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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
63 lines
2 KiB
Java
63 lines
2 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.ofy;
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import static com.googlecode.objectify.ObjectifyService.ofy;
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import com.google.appengine.api.datastore.Entity;
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import com.google.common.collect.ImmutableList;
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import com.googlecode.objectify.Key;
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import com.googlecode.objectify.Result;
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import com.googlecode.objectify.cmd.Saver;
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import java.util.Arrays;
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import java.util.Map;
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/**
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* A Saver that forwards to {@code ofy().save()}, but can be augmented via subclassing to
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* do custom processing on the entities to be saved prior to their saving.
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*/
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abstract class AugmentedSaver implements Saver {
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private final Saver delegate = ofy().save();
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/** Extension method to allow this Saver to do extra work prior to the actual save. */
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protected abstract void handleSave(Iterable<?> entities);
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@Override
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public <E> Result<Map<Key<E>, E>> entities(Iterable<E> entities) {
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handleSave(entities);
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return delegate.entities(entities);
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}
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@Override
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@SafeVarargs
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public final <E> Result<Map<Key<E>, E>> entities(E... entities) {
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handleSave(Arrays.asList(entities));
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return delegate.entities(entities);
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}
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@Override
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public <E> Result<Key<E>> entity(E entity) {
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handleSave(ImmutableList.of(entity));
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return delegate.entity(entity);
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}
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@Override
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public Entity toEntity(Object pojo) {
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// No call to the extension method, since toEntity() doesn't do any actual saving.
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return delegate.toEntity(pojo);
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}
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}
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