
         "//third_party/java/appengine:appengine-api",
         "//third_party/java/appengine_gcs_client",
         "//third_party/java/appengine_mapreduce2:appengine_mapreduce",
+        "//third_party/java/auto:auto_value",
         "//third_party/java/dagger",
         "//third_party/java/joda_money",
         "//third_party/java/joda_time",

java/google/registry/batch/DeleteContactsAndHostsAction.java

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package google.registry.flows.async;
+package google.registry.batch;
 
 import static com.google.appengine.api.taskqueue.QueueConstants.maxLeaseCount;
 import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
@@ -23,6 +23,10 @@ import static com.googlecode.objectify.Key.getKind;
 import static google.registry.flows.ResourceFlowUtils.createResolvedTransferData;
 import static google.registry.flows.ResourceFlowUtils.handlePendingTransferOnDelete;
 import static google.registry.flows.ResourceFlowUtils.updateForeignKeyIndexDeletionTime;
+import static google.registry.flows.async.AsyncFlowEnqueuer.PARAM_IS_SUPERUSER;
+import static google.registry.flows.async.AsyncFlowEnqueuer.PARAM_REQUESTING_CLIENT_ID;
+import static google.registry.flows.async.AsyncFlowEnqueuer.PARAM_RESOURCE_KEY;
+import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_DELETE;
 import static google.registry.model.EppResourceUtils.isActive;
 import static google.registry.model.EppResourceUtils.isDeleted;
 import static google.registry.model.eppcommon.StatusValue.PENDING_DELETE;
@@ -53,8 +57,8 @@ import com.google.common.collect.Iterators;
 import com.google.common.collect.Multiset;
 import com.googlecode.objectify.Key;
 import com.googlecode.objectify.Work;
+import google.registry.batch.DeleteContactsAndHostsAction.DeletionResult.Type;
 import google.registry.dns.DnsQueue;
-import google.registry.flows.async.DeleteContactsAndHostsAction.DeletionResult.Type;
 import google.registry.mapreduce.MapreduceRunner;
 import google.registry.mapreduce.inputs.EppResourceInputs;
 import google.registry.mapreduce.inputs.NullInput;
@@ -89,12 +93,6 @@ import org.joda.time.DateTime;
 @Action(path = "/_dr/task/deleteContactsAndHosts")
 public class DeleteContactsAndHostsAction implements Runnable {
 
-  /** The HTTP parameter name used to specify the websafe key of the resource to delete. */
-  public static final String PARAM_RESOURCE_KEY = "resourceKey";
-  public static final String PARAM_REQUESTING_CLIENT_ID = "requestingClientId";
-  public static final String PARAM_IS_SUPERUSER = "isSuperuser";
-  public static final String QUEUE_ASYNC_DELETE = "async-delete-pull";
-
   static final String KIND_CONTACT = getKind(ContactResource.class);
   static final String KIND_HOST = getKind(HostResource.class);
 

java/google/registry/batch/RefreshDnsOnHostRenameAction.java

@@ -12,11 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package google.registry.flows.async;
+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 google.registry.flows.async.AsyncFlowEnqueuer.PARAM_HOST_KEY;
+import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_HOST_RENAME;
 import static google.registry.mapreduce.inputs.EppResourceInputs.createEntityInput;
 import static google.registry.model.EppResourceUtils.isActive;
 import static google.registry.model.EppResourceUtils.isDeleted;
@@ -61,10 +63,6 @@ import org.joda.time.DateTime;
 @Action(path = "/_dr/task/refreshDnsOnHostRename")
 public class RefreshDnsOnHostRenameAction implements Runnable {
 
-  /** The HTTP parameter name used to specify the websafe key of the host to rename. */
-  public static final String PARAM_HOST_KEY = "hostKey";
-  public static final String QUEUE_ASYNC_HOST_RENAME = "async-host-rename-pull";
-
   private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
   private static final long LEASE_MINUTES = 20;
 

java/google/registry/flows/async/AsyncFlowEnqueuer.java

@@ -14,16 +14,11 @@
 
 package google.registry.flows.async;
 
-import static google.registry.flows.async.DeleteContactsAndHostsAction.PARAM_IS_SUPERUSER;
-import static google.registry.flows.async.DeleteContactsAndHostsAction.PARAM_REQUESTING_CLIENT_ID;
-import static google.registry.flows.async.DeleteContactsAndHostsAction.PARAM_RESOURCE_KEY;
-import static google.registry.flows.async.RefreshDnsOnHostRenameAction.PARAM_HOST_KEY;
-import static google.registry.flows.async.RefreshDnsOnHostRenameAction.QUEUE_ASYNC_HOST_RENAME;
-
 import com.google.appengine.api.taskqueue.Queue;
 import com.google.appengine.api.taskqueue.TaskOptions;
 import com.google.appengine.api.taskqueue.TaskOptions.Method;
 import com.google.appengine.api.taskqueue.TransientFailureException;
+import com.google.common.annotations.VisibleForTesting;
 import com.googlecode.objectify.Key;
 import google.registry.config.ConfigModule.Config;
 import google.registry.model.EppResource;
@@ -38,13 +33,40 @@ import org.joda.time.Duration;
 /** Helper class to enqueue tasks for handling asynchronous operations in flows. */
 public final class AsyncFlowEnqueuer {
 
+  /** The HTTP parameter names used by async flows. */
+  public static final String PARAM_RESOURCE_KEY = "resourceKey";
+  public static final String PARAM_REQUESTING_CLIENT_ID = "requestingClientId";
+  public static final String PARAM_IS_SUPERUSER = "isSuperuser";
+  public static final String PARAM_HOST_KEY = "hostKey";
+
+  /** The task queue names used by async flows. */
+  public static final String QUEUE_ASYNC_DELETE = "async-delete-pull";
+  public static final String QUEUE_ASYNC_HOST_RENAME = "async-host-rename-pull";
+
   private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
 
-  @Inject @Config("asyncDeleteFlowMapreduceDelay") Duration asyncDeleteDelay;
+  @VisibleForTesting
-  @Inject @Named("async-delete-pull") Queue asyncDeletePullQueue;
+  @Inject
-  @Inject @Named(QUEUE_ASYNC_HOST_RENAME) Queue asyncDnsRefreshPullQueue;
+  @Config("asyncDeleteFlowMapreduceDelay")
-  @Inject Retrier retrier;
+  public Duration asyncDeleteDelay;
-  @Inject AsyncFlowEnqueuer() {}
+
+  @VisibleForTesting
+  @Inject
+  @Named("async-delete-pull")
+  public Queue asyncDeletePullQueue;
+
+  @VisibleForTesting
+  @Inject
+  @Named(QUEUE_ASYNC_HOST_RENAME)
+  public Queue asyncDnsRefreshPullQueue;
+
+  @VisibleForTesting
+  @Inject
+  public Retrier retrier;
+
+  @VisibleForTesting
+  @Inject
+  public AsyncFlowEnqueuer() {}
 
   /** Enqueues a task to asynchronously delete a contact or host, by key. */
   public void enqueueAsyncDelete(

java/google/registry/flows/async/AsyncFlowsModule.java

@@ -14,8 +14,8 @@
 
 package google.registry.flows.async;
 
-import static google.registry.flows.async.DeleteContactsAndHostsAction.QUEUE_ASYNC_DELETE;
+import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_DELETE;
-import static google.registry.flows.async.RefreshDnsOnHostRenameAction.QUEUE_ASYNC_HOST_RENAME;
+import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_HOST_RENAME;
 
 import com.google.appengine.api.taskqueue.Queue;
 import com.google.appengine.api.taskqueue.QueueFactory;

java/google/registry/module/backend/BackendRequestComponent.java

@@ -21,8 +21,10 @@ import google.registry.backup.CommitLogCheckpointAction;
 import google.registry.backup.DeleteOldCommitLogsAction;
 import google.registry.backup.ExportCommitLogDiffAction;
 import google.registry.backup.RestoreCommitLogsAction;
+import google.registry.batch.DeleteContactsAndHostsAction;
 import google.registry.batch.DeleteProberDataAction;
 import google.registry.batch.ExpandRecurringBillingEventsAction;
+import google.registry.batch.RefreshDnsOnHostRenameAction;
 import google.registry.cron.CommitLogFanoutAction;
 import google.registry.cron.CronModule;
 import google.registry.cron.TldFanoutAction;
@@ -43,8 +45,6 @@ import google.registry.export.UpdateSnapshotViewAction;
 import google.registry.export.sheet.SheetModule;
 import google.registry.export.sheet.SyncRegistrarsSheetAction;
 import google.registry.flows.async.AsyncFlowsModule;
-import google.registry.flows.async.DeleteContactsAndHostsAction;
-import google.registry.flows.async.RefreshDnsOnHostRenameAction;
 import google.registry.mapreduce.MapreduceModule;
 import google.registry.monitoring.whitebox.MetricsExportAction;
 import google.registry.monitoring.whitebox.VerifyEntityIntegrityAction;

javatests/google/registry/batch/BUILD

@@ -17,6 +17,7 @@ java_library(
         "//java/com/google/common/io",
         "//java/com/google/common/net",
         "//java/google/registry/batch",
+        "//java/google/registry/flows",
         "//java/google/registry/model",
         "//java/google/registry/util",
         "//javatests/google/registry/testing",

javatests/google/registry/batch/DeleteContactsAndHostsActionTest.java

@@ -12,12 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package google.registry.flows.async;
+package google.registry.batch;
 
 import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
 import static com.google.common.collect.Iterables.getOnlyElement;
 import static com.google.common.truth.Truth.assertThat;
-import static google.registry.flows.async.DeleteContactsAndHostsAction.QUEUE_ASYNC_DELETE;
+import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_DELETE;
 import static google.registry.model.EppResourceUtils.loadByForeignKey;
 import static google.registry.model.eppcommon.StatusValue.PENDING_DELETE;
 import static google.registry.model.ofy.ObjectifyService.ofy;
@@ -60,6 +60,7 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
 import com.googlecode.objectify.Key;
+import google.registry.flows.async.AsyncFlowEnqueuer;
 import google.registry.model.EppResource;
 import google.registry.model.contact.ContactAddress;
 import google.registry.model.contact.ContactPhoneNumber;

javatests/google/registry/batch/RefreshDnsOnHostRenameActionTest.java

@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package google.registry.flows.async;
+package google.registry.batch;
 
 import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
-import static google.registry.flows.async.RefreshDnsOnHostRenameAction.QUEUE_ASYNC_HOST_RENAME;
+import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_HOST_RENAME;
 import static google.registry.model.ofy.ObjectifyService.ofy;
 import static google.registry.testing.DatastoreHelper.createTld;
 import static google.registry.testing.DatastoreHelper.newDomainApplication;
@@ -35,6 +35,7 @@ import static org.joda.time.Duration.standardSeconds;
 
 import com.google.common.collect.ImmutableSet;
 import com.googlecode.objectify.Key;
+import google.registry.flows.async.AsyncFlowEnqueuer;
 import google.registry.model.host.HostResource;
 import google.registry.testing.ExceptionRule;
 import google.registry.testing.FakeClock;

javatests/google/registry/flows/host/HostUpdateFlowTest.java

@@ -16,7 +16,7 @@ package google.registry.flows.host;
 
 import static com.google.common.base.Strings.nullToEmpty;
 import static com.google.common.truth.Truth.assertThat;
-import static google.registry.flows.async.RefreshDnsOnHostRenameAction.QUEUE_ASYNC_HOST_RENAME;
+import static google.registry.flows.async.AsyncFlowEnqueuer.QUEUE_ASYNC_HOST_RENAME;
 import static google.registry.model.EppResourceUtils.loadByForeignKey;
 import static google.registry.testing.DatastoreHelper.assertNoBillingEvents;
 import static google.registry.testing.DatastoreHelper.createTld;