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23b66b0bb4
Before this CL, each contact and host was independently loaded via the ReferenceUnion adapter. Since fields are processed serially by JAXB, this means worst-case there were 17 loads, best case 3 (the 3 required contacts) and usual case 5-6 (some hosts). This CL reduces that to 1 datastore roundtrip in all cases. A side effect of this CL is the further hollowing-out of ReferenceUnion, since it no longer is involved in marshalling at all. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=123712842
45 lines
1.5 KiB
Java
45 lines
1.5 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.model.domain;
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import com.googlecode.objectify.Ref;
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import com.googlecode.objectify.annotation.Embed;
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import com.googlecode.objectify.annotation.Index;
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import google.registry.model.EppResource;
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import google.registry.model.ImmutableObject;
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/**
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* Legacy shell of a "union" type to represent referenced objects as either a foreign key or as a
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* link to another object in the datastore. In its current form it merely wraps a {@link Ref}.
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*
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* @param <T> the type being referenced
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*/
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@Embed
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public class ReferenceUnion<T extends EppResource> extends ImmutableObject {
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@Index
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Ref<T> linked;
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public Ref<T> getLinked() {
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return linked;
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}
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public static <T extends EppResource> ReferenceUnion<T> create(Ref<T> linked) {
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ReferenceUnion<T> instance = new ReferenceUnion<>();
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instance.linked = linked;
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return instance;
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}
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}
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