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c0f8da0c6e
This was a surprisingly involved change. Some of the difficulties included java.util.Optional purposely not being Serializable (so I had to move a few Optionals in mapreduce classes to @Nullable) and having to add the Truth Java8 extension library for assertion support. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=171863777
62 lines
2.2 KiB
Java
62 lines
2.2 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.mapreduce.inputs;
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import com.google.appengine.tools.mapreduce.Input;
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import com.google.appengine.tools.mapreduce.InputReader;
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import com.google.common.collect.ImmutableList;
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import com.googlecode.objectify.Key;
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import google.registry.model.ofy.CommitLogBucket;
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import google.registry.model.ofy.CommitLogManifest;
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import java.util.List;
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import javax.annotation.Nullable;
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import org.joda.time.DateTime;
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/** Base class for {@link Input} classes that map over {@link CommitLogManifest}. */
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public class CommitLogManifestInput extends Input<Key<CommitLogManifest>> {
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private static final long serialVersionUID = 6744322799131602384L;
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/**
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* Cutoff date for result.
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*
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* <p>If present, all resulting CommitLogManifest will be dated prior to this date. This can't be
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* of type {@code Optional<DateTime>} because Optional purposely isn't Serializable.
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*/
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@Nullable
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private final DateTime olderThan;
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public CommitLogManifestInput() {
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this.olderThan = null;
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}
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public CommitLogManifestInput(@Nullable DateTime olderThan) {
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this.olderThan = olderThan;
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}
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@Override
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public List<InputReader<Key<CommitLogManifest>>> createReaders() {
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ImmutableList.Builder<InputReader<Key<CommitLogManifest>>> readers =
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new ImmutableList.Builder<>();
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for (Key<CommitLogBucket> bucketKey : CommitLogBucket.getAllBucketKeys()) {
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readers.add(bucketToReader(bucketKey));
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}
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return readers.build();
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}
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private InputReader<Key<CommitLogManifest>> bucketToReader(Key<CommitLogBucket> bucketKey) {
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return new CommitLogManifestReader(bucketKey, olderThan);
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}
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}
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