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This led to confusion for an open source contributor about how to format code. We don't want to be like, "do as I say, not as I do." https://google.github.io/styleguide/javaguide.html#s7.1.2-javadoc-paragraphs ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=122589700
72 lines
2.4 KiB
Java
72 lines
2.4 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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import google.registry.model.contact.ContactResource;
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import google.registry.model.host.HostResource;
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import javax.xml.bind.annotation.adapters.XmlAdapter;
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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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* <p>This type always marshals as the "foreign key". We no longer use this type for unmarshalling.
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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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/** An adapter that marshals the linked {@link Ref} as its loaded foreign key. */
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public static class Adapter<T extends EppResource>
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extends XmlAdapter<String, ReferenceUnion<T>> {
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@Override
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public ReferenceUnion<T> unmarshal(String foreignKey) throws Exception {
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throw new UnsupportedOperationException();
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}
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@Override
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public String marshal(ReferenceUnion<T> reference) throws Exception {
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return reference.getLinked().get().getForeignKey();
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}
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}
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/** An adapter for references to contacts. */
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static class ContactReferenceUnionAdapter extends Adapter<ContactResource>{}
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/** An adapter for references to hosts. */
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static class HostReferenceUnionAdapter extends Adapter<HostResource>{}
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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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