RDAP: Display truncation notice for large domain result sets

The ICAAN Operational Profile dictates that a notice be added to the RDAP search results response when there are more objects than the server's chosen result set size. This CL handles the fixes for domain searches.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=135407203

java/google/registry/rdap/RdapSearchResults.java

@@ -0,0 +1,44 @@
+// 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.rdap;
+
+import com.google.auto.value.AutoValue;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+
+/**
+ * Holds domain, nameserver and entity search results.
+ * 
+ * <p>We need to know not only the list of things we found, but also whether the result set was
+ * truncated to the limit. If it is, we must add the ICANN-mandated notice to that effect.
+ */
+@AutoValue
+abstract class RdapSearchResults {
+  
+  static RdapSearchResults create(ImmutableList<ImmutableMap<String, Object>> jsonList) {
+    return create(jsonList, false);
+  }
+  
+  static RdapSearchResults create(
+      ImmutableList<ImmutableMap<String, Object>> jsonList, boolean isTruncated) {
+    return new AutoValue_RdapSearchResults(jsonList, isTruncated);
+  }
+
+  /** List of JSON result object representations. */
+  abstract ImmutableList<ImmutableMap<String, Object>> jsonList();
+  
+  /** True if the result set was truncated to the maximum size limit. */
+  abstract boolean isTruncated();
+}