Flatten and inject the poll flows

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133302791

java/google/registry/flows/poll/PollFlowUtils.java

@@ -0,0 +1,36 @@
+// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package google.registry.flows.poll;
+
+import static google.registry.model.ofy.ObjectifyService.ofy;
+
+import com.googlecode.objectify.cmd.Query;
+import google.registry.model.poll.PollMessage;
+import org.joda.time.DateTime;
+
+/** Static utility functions for poll flows. */
+public final class PollFlowUtils {
+
+  private PollFlowUtils() {}
+
+  /** Returns a query for poll messages for the logged in registrar which are not in the future. */
+  static Query<PollMessage> getPollMessagesQuery(String clientId, DateTime now) {
+    return ofy().load()
+        .type(PollMessage.class)
+        .filter("clientId", clientId)
+        .filter("eventTime <=", now.toDate())
+        .order("eventTime");
+  }
+}