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ComparableEntity allows us to compare Entity objects by both key and properties, regardless of the order of those properties in the protobufs. This is necessary for comparing database backups, where we evaluate the differences in the set of entities in one backup with those of another. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=167288489
48 lines
1.5 KiB
Java
48 lines
1.5 KiB
Java
// Copyright 2017 The Nomulus 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.tools;
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import com.google.appengine.api.datastore.Entity;
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import com.google.common.base.Objects;
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/** Wraps {@link Entity} to do hashCode/equals based on both the entity's key and its properties. */
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final class ComparableEntity {
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private final Entity entity;
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ComparableEntity(Entity entity) {
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this.entity = entity;
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}
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@Override
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public boolean equals(Object that) {
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if (that instanceof ComparableEntity) {
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ComparableEntity thatEntity = (ComparableEntity) that;
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return entity.equals(thatEntity.entity)
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&& entity.getProperties().equals(thatEntity.entity.getProperties());
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}
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return false;
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}
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@Override
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public int hashCode() {
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return Objects.hashCode(entity.getKey(), entity.getProperties());
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}
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@Override
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public String toString() {
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return "ComparableEntity(" + entity + ")";
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}
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}
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