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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
61 lines
2.2 KiB
Java
61 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.cron;
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import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
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import static java.util.concurrent.TimeUnit.SECONDS;
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import com.google.appengine.api.taskqueue.Queue;
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import com.google.appengine.api.taskqueue.TaskOptions;
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import google.registry.model.ofy.CommitLogBucket;
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import google.registry.request.Action;
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import google.registry.request.Parameter;
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import google.registry.request.auth.Auth;
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import google.registry.util.TaskEnqueuer;
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import java.util.Optional;
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import java.util.Random;
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import javax.inject.Inject;
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/** Action for fanning out cron tasks for each commit log bucket. */
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@Action(
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path = "/_dr/cron/commitLogFanout",
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automaticallyPrintOk = true,
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auth = Auth.AUTH_INTERNAL_ONLY
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)
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public final class CommitLogFanoutAction implements Runnable {
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public static final String BUCKET_PARAM = "bucket";
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private static final Random random = new Random();
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@Inject TaskEnqueuer taskEnqueuer;
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@Inject @Parameter("endpoint") String endpoint;
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@Inject @Parameter("queue") String queue;
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@Inject @Parameter("jitterSeconds") Optional<Integer> jitterSeconds;
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@Inject CommitLogFanoutAction() {}
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@Override
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public void run() {
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Queue taskQueue = getQueue(queue);
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for (int bucketId : CommitLogBucket.getBucketIds()) {
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TaskOptions taskOptions = TaskOptions.Builder.withUrl(endpoint)
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.param(BUCKET_PARAM, Integer.toString(bucketId))
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.countdownMillis(jitterSeconds.isPresent()
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? random.nextInt((int) SECONDS.toMillis(jitterSeconds.get()))
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: 0);
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taskEnqueuer.enqueue(taskQueue, taskOptions);
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}
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}
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}
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