Notify registrars of async contact/host deletions

We now send PendingActionNotificationResponses in our poll messages upon completion of an asynchronous contact or host deletion. This is part 1 of 2, which begins logging Trid in all enqueued Host/Contact deletion flows for use in batch deletions, and optionally consuming the resultant Trid info to emit a Host/ContactPendingActionNotifcationResponse.

Part 2 will make this response emission non-optional, which will happen once the queue is cleared of all non-Trid containing tasks.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=153084197

java/google/registry/model/eppoutput/EppResponse.java

@@ -60,6 +60,7 @@ import google.registry.model.host.HostInfoData;
 import google.registry.model.poll.MessageQueueInfo;
 import google.registry.model.poll.PendingActionNotificationResponse.ContactPendingActionNotificationResponse;
 import google.registry.model.poll.PendingActionNotificationResponse.DomainPendingActionNotificationResponse;
+import google.registry.model.poll.PendingActionNotificationResponse.HostPendingActionNotificationResponse;
 import google.registry.model.transfer.TransferResponse.ContactTransferResponse;
 import google.registry.model.transfer.TransferResponse.DomainTransferResponse;
 import javax.annotation.Nullable;
@@ -98,20 +99,22 @@ public class EppResponse extends ImmutableObject implements ResponseOrGreeting {
 
   /** Zero or more response "resData" results. */
   @XmlElementRefs({
-      @XmlElementRef(type = ContactCheckData.class),
-      @XmlElementRef(type = ContactCreateData.class),
-      @XmlElementRef(type = ContactInfoData.class),
-      @XmlElementRef(type = ContactPendingActionNotificationResponse.class),
-      @XmlElementRef(type = ContactTransferResponse.class),
-      @XmlElementRef(type = DomainCheckData.class),
-      @XmlElementRef(type = DomainCreateData.class),
-      @XmlElementRef(type = DomainInfoData.class),
-      @XmlElementRef(type = DomainPendingActionNotificationResponse.class),
-      @XmlElementRef(type = DomainRenewData.class),
-      @XmlElementRef(type = DomainTransferResponse.class),
-      @XmlElementRef(type = HostCheckData.class),
-      @XmlElementRef(type = HostCreateData.class),
-      @XmlElementRef(type = HostInfoData.class)})
+    @XmlElementRef(type = ContactCheckData.class),
+    @XmlElementRef(type = ContactCreateData.class),
+    @XmlElementRef(type = ContactInfoData.class),
+    @XmlElementRef(type = ContactPendingActionNotificationResponse.class),
+    @XmlElementRef(type = ContactTransferResponse.class),
+    @XmlElementRef(type = DomainCheckData.class),
+    @XmlElementRef(type = DomainCreateData.class),
+    @XmlElementRef(type = DomainInfoData.class),
+    @XmlElementRef(type = DomainPendingActionNotificationResponse.class),
+    @XmlElementRef(type = DomainRenewData.class),
+    @XmlElementRef(type = DomainTransferResponse.class),
+    @XmlElementRef(type = HostCheckData.class),
+    @XmlElementRef(type = HostCreateData.class),
+    @XmlElementRef(type = HostInfoData.class),
+    @XmlElementRef(type = HostPendingActionNotificationResponse.class)
+  })
   @XmlElementWrapper
   ImmutableList<? extends ResponseData> resData;
 

java/google/registry/model/poll/PendingActionNotificationResponse.java

@@ -125,4 +125,30 @@ public abstract class PendingActionNotificationResponse
           processedDate);
     }
   }
+
+  /** An adapter to output the XML in response to resolving a pending command on a host. */
+  @Embed
+  @XmlRootElement(name = "panData", namespace = "urn:ietf:params:xml:ns:domain-1.0")
+  @XmlType(
+    propOrder = {"name", "trid", "processedDate"},
+    namespace = "urn:ietf:params:xml:ns:domain-1.0"
+  )
+  public static class HostPendingActionNotificationResponse
+      extends PendingActionNotificationResponse {
+
+    @XmlElement
+    NameOrId getName() {
+      return nameOrId;
+    }
+
+    public static HostPendingActionNotificationResponse create(
+        String fullyQualifiedHostName, boolean actionResult, Trid trid, DateTime processedDate) {
+      return init(
+          new HostPendingActionNotificationResponse(),
+          fullyQualifiedHostName,
+          actionResult,
+          trid,
+          processedDate);
+    }
+  }
 }

java/google/registry/model/poll/PollMessage.java

@@ -39,6 +39,7 @@ import google.registry.model.eppoutput.EppResponse.ResponseData;
 import google.registry.model.eppoutput.EppResponse.ResponseExtension;
 import google.registry.model.poll.PendingActionNotificationResponse.ContactPendingActionNotificationResponse;
 import google.registry.model.poll.PendingActionNotificationResponse.DomainPendingActionNotificationResponse;
+import google.registry.model.poll.PendingActionNotificationResponse.HostPendingActionNotificationResponse;
 import google.registry.model.reporting.HistoryEntry;
 import google.registry.model.transfer.TransferData.TransferServerApproveEntity;
 import google.registry.model.transfer.TransferResponse.ContactTransferResponse;
@@ -189,6 +190,7 @@ public abstract class PollMessage extends ImmutableObject
     List<ContactTransferResponse> contactTransferResponses;
     List<DomainPendingActionNotificationResponse> domainPendingActionNotificationResponses;
     List<DomainTransferResponse> domainTransferResponses;
+    List<HostPendingActionNotificationResponse> hostPendingActionNotificationResponses;
 
     // Extensions. Objectify cannot persist a base class type, so we must have a separate field
     // to hold every possible derived type of ResponseExtensions that we might store.
@@ -211,6 +213,7 @@ public abstract class PollMessage extends ImmutableObject
           .addAll(nullToEmpty(contactTransferResponses))
           .addAll(nullToEmpty(domainPendingActionNotificationResponses))
           .addAll(nullToEmpty(domainTransferResponses))
+          .addAll(nullToEmpty(hostPendingActionNotificationResponses))
           .build();
     }
 
@@ -240,6 +243,8 @@ public abstract class PollMessage extends ImmutableObject
             iterable.filter(DomainPendingActionNotificationResponse.class).toList());
         getInstance().domainTransferResponses = forceEmptyToNull(
             iterable.filter(DomainTransferResponse.class).toList());
+        getInstance().hostPendingActionNotificationResponses = forceEmptyToNull(
+            iterable.filter(HostPendingActionNotificationResponse.class).toList());
         return this;
       }